Relay — agent service discovery

by site.chatgpt.orellise.relay-agent-services

Search agent services

search_services

Read-onlyIdempotent

Find services using deterministic keywords, bounded language aliases and category/protocol/pricing filters. Prefer requestJson (at most 8192 UTF-16 code units): serialize the complete request as JSON in this single string to preserve every field through connectors. query and queryEnglish each allow at most 200 UTF-16 code units after trimming; never truncate or drop constraints to fit. Do not combine requestJson with top-level fields. Unknown inner fields are rejected. Legacy top-level calls remain available, but connectors may discard unknown fields before ToolSkipper sees them. Compare search.originalQuery, effectiveQuery and appliedFilters with your intended conditions; inspect search.reasonCodes, warnings and suggestions, including when no matches are returned. For a conditional request, preserve the complete wording in originalRequest, use focused service words in query, and keep requirements plus executionPolicy separately. All policy fields must be false; discovery never executes. This caller-supplied decomposition and requirements remain unassessed. Inspect search.discovery; metadata candidates do not establish full task suitability. Use recommend_services for structured account/protocol/payment filtering; a prohibition on paying now does not exclude paid services from discovery. queryEnglish requires the original nonempty query. In separated discovery translate the focused query faithfully while keeping every original condition in originalRequest, requirements and structured filters; otherwise translation must retain every query constraint. Defaults to five compact results with metadata match reasons, not quality scores. Use get_connection_spec for sourced setup options and get_task_options for the separate keyless task pilot. This search makes no external translation, provider execution or payment calls.

Input Schema

Name	Required	Description	Default
`view`	No	Compact results include source dates and exact metadata match reasons. Use full for all catalogue fields.	compact
`limit`	No	Maximum number of search results to return; defaults to 5.
`query`	No	Service-search terms, at most 200 UTF-16 code units after trimming. With separated discovery, preserve the complete user request in originalRequest and keep service requirements explicit. Never silently drop constraints. Required and nonempty with queryEnglish or originalRequest.
`offset`	No	Skip this many matched results; defaults to 0. Page with limit and offset while preserving the same query and filters.
`pricing`	No	Filter by recorded pricing model; this does not authorize payment or establish task cost.
`category`	No	Filter by an exact catalogue category identifier.
`protocol`	No	Filter by a declared service interface; a match is not proof of task execution support.
`requestJson`	No	Preferred: serialize the COMPLETE search request into this one JSON string (at most 8192 UTF-16 code units); never mix with top-level arguments. Fields: query, queryEnglish, category, protocol, pricing, limit, offset, view, originalRequest, requirements, executionPolicy. query/queryEnglish each max200 after trimming. For 'find a service, but do not pay/connect/run', preserve the complete wording in originalRequest, use focused service terms in query, retain service conditions in requirements/filters, and use executionPolicy with providerCalls:false,accountConnections:false,payments:false. Requirements/decomposition stay unassessed. Do not equate payment prohibition now with free-service-only preference. No unknown/duplicate keys or truncation.
`queryEnglish`	No	Optional English wording for query, 1–200 UTF-16 code units after trimming. Requires original nonempty query. With originalRequest, translate the focused query faithfully and preserve every original condition in full context and filters; otherwise retain all query constraints. Translation is caller-supplied and unverified.
`requirements`	No	Up to eight preserved service requirements, each 1–200 Unicode characters. Requires originalRequest; requirements remain unassessed and cannot be claimed satisfied.
`executionPolicy`	No	Requires originalRequest. All three fields must be false: providerCalls, accountConnections, payments. This restricts current actions, not which paid or account-based services may be discovered. Use recommend_services constraints.payment:no_payment to filter out paid options.
`originalRequest`	No	For separated discovery, preserve the COMPLETE request exactly, including prohibitions and service conditions, in 1–2000 Unicode characters. Query holds service-search terms. Decomposition is not verified by ToolSkipper.

Output Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedNov 1, 2026

changedOutput schema / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
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-                      "wallet-payment",
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-                      "unknown"
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-                      "documents"
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-                            "anyOf": [
-                              {
-                                "format": "date",
-                                "type": "string"
-                              },
-                              {
-                                "format": "date-time",
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-                            ]
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-                          {
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-                          "freemium",
-                          "usage-based",
-                          "subscription",
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-                        "MCP",
-                        "REST",
-                        "x402"
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-                        "format": "date",
-                        "type": "string"
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-                      {
-                        "format": "date-time",
-                        "type": "string"
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-                    "items": {
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-                    "type": "array"
-                  },
-                  "verification": {
-                    "enum": [
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-                      "connection-tested"
-                    ],
-                    "type": "string"
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-                    "type": "string"
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-                  "registryName",
-                  "sourceUrl",
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-                  "sourceCheckedAt",
-                  "verification",
-                  "notes",
-                  "featured",
-                  "color"
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-            }
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-                      "oauth",
-                      "wallet-payment",
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-                    "type": "string"
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-                  "matchReasons": {
-                    "items": {
-                      "additionalProperties": false,
-                      "properties": {
-                        "field": {
-                          "enum": [
-                            "name_provider",
-                            "capabilities",
-                            "description",
-                            "category",
-                            "protocol",
-                            "pricing",
-                            "catalogue"
-                          ],
-                          "type": "string"
-                        },
-                        "kind": {
-                          "enum": [
-                            "keyword",
-                            "filter",
-                            "catalogue"
-                          ],
-                          "type": "string"
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-                        "matchedTerm": {
-                          "type": [
-                            "string",
-                            "null"
-                          ]
-                        },
-                        "term": {
-                          "type": [
-                            "string",
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-                          ]
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-                        "anyOf": [
-                          {
-                            "anyOf": [
-                              {
-                                "format": "date",
-                                "type": "string"
-                              },
-                              {
-                                "format": "date-time",
-                                "type": "string"
-                              }
-                            ]
-                          },
-                          {
-                            "type": "null"
-                          }
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-                      },
-                      "model": {
-                        "enum": [
-                          "free",
-                          "freemium",
-                          "usage-based",
-                          "subscription",
-                          "unknown"
-                        ],
-                        "type": "string"
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-                    "required": [
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-                      "checkedAt"
-                    ],
-                    "type": "object"
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-                      "enum": [
-                        "MCP",
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-                      "type": "string"
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-                    "type": "array"
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-                  "provider": {
-                    "type": "string"
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-                  "slug": {
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-                  "source": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "checkedAt": {
-                        "anyOf": [
-                          {
-                            "format": "date",
-                            "type": "string"
-                          },
-                          {
-                            "format": "date-time",
-                            "type": "string"
-                          }
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-                      "registryLifecycle": {
-                        "anyOf": [
-                          {
-                            "additionalProperties": false,
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-                                "additionalProperties": false,
-                                "properties": {
-                                  "checkedAt": {
-                                    "anyOf": [
-                                      {
-                                        "format": "date",
-                                        "type": "string"
-                                      },
-                                      {
-                                        "format": "date-time",
-                                        "type": "string"
-                                      }
-                                    ]
-                                  },
-                                  "url": {
-                                    "type": "string"
-                                  }
-                                },
-                                "required": [
-                                  "url",
-                                  "checkedAt"
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-                                "type": "object"
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-                                "enum": [
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-                                "type": "string"
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-                            "type": "object"
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-                        "enum": [
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-                "type": "object"
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-                "maxLength": 2000,
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-                "type": "array"
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-                "const": "metadata_candidates",
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-              "executionPolicy",
-              "decomposition",
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-            "description": "Empty when matches exist. Otherwise identifies the first blocking cause: an overlong query, no searchable terms, unsupported exclusions/alternatives/numerical comparisons, or no match in the current published catalogue. It does not establish that no suitable provider exists elsewhere. REST/MCP reject overlong requests before returning search results.",
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-                "QUERY_TOO_LONG",
-                "NO_SEARCHABLE_TERMS",
-                "UNSUPPORTED_CONDITIONS",
-                "NO_CATALOGUE_MATCH"
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-            "type": "array"
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-          "warnings",
-          "suggestions"
-        ],
-        "type": "object"
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-      "services": {
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-                    "additionalProperties": false,
-                    "properties": {
-                      "field": {
-                        "enum": [
-                          "name_provider",
-                          "capabilities",
-                          "description",
-                          "category",
-                          "protocol",
-                          "pricing",
-                          "catalogue"
-                        ],
-                        "type": "string"
-                      },
-                      "kind": {
-                        "enum": [
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-                          "filter",
-                          "catalogue"
-                        ],
-                        "type": "string"
-                      },
-                      "matchedTerm": {
-                        "type": [
-                          "string",
-                          "null"
-                        ]
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-                      "term": {
-                        "type": [
-                          "string",
-                          "null"
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-                      }
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-                    "required": [
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-                      "matchedTerm"
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-                    "type": "object"
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-                  "minItems": 1,
-                  "type": "array"
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-                "name": {
-                  "type": "string"
-                },
-                "pricing": {
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-                  "properties": {
-                    "checkedAt": {
-                      "anyOf": [
-                        {
-                          "anyOf": [
-                            {
-                              "format": "date",
-                              "type": "string"
-                            },
-                            {
-                              "format": "date-time",
-                              "type": "string"
-                            }
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-                        },
-                        {
-                          "type": "null"
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-                      ]
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-                    "model": {
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-                        "free",
-                        "freemium",
-                        "usage-based",
-                        "subscription",
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-                      ],
-                      "type": "string"
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-                  "type": "object"
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-                    "enum": [
-                      "MCP",
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-                      "x402"
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-                    "type": "string"
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-                  "type": "array"
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-                "provider": {
-                  "type": "string"
-                },
-                "slug": {
-                  "type": "string"
-                },
-                "source": {
-                  "additionalProperties": false,
-                  "properties": {
-                    "checkedAt": {
-                      "anyOf": [
-                        {
-                          "format": "date",
-                          "type": "string"
-                        },
-                        {
-                          "format": "date-time",
-                          "type": "string"
-                        }
-                      ]
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-                    "registryLifecycle": {
-                      "anyOf": [
-                        {
-                          "additionalProperties": false,
-                          "properties": {
-                            "evidence": {
-                              "additionalProperties": false,
-                              "properties": {
-                                "checkedAt": {
-                                  "anyOf": [
-                                    {
-                                      "format": "date",
-                                      "type": "string"
-                                    },
-                                    {
-                                      "format": "date-time",
-                                      "type": "string"
-                                    }
-                                  ]
-                                },
-                                "url": {
-                                  "type": "string"
-                                }
-                              },
-                              "required": [
-                                "url",
-                                "checkedAt"
-                              ],
-                              "type": "object"
-                            },
-                            "status": {
-                              "enum": [
-                                "deprecated",
-                                "endpoint_not_declared"
-                              ],
-                              "type": "string"
-                            }
-                          },
-                          "required": [
-                            "status",
-                            "evidence"
-                          ],
-                          "type": "object"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    },
-                    "type": {
-                      "enum": [
-                        "registry",
-                        "provider"
-                      ],
-                      "type": "string"
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-                    "url": {
-                      "type": "string"
-                    },
-                    "verification": {
-                      "enum": [
-                        "listed",
-                        "documented",
-                        "connection-tested"
-                      ],
-                      "type": "string"
-                    }
-                  },
-                  "required": [
-                    "url",
-                    "type",
-                    "checkedAt",
-                    "verification",
-                    "registryLifecycle"
-                  ],
-                  "type": "object"
-                },
-                "tagline": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "slug",
-                "name",
-                "provider",
-                "tagline",
-                "category",
-                "protocols",
-                "auth",
-                "pricing",
-                "docsUrl",
-                "source",
-                "matchReasons"
-              ],
-              "type": "object"
-            },
-            {
-              "additionalProperties": false,
-              "properties": {
-                "auth": {
-                  "enum": [
-                    "api-key",
-                    "oauth",
-                    "wallet-payment",
-                    "none",
-                    "unknown"
-                  ],
-                  "type": "string"
-                },
-                "capabilities": {
-                  "items": {
-                    "type": "string"
-                  },
-                  "type": "array"
-                },
-                "category": {
-                  "enum": [
-                    "search",
-                    "extraction",
-                    "data",
-                    "browser",
-                    "documents"
-                  ],
-                  "type": "string"
-                },
-                "color": {
-                  "type": "string"
-                },
-                "description": {
-                  "type": "string"
-                },
-                "docsUrl": {
-                  "type": "string"
-                },
-                "endpoint": {
-                  "type": [
-                    "string",
-                    "null"
-                  ]
-                },
-                "featured": {
-                  "type": "boolean"
-                },
-                "id": {
-                  "type": "string"
-                },
-                "name": {
-                  "type": "string"
-                },
-                "notes": {
-                  "type": "string"
-                },
-                "pricing": {
-                  "additionalProperties": false,
-                  "properties": {
-                    "checkedAt": {
-                      "anyOf": [
-                        {
-                          "anyOf": [
-                            {
-                              "format": "date",
-                              "type": "string"
-                            },
-                            {
-                              "format": "date-time",
-                              "type": "string"
-                            }
-                          ]
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    },
-                    "model": {
-                      "enum": [
-                        "free",
-                        "freemium",
-                        "usage-based",
-                        "subscription",
-                        "unknown"
-                      ],
-                      "type": "string"
-                    },
-                    "summary": {
-                      "type": "string"
-                    },
-                    "url": {
-                      "type": [
-                        "string",
-                        "null"
-                      ]
-                    }
-                  },
-                  "required": [
-                    "model",
-                    "summary",
-                    "url",
-                    "checkedAt"
-                  ],
-                  "type": "object"
-                },
-                "protocols": {
-                  "items": {
-                    "enum": [
-                      "MCP",
-                      "REST",
-                      "x402"
-                    ],
-                    "type": "string"
-                  },
-                  "type": "array"
-                },
-                "provider": {
-                  "type": "string"
-                },
-                "registryName": {
-                  "type": [
-                    "string",
-                    "null"
-                  ]
-                },
-                "slug": {
-                  "type": "string"
-                },
-                "sourceCheckedAt": {
-                  "anyOf": [
-                    {
-                      "format": "date",
-                      "type": "string"
-                    },
-                    {
-                      "format": "date-time",
-                      "type": "string"
-                    }
-                  ]
-                },
-                "sourceType": {
-                  "enum": [
-                    "registry",
-                    "provider"
-                  ],
-                  "type": "string"
-                },
-                "sourceUrl": {
-                  "type": "string"
-                },
-                "tagline": {
-                  "type": "string"
-                },
-                "tags": {
-                  "items": {
-                    "type": "string"
-                  },
-                  "type": "array"
-                },
-                "verification": {
-                  "enum": [
-                    "listed",
-                    "documented",
-                    "connection-tested"
-                  ],
-                  "type": "string"
-                },
-                "website": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "id",
-                "slug",
-                "name",
-                "provider",
-                "tagline",
-                "description",
-                "website",
-                "docsUrl",
-                "category",
-                "tags",
-                "capabilities",
-                "protocols",
-                "auth",
-                "pricing",
-                "endpoint",
-                "registryName",
-                "sourceUrl",
-                "sourceType",
-                "sourceCheckedAt",
-                "verification",
-                "notes",
-                "featured",
-                "color"
-              ],
-              "type": "object"
-            }
-          ]
-        },
-        "maxItems": 100,
-        "type": "array"
-      },
-      "total": {
-        "minimum": 0,
-        "type": "integer"
-      },
-      "view": {
-        "enum": [
-          "compact",
-          "full"
-        ],
-        "type": "string"
-      }
-    },
-    "required": [
-      "services",
-      "total",
-      "returned",
-      "generatedAt",
-      "view",
-      "search"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "error": {
-        "additionalProperties": false,
-        "properties": {
-          "code": {
-            "minLength": 1,
-            "type": "string"
-          },
-          "message": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "code",
-          "message"
-        ],
-        "type": "object"
-      },
-      "error_code": {
-        "minLength": 1,
-        "type": "string"
-      }
-    },
-    "required": [
-      "error_code",
-      "error"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "allOf": [
+      {
+        "else": {
+          "properties": {
+            "services": {
+              "items": {
+                "additionalProperties": false,
+                "properties": {
+                  "auth": {
+                    "enum": [
+                      "api-key",
+                      "oauth",
+                      "wallet-payment",
+                      "none",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  "capabilities": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "category": {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  "color": {
+                    "type": "string"
+                  },
+                  "description": {
+                    "type": "string"
+                  },
+                  "docsUrl": {
+                    "type": "string"
+                  },
+                  "endpoint": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "featured": {
+                    "type": "boolean"
+                  },
+                  "id": {
+                    "type": "string"
+                  },
+                  "name": {
+                    "type": "string"
+                  },
+                  "notes": {
+                    "type": "string"
+                  },
+                  "pricing": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "anyOf": [
+                              {
+                                "format": "date",
+                                "type": "string"
+                              },
+                              {
+                                "format": "date-time",
+                                "type": "string"
+                              }
+                            ]
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      },
+                      "summary": {
+                        "type": "string"
+                      },
+                      "url": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "model",
+                      "summary",
+                      "url",
+                      "checkedAt"
+                    ],
+                    "type": "object"
+                  },
+                  "protocols": {
+                    "items": {
+                      "enum": [
+                        "MCP",
+                        "REST",
+                        "x402"
+                      ],
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "provider": {
+                    "type": "string"
+                  },
+                  "registryName": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "slug": {
+                    "type": "string"
+                  },
+                  "sourceCheckedAt": {
+                    "anyOf": [
+                      {
+                        "format": "date",
+                        "type": "string"
+                      },
+                      {
+                        "format": "date-time",
+                        "type": "string"
+                      }
+                    ]
+                  },
+                  "sourceType": {
+                    "enum": [
+                      "registry",
+                      "provider"
+                    ],
+                    "type": "string"
+                  },
+                  "sourceUrl": {
+                    "type": "string"
+                  },
+                  "tagline": {
+                    "type": "string"
+                  },
+                  "tags": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "verification": {
+                    "enum": [
+                      "listed",
+                      "documented",
+                      "connection-tested"
+                    ],
+                    "type": "string"
+                  },
+                  "website": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "id",
+                  "slug",
+                  "name",
+                  "provider",
+                  "tagline",
+                  "description",
+                  "website",
+                  "docsUrl",
+                  "category",
+                  "tags",
+                  "capabilities",
+                  "protocols",
+                  "auth",
+                  "pricing",
+                  "endpoint",
+                  "registryName",
+                  "sourceUrl",
+                  "sourceType",
+                  "sourceCheckedAt",
+                  "verification",
+                  "notes",
+                  "featured",
+                  "color"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            }
+          }
+        },
+        "if": {
+          "properties": {
+            "view": {
+              "const": "compact"
+            }
+          }
+        },
+        "then": {
+          "properties": {
+            "services": {
+              "items": {
+                "additionalProperties": false,
+                "properties": {
+                  "auth": {
+                    "enum": [
+                      "api-key",
+                      "oauth",
+                      "wallet-payment",
+                      "none",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  "category": {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  "docsUrl": {
+                    "type": "string"
+                  },
+                  "matchReasons": {
+                    "items": {
+                      "additionalProperties": false,
+                      "properties": {
+                        "field": {
+                          "enum": [
+                            "name_provider",
+                            "capabilities",
+                            "description",
+                            "category",
+                            "protocol",
+                            "pricing",
+                            "catalogue"
+                          ],
+                          "type": "string"
+                        },
+                        "kind": {
+                          "enum": [
+                            "keyword",
+                            "filter",
+                            "catalogue"
+                          ],
+                          "type": "string"
+                        },
+                        "matchedTerm": {
+                          "type": [
+                            "string",
+                            "null"
+                          ]
+                        },
+                        "term": {
+                          "type": [
+                            "string",
+                            "null"
+                          ]
+                        }
+                      },
+                      "required": [
+                        "kind",
+                        "field",
+                        "term",
+                        "matchedTerm"
+                      ],
+                      "type": "object"
+                    },
+                    "minItems": 1,
+                    "type": "array"
+                  },
+                  "name": {
+                    "type": "string"
+                  },
+                  "pricing": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "anyOf": [
+                              {
+                                "format": "date",
+                                "type": "string"
+                              },
+                              {
+                                "format": "date-time",
+                                "type": "string"
+                              }
+                            ]
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "model",
+                      "checkedAt"
+                    ],
+                    "type": "object"
+                  },
+                  "protocols": {
+                    "items": {
+                      "enum": [
+                        "MCP",
+                        "REST",
+                        "x402"
+                      ],
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "provider": {
+                    "type": "string"
+                  },
+                  "slug": {
+                    "type": "string"
+                  },
+                  "source": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "format": "date",
+                            "type": "string"
+                          },
+                          {
+                            "format": "date-time",
+                            "type": "string"
+                          }
+                        ]
+                      },
+                      "registryLifecycle": {
+                        "anyOf": [
+                          {
+                            "additionalProperties": false,
+                            "properties": {
+                              "evidence": {
+                                "additionalProperties": false,
+                                "properties": {
+                                  "checkedAt": {
+                                    "anyOf": [
+                                      {
+                                        "format": "date",
+                                        "type": "string"
+                                      },
+                                      {
+                                        "format": "date-time",
+                                        "type": "string"
+                                      }
+                                    ]
+                                  },
+                                  "url": {
+                                    "type": "string"
+                                  }
+                                },
+                                "required": [
+                                  "url",
+                                  "checkedAt"
+                                ],
+                                "type": "object"
+                              },
+                              "status": {
+                                "enum": [
+                                  "deprecated",
+                                  "endpoint_not_declared"
+                                ],
+                                "type": "string"
+                              }
+                            },
+                            "required": [
+                              "status",
+                              "evidence"
+                            ],
+                            "type": "object"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "type": {
+                        "enum": [
+                          "registry",
+                          "provider"
+                        ],
+                        "type": "string"
+                      },
+                      "url": {
+                        "type": "string"
+                      },
+                      "verification": {
+                        "enum": [
+                          "listed",
+                          "documented",
+                          "connection-tested"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "type",
+                      "checkedAt",
+                      "verification",
+                      "registryLifecycle"
+                    ],
+                    "type": "object"
+                  },
+                  "tagline": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "slug",
+                  "name",
+                  "provider",
+                  "tagline",
+                  "category",
+                  "protocols",
+                  "auth",
+                  "pricing",
+                  "docsUrl",
+                  "source",
+                  "matchReasons"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            }
+          }
+        }
+      }
+    ],
+    "properties": {
+      "generatedAt": {
+        "format": "date-time",
+        "type": "string"
+      },
+      "returned": {
+        "maximum": 100,
+        "minimum": 0,
+        "type": "integer"
+      },
+      "search": {
+        "additionalProperties": false,
+        "properties": {
+          "appliedFilters": {
+            "additionalProperties": false,
+            "properties": {
+              "category": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "pricing": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "free",
+                      "freemium",
+                      "usage-based",
+                      "subscription",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "protocol": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              }
+            },
+            "required": [
+              "category",
+              "protocol",
+              "pricing"
+            ],
+            "type": "object"
+          },
+          "discovery": {
+            "additionalProperties": false,
+            "properties": {
+              "assessment": {
+                "const": "unassessed",
+                "type": "string"
+              },
+              "decomposition": {
+                "enum": [
+                  "caller_supplied",
+                  "not_supplied"
+                ],
+                "type": "string"
+              },
+              "executionPolicy": {
+                "additionalProperties": false,
+                "properties": {
+                  "accountConnections": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "payments": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "providerCalls": {
+                    "const": false,
+                    "type": "boolean"
+                  }
+                },
+                "required": [
+                  "providerCalls",
+                  "accountConnections",
+                  "payments"
+                ],
+                "type": "object"
+              },
+              "originalRequest": {
+                "maxLength": 2000,
+                "minLength": 1,
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "requirements": {
+                "items": {
+                  "maxLength": 200,
+                  "minLength": 1,
+                  "type": "string"
+                },
+                "maxItems": 8,
+                "type": "array"
+              },
+              "resultsAre": {
+                "const": "metadata_candidates",
+                "type": "string"
+              }
+            },
+            "required": [
+              "originalRequest",
+              "requirements",
+              "executionPolicy",
+              "decomposition",
+              "assessment",
+              "resultsAre"
+            ],
+            "type": "object"
+          },
+          "effectiveQuery": {
+            "type": "string"
+          },
+          "mode": {
+            "enum": [
+              "browse",
+              "keywords",
+              "agent-translation"
+            ],
+            "type": "string"
+          },
+          "originalQuery": {
+            "type": "string"
+          },
+          "reasonCodes": {
+            "description": "Empty when matches exist. Otherwise identifies the first blocking cause: an overlong query, no searchable terms, unsupported exclusions/alternatives/numerical comparisons, or no match in the current published catalogue. It does not establish that no suitable provider exists elsewhere. REST/MCP reject overlong requests before returning search results.",
+            "items": {
+              "enum": [
+                "QUERY_TOO_LONG",
+                "NO_SEARCHABLE_TERMS",
+                "UNSUPPORTED_CONDITIONS",
+                "NO_CATALOGUE_MATCH"
+              ],
+              "type": "string"
+            },
+            "maxItems": 1,
+            "type": "array"
+          },
+          "suggestions": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "terms": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "warnings": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "discovery",
+          "originalQuery",
+          "effectiveQuery",
+          "mode",
+          "reasonCodes",
+          "terms",
+          "appliedFilters",
+          "warnings",
+          "suggestions"
+        ],
+        "type": "object"
+      },
+      "services": {
+        "items": {
+          "oneOf": [
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "matchReasons": {
+                  "items": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "field": {
+                        "enum": [
+                          "name_provider",
+                          "capabilities",
+                          "description",
+                          "category",
+                          "protocol",
+                          "pricing",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "kind": {
+                        "enum": [
+                          "keyword",
+                          "filter",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "matchedTerm": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      },
+                      "term": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "kind",
+                      "field",
+                      "term",
+                      "matchedTerm"
+                    ],
+                    "type": "object"
+                  },
+                  "minItems": 1,
+                  "type": "array"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "source": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "format": "date",
+                          "type": "string"
+                        },
+                        {
+                          "format": "date-time",
+                          "type": "string"
+                        }
+                      ]
+                    },
+                    "registryLifecycle": {
+                      "anyOf": [
+                        {
+                          "additionalProperties": false,
+                          "properties": {
+                            "evidence": {
+                              "additionalProperties": false,
+                              "properties": {
+                                "checkedAt": {
+                                  "anyOf": [
+                                    {
+                                      "format": "date",
+                                      "type": "string"
+                                    },
+                                    {
+                                      "format": "date-time",
+                                      "type": "string"
+                                    }
+                                  ]
+                                },
+                                "url": {
+                                  "type": "string"
+                                }
+                              },
+                              "required": [
+                                "url",
+                                "checkedAt"
+                              ],
+                              "type": "object"
+                            },
+                            "status": {
+                              "enum": [
+                                "deprecated",
+                                "endpoint_not_declared"
+                              ],
+                              "type": "string"
+                            }
+                          },
+                          "required": [
+                            "status",
+                            "evidence"
+                          ],
+                          "type": "object"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "type": {
+                      "enum": [
+                        "registry",
+                        "provider"
+                      ],
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": "string"
+                    },
+                    "verification": {
+                      "enum": [
+                        "listed",
+                        "documented",
+                        "connection-tested"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "url",
+                    "type",
+                    "checkedAt",
+                    "verification",
+                    "registryLifecycle"
+                  ],
+                  "type": "object"
+                },
+                "tagline": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "category",
+                "protocols",
+                "auth",
+                "pricing",
+                "docsUrl",
+                "source",
+                "matchReasons"
+              ],
+              "type": "object"
+            },
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "capabilities": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "color": {
+                  "type": "string"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "endpoint": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "featured": {
+                  "type": "boolean"
+                },
+                "id": {
+                  "type": "string"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "notes": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    },
+                    "summary": {
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "summary",
+                    "url",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "registryName": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "sourceCheckedAt": {
+                  "anyOf": [
+                    {
+                      "format": "date",
+                      "type": "string"
+                    },
+                    {
+                      "format": "date-time",
+                      "type": "string"
+                    }
+                  ]
+                },
+                "sourceType": {
+                  "enum": [
+                    "registry",
+                    "provider"
+                  ],
+                  "type": "string"
+                },
+                "sourceUrl": {
+                  "type": "string"
+                },
+                "tagline": {
+                  "type": "string"
+                },
+                "tags": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "verification": {
+                  "enum": [
+                    "listed",
+                    "documented",
+                    "connection-tested"
+                  ],
+                  "type": "string"
+                },
+                "website": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "id",
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "description",
+                "website",
+                "docsUrl",
+                "category",
+                "tags",
+                "capabilities",
+                "protocols",
+                "auth",
+                "pricing",
+                "endpoint",
+                "registryName",
+                "sourceUrl",
+                "sourceType",
+                "sourceCheckedAt",
+                "verification",
+                "notes",
+                "featured",
+                "color"
+              ],
+              "type": "object"
+            }
+          ]
+        },
+        "maxItems": 100,
+        "type": "array"
+      },
+      "total": {
+        "minimum": 0,
+        "type": "integer"
+      },
+      "view": {
+        "enum": [
+          "compact",
+          "full"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "services",
+      "total",
+      "returned",
+      "generatedAt",
+      "view",
+      "search"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "type": "object"
+      },
+      "error_code": {
+        "minLength": 1,
+        "type": "string"
+      },
+      "recovery": {
+        "additionalProperties": false,
+        "properties": {
+          "automaticRetryAllowed": {
+            "const": false
+          },
+          "guidance": {
+            "type": "string"
+          },
+          "requiredArguments": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "tool": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "tool",
+          "requiredArguments",
+          "guidance",
+          "automaticRetryAllowed"
+        ],
+        "type": "object"
+      }
+    },
+    "required": [
+      "error_code",
+      "error"
+    ],
+    "type": "object"
+  }
+]

Changed1 schema field changedOct 25, 2026

changedOutput schema / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "allOf": [
-      {
-        "else": {
-          "properties": {
-            "services": {
-              "items": {
-                "additionalProperties": false,
-                "properties": {
-                  "auth": {
-                    "enum": [
-                      "api-key",
-                      "oauth",
-                      "wallet-payment",
-                      "none",
-                      "unknown"
-                    ],
-                    "type": "string"
-                  },
-                  "capabilities": {
-                    "items": {
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "category": {
-                    "enum": [
-                      "search",
-                      "extraction",
-                      "data",
-                      "browser",
-                      "documents"
-                    ],
-                    "type": "string"
-                  },
-                  "color": {
-                    "type": "string"
-                  },
-                  "description": {
-                    "type": "string"
-                  },
-                  "docsUrl": {
-                    "type": "string"
-                  },
-                  "endpoint": {
-                    "type": [
-                      "string",
-                      "null"
-                    ]
-                  },
-                  "featured": {
-                    "type": "boolean"
-                  },
-                  "id": {
-                    "type": "string"
-                  },
-                  "name": {
-                    "type": "string"
-                  },
-                  "notes": {
-                    "type": "string"
-                  },
-                  "pricing": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "checkedAt": {
-                        "anyOf": [
-                          {
-                            "anyOf": [
-                              {
-                                "format": "date",
-                                "type": "string"
-                              },
-                              {
-                                "format": "date-time",
-                                "type": "string"
-                              }
-                            ]
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "model": {
-                        "enum": [
-                          "free",
-                          "freemium",
-                          "usage-based",
-                          "subscription",
-                          "unknown"
-                        ],
-                        "type": "string"
-                      },
-                      "summary": {
-                        "type": "string"
-                      },
-                      "url": {
-                        "type": [
-                          "string",
-                          "null"
-                        ]
-                      }
-                    },
-                    "required": [
-                      "model",
-                      "summary",
-                      "url",
-                      "checkedAt"
-                    ],
-                    "type": "object"
-                  },
-                  "protocols": {
-                    "items": {
-                      "enum": [
-                        "MCP",
-                        "REST",
-                        "x402"
-                      ],
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "provider": {
-                    "type": "string"
-                  },
-                  "registryName": {
-                    "type": [
-                      "string",
-                      "null"
-                    ]
-                  },
-                  "slug": {
-                    "type": "string"
-                  },
-                  "sourceCheckedAt": {
-                    "anyOf": [
-                      {
-                        "format": "date",
-                        "type": "string"
-                      },
-                      {
-                        "format": "date-time",
-                        "type": "string"
-                      }
-                    ]
-                  },
-                  "sourceType": {
-                    "enum": [
-                      "registry",
-                      "provider"
-                    ],
-                    "type": "string"
-                  },
-                  "sourceUrl": {
-                    "type": "string"
-                  },
-                  "tagline": {
-                    "type": "string"
-                  },
-                  "tags": {
-                    "items": {
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "verification": {
-                    "enum": [
-                      "listed",
-                      "documented",
-                      "connection-tested"
-                    ],
-                    "type": "string"
-                  },
-                  "website": {
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "id",
-                  "slug",
-                  "name",
-                  "provider",
-                  "tagline",
-                  "description",
-                  "website",
-                  "docsUrl",
-                  "category",
-                  "tags",
-                  "capabilities",
-                  "protocols",
-                  "auth",
-                  "pricing",
-                  "endpoint",
-                  "registryName",
-                  "sourceUrl",
-                  "sourceType",
-                  "sourceCheckedAt",
-                  "verification",
-                  "notes",
-                  "featured",
-                  "color"
-                ],
-                "type": "object"
-              },
-              "type": "array"
-            }
-          }
-        },
-        "if": {
-          "properties": {
-            "view": {
-              "const": "compact"
-            }
-          }
-        },
-        "then": {
-          "properties": {
-            "services": {
-              "items": {
-                "additionalProperties": false,
-                "properties": {
-                  "auth": {
-                    "enum": [
-                      "api-key",
-                      "oauth",
-                      "wallet-payment",
-                      "none",
-                      "unknown"
-                    ],
-                    "type": "string"
-                  },
-                  "category": {
-                    "enum": [
-                      "search",
-                      "extraction",
-                      "data",
-                      "browser",
-                      "documents"
-                    ],
-                    "type": "string"
-                  },
-                  "docsUrl": {
-                    "type": "string"
-                  },
-                  "matchReasons": {
-                    "items": {
-                      "additionalProperties": false,
-                      "properties": {
-                        "field": {
-                          "enum": [
-                            "name_provider",
-                            "capabilities",
-                            "description",
-                            "category",
-                            "protocol",
-                            "pricing",
-                            "catalogue"
-                          ],
-                          "type": "string"
-                        },
-                        "kind": {
-                          "enum": [
-                            "keyword",
-                            "filter",
-                            "catalogue"
-                          ],
-                          "type": "string"
-                        },
-                        "matchedTerm": {
-                          "type": [
-                            "string",
-                            "null"
-                          ]
-                        },
-                        "term": {
-                          "type": [
-                            "string",
-                            "null"
-                          ]
-                        }
-                      },
-                      "required": [
-                        "kind",
-                        "field",
-                        "term",
-                        "matchedTerm"
-                      ],
-                      "type": "object"
-                    },
-                    "minItems": 1,
-                    "type": "array"
-                  },
-                  "name": {
-                    "type": "string"
-                  },
-                  "pricing": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "checkedAt": {
-                        "anyOf": [
-                          {
-                            "anyOf": [
-                              {
-                                "format": "date",
-                                "type": "string"
-                              },
-                              {
-                                "format": "date-time",
-                                "type": "string"
-                              }
-                            ]
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "model": {
-                        "enum": [
-                          "free",
-                          "freemium",
-                          "usage-based",
-                          "subscription",
-                          "unknown"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "model",
-                      "checkedAt"
-                    ],
-                    "type": "object"
-                  },
-                  "protocols": {
-                    "items": {
-                      "enum": [
-                        "MCP",
-                        "REST",
-                        "x402"
-                      ],
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "provider": {
-                    "type": "string"
-                  },
-                  "slug": {
-                    "type": "string"
-                  },
-                  "source": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "checkedAt": {
-                        "anyOf": [
-                          {
-                            "format": "date",
-                            "type": "string"
-                          },
-                          {
-                            "format": "date-time",
-                            "type": "string"
-                          }
-                        ]
-                      },
-                      "registryLifecycle": {
-                        "anyOf": [
-                          {
-                            "additionalProperties": false,
-                            "properties": {
-                              "evidence": {
-                                "additionalProperties": false,
-                                "properties": {
-                                  "checkedAt": {
-                                    "anyOf": [
-                                      {
-                                        "format": "date",
-                                        "type": "string"
-                                      },
-                                      {
-                                        "format": "date-time",
-                                        "type": "string"
-                                      }
-                                    ]
-                                  },
-                                  "url": {
-                                    "type": "string"
-                                  }
-                                },
-                                "required": [
-                                  "url",
-                                  "checkedAt"
-                                ],
-                                "type": "object"
-                              },
-                              "status": {
-                                "enum": [
-                                  "deprecated"
-                                ],
-                                "type": "string"
-                              }
-                            },
-                            "required": [
-                              "status",
-                              "evidence"
-                            ],
-                            "type": "object"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "type": {
-                        "enum": [
-                          "registry",
-                          "provider"
-                        ],
-                        "type": "string"
-                      },
-                      "url": {
-                        "type": "string"
-                      },
-                      "verification": {
-                        "enum": [
-                          "listed",
-                          "documented",
-                          "connection-tested"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "url",
-                      "type",
-                      "checkedAt",
-                      "verification",
-                      "registryLifecycle"
-                    ],
-                    "type": "object"
-                  },
-                  "tagline": {
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "slug",
-                  "name",
-                  "provider",
-                  "tagline",
-                  "category",
-                  "protocols",
-                  "auth",
-                  "pricing",
-                  "docsUrl",
-                  "source",
-                  "matchReasons"
-                ],
-                "type": "object"
-              },
-              "type": "array"
-            }
-          }
-        }
-      }
-    ],
-    "properties": {
-      "generatedAt": {
-        "format": "date-time",
-        "type": "string"
-      },
-      "returned": {
-        "maximum": 100,
-        "minimum": 0,
-        "type": "integer"
-      },
-      "search": {
-        "additionalProperties": false,
-        "properties": {
-          "appliedFilters": {
-            "additionalProperties": false,
-            "properties": {
-              "category": {
-                "anyOf": [
-                  {
-                    "enum": [
-                      "search",
-                      "extraction",
-                      "data",
-                      "browser",
-                      "documents"
-                    ],
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "pricing": {
-                "anyOf": [
-                  {
-                    "enum": [
-                      "free",
-                      "freemium",
-                      "usage-based",
-                      "subscription",
-                      "unknown"
-                    ],
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "protocol": {
-                "anyOf": [
-                  {
-                    "enum": [
-                      "MCP",
-                      "REST",
-                      "x402"
-                    ],
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              }
-            },
-            "required": [
-              "category",
-              "protocol",
-              "pricing"
-            ],
-            "type": "object"
-          },
-          "discovery": {
-            "additionalProperties": false,
-            "properties": {
-              "assessment": {
-                "const": "unassessed",
-                "type": "string"
-              },
-              "decomposition": {
-                "enum": [
-                  "caller_supplied",
-                  "not_supplied"
-                ],
-                "type": "string"
-              },
-              "executionPolicy": {
-                "additionalProperties": false,
-                "properties": {
-                  "accountConnections": {
-                    "const": false,
-                    "type": "boolean"
-                  },
-                  "payments": {
-                    "const": false,
-                    "type": "boolean"
-                  },
-                  "providerCalls": {
-                    "const": false,
-                    "type": "boolean"
-                  }
-                },
-                "required": [
-                  "providerCalls",
-                  "accountConnections",
-                  "payments"
-                ],
-                "type": "object"
-              },
-              "originalRequest": {
-                "maxLength": 2000,
-                "minLength": 1,
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "requirements": {
-                "items": {
-                  "maxLength": 200,
-                  "minLength": 1,
-                  "type": "string"
-                },
-                "maxItems": 8,
-                "type": "array"
-              },
-              "resultsAre": {
-                "const": "metadata_candidates",
-                "type": "string"
-              }
-            },
-            "required": [
-              "originalRequest",
-              "requirements",
-              "executionPolicy",
-              "decomposition",
-              "assessment",
-              "resultsAre"
-            ],
-            "type": "object"
-          },
-          "effectiveQuery": {
-            "type": "string"
-          },
-          "mode": {
-            "enum": [
-              "browse",
-              "keywords",
-              "agent-translation"
-            ],
-            "type": "string"
-          },
-          "originalQuery": {
-            "type": "string"
-          },
-          "reasonCodes": {
-            "description": "Empty when matches exist. Otherwise identifies the first blocking cause: an overlong query, no searchable terms, unsupported exclusions/alternatives/numerical comparisons, or no match in the current published catalogue. It does not establish that no suitable provider exists elsewhere. REST/MCP reject overlong requests before returning search results.",
-            "items": {
-              "enum": [
-                "QUERY_TOO_LONG",
-                "NO_SEARCHABLE_TERMS",
-                "UNSUPPORTED_CONDITIONS",
-                "NO_CATALOGUE_MATCH"
-              ],
-              "type": "string"
-            },
-            "maxItems": 1,
-            "type": "array"
-          },
-          "suggestions": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
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-                        "enum": [
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-                          "capabilities",
-                          "description",
-                          "category",
-                          "protocol",
-                          "pricing",
-                          "catalogue"
-                        ],
-                        "type": "string"
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-]New value: +[
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+    "allOf": [
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+                    "properties": {
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+                            "anyOf": [
+                              {
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+                                "type": "string"
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+                              {
+                                "format": "date-time",
+                                "type": "string"
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+                          {
+                            "type": "null"
+                          }
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+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
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+                        "type": [
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+                        "MCP",
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+                  "website": {
+                    "type": "string"
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+                  "name",
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+                  "verification",
+                  "notes",
+                  "featured",
+                  "color"
+                ],
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+              "const": "compact"
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+                      "properties": {
+                        "field": {
+                          "enum": [
+                            "name_provider",
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+                            "category",
+                            "protocol",
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+                            "catalogue"
+                          ],
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+                            "keyword",
+                            "filter",
+                            "catalogue"
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+                        "matchedTerm": {
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+                          "type": [
+                            "string",
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+                    "properties": {
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+                          {
+                            "anyOf": [
+                              {
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+                                "type": "string"
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+                              {
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+                                "type": "string"
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+                            ]
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+                          {
+                            "type": "null"
+                          }
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+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "model",
+                      "checkedAt"
+                    ],
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+                      "enum": [
+                        "MCP",
+                        "REST",
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+                    "properties": {
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+                        "anyOf": [
+                          {
+                            "format": "date",
+                            "type": "string"
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+                            "type": "string"
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+                      "registryLifecycle": {
+                        "anyOf": [
+                          {
+                            "additionalProperties": false,
+                            "properties": {
+                              "evidence": {
+                                "additionalProperties": false,
+                                "properties": {
+                                  "checkedAt": {
+                                    "anyOf": [
+                                      {
+                                        "format": "date",
+                                        "type": "string"
+                                      },
+                                      {
+                                        "format": "date-time",
+                                        "type": "string"
+                                      }
+                                    ]
+                                  },
+                                  "url": {
+                                    "type": "string"
+                                  }
+                                },
+                                "required": [
+                                  "url",
+                                  "checkedAt"
+                                ],
+                                "type": "object"
+                              },
+                              "status": {
+                                "enum": [
+                                  "deprecated",
+                                  "endpoint_not_declared"
+                                ],
+                                "type": "string"
+                              }
+                            },
+                            "required": [
+                              "status",
+                              "evidence"
+                            ],
+                            "type": "object"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "type": {
+                        "enum": [
+                          "registry",
+                          "provider"
+                        ],
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+                      },
+                      "url": {
+                        "type": "string"
+                      },
+                      "verification": {
+                        "enum": [
+                          "listed",
+                          "documented",
+                          "connection-tested"
+                        ],
+                        "type": "string"
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+                    "required": [
+                      "url",
+                      "type",
+                      "checkedAt",
+                      "verification",
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+                    ],
+                    "type": "object"
+                  },
+                  "tagline": {
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+                "required": [
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+                  "provider",
+                  "tagline",
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+                  "protocols",
+                  "auth",
+                  "pricing",
+                  "docsUrl",
+                  "source",
+                  "matchReasons"
+                ],
+                "type": "object"
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+              "type": "array"
+            }
+          }
+        }
+      }
+    ],
+    "properties": {
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+        "format": "date-time",
+        "type": "string"
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+      "returned": {
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+        "minimum": 0,
+        "type": "integer"
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+        "properties": {
+          "appliedFilters": {
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+            "properties": {
+              "category": {
+                "anyOf": [
+                  {
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+                      "extraction",
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+                  {
+                    "type": "null"
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+                      "unknown"
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+              "protocol": {
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+                    "enum": [
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+                      "REST",
+                      "x402"
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+                    "type": "string"
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+                  {
+                    "type": "null"
+                  }
+                ]
+              }
+            },
+            "required": [
+              "category",
+              "protocol",
+              "pricing"
+            ],
+            "type": "object"
+          },
+          "discovery": {
+            "additionalProperties": false,
+            "properties": {
+              "assessment": {
+                "const": "unassessed",
+                "type": "string"
+              },
+              "decomposition": {
+                "enum": [
+                  "caller_supplied",
+                  "not_supplied"
+                ],
+                "type": "string"
+              },
+              "executionPolicy": {
+                "additionalProperties": false,
+                "properties": {
+                  "accountConnections": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "payments": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "providerCalls": {
+                    "const": false,
+                    "type": "boolean"
+                  }
+                },
+                "required": [
+                  "providerCalls",
+                  "accountConnections",
+                  "payments"
+                ],
+                "type": "object"
+              },
+              "originalRequest": {
+                "maxLength": 2000,
+                "minLength": 1,
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "requirements": {
+                "items": {
+                  "maxLength": 200,
+                  "minLength": 1,
+                  "type": "string"
+                },
+                "maxItems": 8,
+                "type": "array"
+              },
+              "resultsAre": {
+                "const": "metadata_candidates",
+                "type": "string"
+              }
+            },
+            "required": [
+              "originalRequest",
+              "requirements",
+              "executionPolicy",
+              "decomposition",
+              "assessment",
+              "resultsAre"
+            ],
+            "type": "object"
+          },
+          "effectiveQuery": {
+            "type": "string"
+          },
+          "mode": {
+            "enum": [
+              "browse",
+              "keywords",
+              "agent-translation"
+            ],
+            "type": "string"
+          },
+          "originalQuery": {
+            "type": "string"
+          },
+          "reasonCodes": {
+            "description": "Empty when matches exist. Otherwise identifies the first blocking cause: an overlong query, no searchable terms, unsupported exclusions/alternatives/numerical comparisons, or no match in the current published catalogue. It does not establish that no suitable provider exists elsewhere. REST/MCP reject overlong requests before returning search results.",
+            "items": {
+              "enum": [
+                "QUERY_TOO_LONG",
+                "NO_SEARCHABLE_TERMS",
+                "UNSUPPORTED_CONDITIONS",
+                "NO_CATALOGUE_MATCH"
+              ],
+              "type": "string"
+            },
+            "maxItems": 1,
+            "type": "array"
+          },
+          "suggestions": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "terms": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "warnings": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "discovery",
+          "originalQuery",
+          "effectiveQuery",
+          "mode",
+          "reasonCodes",
+          "terms",
+          "appliedFilters",
+          "warnings",
+          "suggestions"
+        ],
+        "type": "object"
+      },
+      "services": {
+        "items": {
+          "oneOf": [
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "matchReasons": {
+                  "items": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "field": {
+                        "enum": [
+                          "name_provider",
+                          "capabilities",
+                          "description",
+                          "category",
+                          "protocol",
+                          "pricing",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "kind": {
+                        "enum": [
+                          "keyword",
+                          "filter",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "matchedTerm": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      },
+                      "term": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "kind",
+                      "field",
+                      "term",
+                      "matchedTerm"
+                    ],
+                    "type": "object"
+                  },
+                  "minItems": 1,
+                  "type": "array"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "source": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "format": "date",
+                          "type": "string"
+                        },
+                        {
+                          "format": "date-time",
+                          "type": "string"
+                        }
+                      ]
+                    },
+                    "registryLifecycle": {
+                      "anyOf": [
+                        {
+                          "additionalProperties": false,
+                          "properties": {
+                            "evidence": {
+                              "additionalProperties": false,
+                              "properties": {
+                                "checkedAt": {
+                                  "anyOf": [
+                                    {
+                                      "format": "date",
+                                      "type": "string"
+                                    },
+                                    {
+                                      "format": "date-time",
+                                      "type": "string"
+                                    }
+                                  ]
+                                },
+                                "url": {
+                                  "type": "string"
+                                }
+                              },
+                              "required": [
+                                "url",
+                                "checkedAt"
+                              ],
+                              "type": "object"
+                            },
+                            "status": {
+                              "enum": [
+                                "deprecated",
+                                "endpoint_not_declared"
+                              ],
+                              "type": "string"
+                            }
+                          },
+                          "required": [
+                            "status",
+                            "evidence"
+                          ],
+                          "type": "object"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "type": {
+                      "enum": [
+                        "registry",
+                        "provider"
+                      ],
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": "string"
+                    },
+                    "verification": {
+                      "enum": [
+                        "listed",
+                        "documented",
+                        "connection-tested"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "url",
+                    "type",
+                    "checkedAt",
+                    "verification",
+                    "registryLifecycle"
+                  ],
+                  "type": "object"
+                },
+                "tagline": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "category",
+                "protocols",
+                "auth",
+                "pricing",
+                "docsUrl",
+                "source",
+                "matchReasons"
+              ],
+              "type": "object"
+            },
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "capabilities": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "color": {
+                  "type": "string"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "endpoint": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "featured": {
+                  "type": "boolean"
+                },
+                "id": {
+                  "type": "string"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "notes": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    },
+                    "summary": {
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "summary",
+                    "url",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "registryName": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "sourceCheckedAt": {
+                  "anyOf": [
+                    {
+                      "format": "date",
+                      "type": "string"
+                    },
+                    {
+                      "format": "date-time",
+                      "type": "string"
+                    }
+                  ]
+                },
+                "sourceType": {
+                  "enum": [
+                    "registry",
+                    "provider"
+                  ],
+                  "type": "string"
+                },
+                "sourceUrl": {
+                  "type": "string"
+                },
+                "tagline": {
+                  "type": "string"
+                },
+                "tags": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "verification": {
+                  "enum": [
+                    "listed",
+                    "documented",
+                    "connection-tested"
+                  ],
+                  "type": "string"
+                },
+                "website": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "id",
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "description",
+                "website",
+                "docsUrl",
+                "category",
+                "tags",
+                "capabilities",
+                "protocols",
+                "auth",
+                "pricing",
+                "endpoint",
+                "registryName",
+                "sourceUrl",
+                "sourceType",
+                "sourceCheckedAt",
+                "verification",
+                "notes",
+                "featured",
+                "color"
+              ],
+              "type": "object"
+            }
+          ]
+        },
+        "maxItems": 100,
+        "type": "array"
+      },
+      "total": {
+        "minimum": 0,
+        "type": "integer"
+      },
+      "view": {
+        "enum": [
+          "compact",
+          "full"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "services",
+      "total",
+      "returned",
+      "generatedAt",
+      "view",
+      "search"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "type": "object"
+      },
+      "error_code": {
+        "minLength": 1,
+        "type": "string"
+      }
+    },
+    "required": [
+      "error_code",
+      "error"
+    ],
+    "type": "object"
+  }
+]

Changed1 schema field changedOct 17, 2026

changedOutput schema / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "allOf": [
-      {
-        "else": {
-          "properties": {
-            "services": {
-              "items": {
-                "additionalProperties": false,
-                "properties": {
-                  "auth": {
-                    "enum": [
-                      "api-key",
-                      "oauth",
-                      "wallet-payment",
-                      "none",
-                      "unknown"
-                    ],
-                    "type": "string"
-                  },
-                  "capabilities": {
-                    "items": {
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "category": {
-                    "enum": [
-                      "search",
-                      "extraction",
-                      "data",
-                      "browser",
-                      "documents"
-                    ],
-                    "type": "string"
-                  },
-                  "color": {
-                    "type": "string"
-                  },
-                  "description": {
-                    "type": "string"
-                  },
-                  "docsUrl": {
-                    "type": "string"
-                  },
-                  "endpoint": {
-                    "type": [
-                      "string",
-                      "null"
-                    ]
-                  },
-                  "featured": {
-                    "type": "boolean"
-                  },
-                  "id": {
-                    "type": "string"
-                  },
-                  "name": {
-                    "type": "string"
-                  },
-                  "notes": {
-                    "type": "string"
-                  },
-                  "pricing": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "checkedAt": {
-                        "anyOf": [
-                          {
-                            "anyOf": [
-                              {
-                                "format": "date",
-                                "type": "string"
-                              },
-                              {
-                                "format": "date-time",
-                                "type": "string"
-                              }
-                            ]
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "model": {
-                        "enum": [
-                          "free",
-                          "freemium",
-                          "usage-based",
-                          "subscription",
-                          "unknown"
-                        ],
-                        "type": "string"
-                      },
-                      "summary": {
-                        "type": "string"
-                      },
-                      "url": {
-                        "type": [
-                          "string",
-                          "null"
-                        ]
-                      }
-                    },
-                    "required": [
-                      "model",
-                      "summary",
-                      "url",
-                      "checkedAt"
-                    ],
-                    "type": "object"
-                  },
-                  "protocols": {
-                    "items": {
-                      "enum": [
-                        "MCP",
-                        "REST",
-                        "x402"
-                      ],
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "provider": {
-                    "type": "string"
-                  },
-                  "registryName": {
-                    "type": [
-                      "string",
-                      "null"
-                    ]
-                  },
-                  "slug": {
-                    "type": "string"
-                  },
-                  "sourceCheckedAt": {
-                    "anyOf": [
-                      {
-                        "format": "date",
-                        "type": "string"
-                      },
-                      {
-                        "format": "date-time",
-                        "type": "string"
-                      }
-                    ]
-                  },
-                  "sourceType": {
-                    "enum": [
-                      "registry",
-                      "provider"
-                    ],
-                    "type": "string"
-                  },
-                  "sourceUrl": {
-                    "type": "string"
-                  },
-                  "tagline": {
-                    "type": "string"
-                  },
-                  "tags": {
-                    "items": {
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "verification": {
-                    "enum": [
-                      "listed",
-                      "documented",
-                      "connection-tested"
-                    ],
-                    "type": "string"
-                  },
-                  "website": {
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "id",
-                  "slug",
-                  "name",
-                  "provider",
-                  "tagline",
-                  "description",
-                  "website",
-                  "docsUrl",
-                  "category",
-                  "tags",
-                  "capabilities",
-                  "protocols",
-                  "auth",
-                  "pricing",
-                  "endpoint",
-                  "registryName",
-                  "sourceUrl",
-                  "sourceType",
-                  "sourceCheckedAt",
-                  "verification",
-                  "notes",
-                  "featured",
-                  "color"
-                ],
-                "type": "object"
-              },
-              "type": "array"
-            }
-          }
-        },
-        "if": {
-          "properties": {
-            "view": {
-              "const": "compact"
-            }
-          }
-        },
-        "then": {
-          "properties": {
-            "services": {
-              "items": {
-                "additionalProperties": false,
-                "properties": {
-                  "auth": {
-                    "enum": [
-                      "api-key",
-                      "oauth",
-                      "wallet-payment",
-                      "none",
-                      "unknown"
-                    ],
-                    "type": "string"
-                  },
-                  "category": {
-                    "enum": [
-                      "search",
-                      "extraction",
-                      "data",
-                      "browser",
-                      "documents"
-                    ],
-                    "type": "string"
-                  },
-                  "docsUrl": {
-                    "type": "string"
-                  },
-                  "matchReasons": {
-                    "items": {
-                      "additionalProperties": false,
-                      "properties": {
-                        "field": {
-                          "enum": [
-                            "name_provider",
-                            "capabilities",
-                            "description",
-                            "category",
-                            "protocol",
-                            "pricing",
-                            "catalogue"
-                          ],
-                          "type": "string"
-                        },
-                        "kind": {
-                          "enum": [
-                            "keyword",
-                            "filter",
-                            "catalogue"
-                          ],
-                          "type": "string"
-                        },
-                        "matchedTerm": {
-                          "type": [
-                            "string",
-                            "null"
-                          ]
-                        },
-                        "term": {
-                          "type": [
-                            "string",
-                            "null"
-                          ]
-                        }
-                      },
-                      "required": [
-                        "kind",
-                        "field",
-                        "term",
-                        "matchedTerm"
-                      ],
-                      "type": "object"
-                    },
-                    "minItems": 1,
-                    "type": "array"
-                  },
-                  "name": {
-                    "type": "string"
-                  },
-                  "pricing": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "checkedAt": {
-                        "anyOf": [
-                          {
-                            "anyOf": [
-                              {
-                                "format": "date",
-                                "type": "string"
-                              },
-                              {
-                                "format": "date-time",
-                                "type": "string"
-                              }
-                            ]
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ]
-                      },
-                      "model": {
-                        "enum": [
-                          "free",
-                          "freemium",
-                          "usage-based",
-                          "subscription",
-                          "unknown"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "model",
-                      "checkedAt"
-                    ],
-                    "type": "object"
-                  },
-                  "protocols": {
-                    "items": {
-                      "enum": [
-                        "MCP",
-                        "REST",
-                        "x402"
-                      ],
-                      "type": "string"
-                    },
-                    "type": "array"
-                  },
-                  "provider": {
-                    "type": "string"
-                  },
-                  "slug": {
-                    "type": "string"
-                  },
-                  "source": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "checkedAt": {
-                        "anyOf": [
-                          {
-                            "format": "date",
-                            "type": "string"
-                          },
-                          {
-                            "format": "date-time",
-                            "type": "string"
-                          }
-                        ]
-                      },
-                      "type": {
-                        "enum": [
-                          "registry",
-                          "provider"
-                        ],
-                        "type": "string"
-                      },
-                      "url": {
-                        "type": "string"
-                      },
-                      "verification": {
-                        "enum": [
-                          "listed",
-                          "documented",
-                          "connection-tested"
-                        ],
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "url",
-                      "type",
-                      "checkedAt",
-                      "verification"
-                    ],
-                    "type": "object"
-                  },
-                  "tagline": {
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "slug",
-                  "name",
-                  "provider",
-                  "tagline",
-                  "category",
-                  "protocols",
-                  "auth",
-                  "pricing",
-                  "docsUrl",
-                  "source",
-                  "matchReasons"
-                ],
-                "type": "object"
-              },
-              "type": "array"
-            }
-          }
-        }
-      }
-    ],
-    "properties": {
-      "generatedAt": {
-        "format": "date-time",
-        "type": "string"
-      },
-      "returned": {
-        "maximum": 100,
-        "minimum": 0,
-        "type": "integer"
-      },
-      "search": {
-        "additionalProperties": false,
-        "properties": {
-          "appliedFilters": {
-            "additionalProperties": false,
-            "properties": {
-              "category": {
-                "anyOf": [
-                  {
-                    "enum": [
-                      "search",
-                      "extraction",
-                      "data",
-                      "browser",
-                      "documents"
-                    ],
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "pricing": {
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-                  {
-                    "enum": [
-                      "free",
-                      "freemium",
-                      "usage-based",
-                      "subscription",
-                      "unknown"
-                    ],
-                    "type": "string"
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-                  {
-                    "type": "null"
-                  }
-                ]
-              },
-              "protocol": {
-                "anyOf": [
-                  {
-                    "enum": [
-                      "MCP",
-                      "REST",
-                      "x402"
-                    ],
-                    "type": "string"
-                  },
-                  {
-                    "type": "null"
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-                ]
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-            },
-            "required": [
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-              "protocol",
-              "pricing"
-            ],
-            "type": "object"
-          },
-          "discovery": {
-            "additionalProperties": false,
-            "properties": {
-              "assessment": {
-                "const": "unassessed",
-                "type": "string"
-              },
-              "decomposition": {
-                "enum": [
-                  "caller_supplied",
-                  "not_supplied"
-                ],
-                "type": "string"
-              },
-              "executionPolicy": {
-                "additionalProperties": false,
-                "properties": {
-                  "accountConnections": {
-                    "const": false,
-                    "type": "boolean"
-                  },
-                  "payments": {
-                    "const": false,
-                    "type": "boolean"
-                  },
-                  "providerCalls": {
-                    "const": false,
-                    "type": "boolean"
-                  }
-                },
-                "required": [
-                  "providerCalls",
-                  "accountConnections",
-                  "payments"
-                ],
-                "type": "object"
-              },
-              "originalRequest": {
-                "maxLength": 2000,
-                "minLength": 1,
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "requirements": {
-                "items": {
-                  "maxLength": 200,
-                  "minLength": 1,
-                  "type": "string"
-                },
-                "maxItems": 8,
-                "type": "array"
-              },
-              "resultsAre": {
-                "const": "metadata_candidates",
-                "type": "string"
-              }
-            },
-            "required": [
-              "originalRequest",
-              "requirements",
-              "executionPolicy",
-              "decomposition",
-              "assessment",
-              "resultsAre"
-            ],
-            "type": "object"
-          },
-          "effectiveQuery": {
-            "type": "string"
-          },
-          "mode": {
-            "enum": [
-              "browse",
-              "keywords",
-              "agent-translation"
-            ],
-            "type": "string"
-          },
-          "originalQuery": {
-            "type": "string"
-          },
-          "reasonCodes": {
-            "description": "Empty when matches exist. Otherwise identifies the first blocking cause: an overlong query, no searchable terms, unsupported exclusions/alternatives/numerical comparisons, or no match in the current published catalogue. It does not establish that no suitable provider exists elsewhere. REST/MCP reject overlong requests before returning search results.",
-            "items": {
-              "enum": [
-                "QUERY_TOO_LONG",
-                "NO_SEARCHABLE_TERMS",
-                "UNSUPPORTED_CONDITIONS",
-                "NO_CATALOGUE_MATCH"
-              ],
-              "type": "string"
-            },
-            "maxItems": 1,
-            "type": "array"
-          },
-          "suggestions": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          "terms": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          "warnings": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          }
-        },
-        "required": [
-          "discovery",
-          "originalQuery",
-          "effectiveQuery",
-          "mode",
-          "reasonCodes",
-          "terms",
-          "appliedFilters",
-          "warnings",
-          "suggestions"
-        ],
-        "type": "object"
-      },
-      "services": {
-        "items": {
-          "oneOf": [
-            {
-              "additionalProperties": false,
-              "properties": {
-                "auth": {
-                  "enum": [
-                    "api-key",
-                    "oauth",
-                    "wallet-payment",
-                    "none",
-                    "unknown"
-                  ],
-                  "type": "string"
-                },
-                "category": {
-                  "enum": [
-                    "search",
-                    "extraction",
-                    "data",
-                    "browser",
-                    "documents"
-                  ],
-                  "type": "string"
-                },
-                "docsUrl": {
-                  "type": "string"
-                },
-                "matchReasons": {
-                  "items": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "field": {
-                        "enum": [
-                          "name_provider",
-                          "capabilities",
-                          "description",
-                          "category",
-                          "protocol",
-                          "pricing",
-                          "catalogue"
-                        ],
-                        "type": "string"
-                      },
-                      "kind": {
-                        "enum": [
-                          "keyword",
-                          "filter",
-                          "catalogue"
-                        ],
-                        "type": "string"
-                      },
-                      "matchedTerm": {
-                        "type": [
-                          "string",
-                          "null"
-                        ]
-                      },
-                      "term": {
-                        "type": [
-                          "string",
-                          "null"
-                        ]
-                      }
-                    },
-                    "required": [
-                      "kind",
-                      "field",
-                      "term",
-                      "matchedTerm"
-                    ],
-                    "type": "object"
-                  },
-                  "minItems": 1,
-                  "type": "array"
-                },
-                "name": {
-                  "type": "string"
-                },
-                "pricing": {
-                  "additionalProperties": false,
-                  "properties": {
-                    "checkedAt": {
-                      "anyOf": [
-                        {
-                          "anyOf": [
-                            {
-                              "format": "date",
-                              "type": "string"
-                            },
-                            {
-                              "format": "date-time",
-                              "type": "string"
-                            }
-                          ]
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    },
-                    "model": {
-                      "enum": [
-                        "free",
-                        "freemium",
-                        "usage-based",
-                        "subscription",
-                        "unknown"
-                      ],
-                      "type": "string"
-                    }
-                  },
-                  "required": [
-                    "model",
-                    "checkedAt"
-                  ],
-                  "type": "object"
-                },
-                "protocols": {
-                  "items": {
-                    "enum": [
-                      "MCP",
-                      "REST",
-                      "x402"
-                    ],
-                    "type": "string"
-                  },
-                  "type": "array"
-                },
-                "provider": {
-                  "type": "string"
-                },
-                "slug": {
-                  "type": "string"
-                },
-                "source": {
-                  "additionalProperties": false,
-                  "properties": {
-                    "checkedAt": {
-                      "anyOf": [
-                        {
-                          "format": "date",
-                          "type": "string"
-                        },
-                        {
-                          "format": "date-time",
-                          "type": "string"
-                        }
-                      ]
-                    },
-                    "type": {
-                      "enum": [
-                        "registry",
-                        "provider"
-                      ],
-                      "type": "string"
-                    },
-                    "url": {
-                      "type": "string"
-                    },
-                    "verification": {
-                      "enum": [
-                        "listed",
-                        "documented",
-                        "connection-tested"
-                      ],
-                      "type": "string"
-                    }
-                  },
-                  "required": [
-                    "url",
-                    "type",
-                    "checkedAt",
-                    "verification"
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-                  "type": "object"
-                },
-                "tagline": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "slug",
-                "name",
-                "provider",
-                "tagline",
-                "category",
-                "protocols",
-                "auth",
-                "pricing",
-                "docsUrl",
-                "source",
-                "matchReasons"
-              ],
-              "type": "object"
-            },
-            {
-              "additionalProperties": false,
-              "properties": {
-                "auth": {
-                  "enum": [
-                    "api-key",
-                    "oauth",
-                    "wallet-payment",
-                    "none",
-                    "unknown"
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-                  "type": "string"
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-                "capabilities": {
-                  "items": {
-                    "type": "string"
-                  },
-                  "type": "array"
-                },
-                "category": {
-                  "enum": [
-                    "search",
-                    "extraction",
-                    "data",
-                    "browser",
-                    "documents"
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-                  "type": "string"
-                },
-                "color": {
-                  "type": "string"
-                },
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-                  "type": "string"
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-                "endpoint": {
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-                  "type": "string"
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-                      "anyOf": [
-                        {
-                          "anyOf": [
-                            {
-                              "format": "date",
-                              "type": "string"
-                            },
-                            {
-                              "format": "date-time",
-                              "type": "string"
-                            }
-                          ]
-                        },
-                        {
-                          "type": "null"
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-                    "model": {
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-                        "free",
-                        "freemium",
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-                  "type": "object"
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-                      "MCP",
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-                },
-                "slug": {
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-                "sourceCheckedAt": {
-                  "anyOf": [
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-                      "format": "date",
-                      "type": "string"
-                    },
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-                      "format": "date-time",
-                      "type": "string"
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-                  ]
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-                "sourceType": {
-                  "enum": [
-                    "registry",
-                    "provider"
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-                  "type": "string"
-                },
-                "sourceUrl": {
-                  "type": "string"
-                },
-                "tagline": {
-                  "type": "string"
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-                "tags": {
-                  "items": {
-                    "type": "string"
-                  },
-                  "type": "array"
-                },
-                "verification": {
-                  "enum": [
-                    "listed",
-                    "documented",
-                    "connection-tested"
-                  ],
-                  "type": "string"
-                },
-                "website": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "id",
-                "slug",
-                "name",
-                "provider",
-                "tagline",
-                "description",
-                "website",
-                "docsUrl",
-                "category",
-                "tags",
-                "capabilities",
-                "protocols",
-                "auth",
-                "pricing",
-                "endpoint",
-                "registryName",
-                "sourceUrl",
-                "sourceType",
-                "sourceCheckedAt",
-                "verification",
-                "notes",
-                "featured",
-                "color"
-              ],
-              "type": "object"
-            }
-          ]
-        },
-        "maxItems": 100,
-        "type": "array"
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-      "total": {
-        "minimum": 0,
-        "type": "integer"
-      },
-      "view": {
-        "enum": [
-          "compact",
-          "full"
-        ],
-        "type": "string"
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-    },
-    "required": [
-      "services",
-      "total",
-      "returned",
-      "generatedAt",
-      "view",
-      "search"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "error": {
-        "additionalProperties": false,
-        "properties": {
-          "code": {
-            "minLength": 1,
-            "type": "string"
-          },
-          "message": {
-            "type": "string"
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-        },
-        "required": [
-          "code",
-          "message"
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-        "type": "object"
-      },
-      "error_code": {
-        "minLength": 1,
-        "type": "string"
-      }
-    },
-    "required": [
-      "error_code",
-      "error"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "allOf": [
+      {
+        "else": {
+          "properties": {
+            "services": {
+              "items": {
+                "additionalProperties": false,
+                "properties": {
+                  "auth": {
+                    "enum": [
+                      "api-key",
+                      "oauth",
+                      "wallet-payment",
+                      "none",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  "capabilities": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
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+                  "category": {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  "color": {
+                    "type": "string"
+                  },
+                  "description": {
+                    "type": "string"
+                  },
+                  "docsUrl": {
+                    "type": "string"
+                  },
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+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "featured": {
+                    "type": "boolean"
+                  },
+                  "id": {
+                    "type": "string"
+                  },
+                  "name": {
+                    "type": "string"
+                  },
+                  "notes": {
+                    "type": "string"
+                  },
+                  "pricing": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "anyOf": [
+                              {
+                                "format": "date",
+                                "type": "string"
+                              },
+                              {
+                                "format": "date-time",
+                                "type": "string"
+                              }
+                            ]
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      },
+                      "summary": {
+                        "type": "string"
+                      },
+                      "url": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "model",
+                      "summary",
+                      "url",
+                      "checkedAt"
+                    ],
+                    "type": "object"
+                  },
+                  "protocols": {
+                    "items": {
+                      "enum": [
+                        "MCP",
+                        "REST",
+                        "x402"
+                      ],
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "provider": {
+                    "type": "string"
+                  },
+                  "registryName": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "slug": {
+                    "type": "string"
+                  },
+                  "sourceCheckedAt": {
+                    "anyOf": [
+                      {
+                        "format": "date",
+                        "type": "string"
+                      },
+                      {
+                        "format": "date-time",
+                        "type": "string"
+                      }
+                    ]
+                  },
+                  "sourceType": {
+                    "enum": [
+                      "registry",
+                      "provider"
+                    ],
+                    "type": "string"
+                  },
+                  "sourceUrl": {
+                    "type": "string"
+                  },
+                  "tagline": {
+                    "type": "string"
+                  },
+                  "tags": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "verification": {
+                    "enum": [
+                      "listed",
+                      "documented",
+                      "connection-tested"
+                    ],
+                    "type": "string"
+                  },
+                  "website": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "id",
+                  "slug",
+                  "name",
+                  "provider",
+                  "tagline",
+                  "description",
+                  "website",
+                  "docsUrl",
+                  "category",
+                  "tags",
+                  "capabilities",
+                  "protocols",
+                  "auth",
+                  "pricing",
+                  "endpoint",
+                  "registryName",
+                  "sourceUrl",
+                  "sourceType",
+                  "sourceCheckedAt",
+                  "verification",
+                  "notes",
+                  "featured",
+                  "color"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            }
+          }
+        },
+        "if": {
+          "properties": {
+            "view": {
+              "const": "compact"
+            }
+          }
+        },
+        "then": {
+          "properties": {
+            "services": {
+              "items": {
+                "additionalProperties": false,
+                "properties": {
+                  "auth": {
+                    "enum": [
+                      "api-key",
+                      "oauth",
+                      "wallet-payment",
+                      "none",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  "category": {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  "docsUrl": {
+                    "type": "string"
+                  },
+                  "matchReasons": {
+                    "items": {
+                      "additionalProperties": false,
+                      "properties": {
+                        "field": {
+                          "enum": [
+                            "name_provider",
+                            "capabilities",
+                            "description",
+                            "category",
+                            "protocol",
+                            "pricing",
+                            "catalogue"
+                          ],
+                          "type": "string"
+                        },
+                        "kind": {
+                          "enum": [
+                            "keyword",
+                            "filter",
+                            "catalogue"
+                          ],
+                          "type": "string"
+                        },
+                        "matchedTerm": {
+                          "type": [
+                            "string",
+                            "null"
+                          ]
+                        },
+                        "term": {
+                          "type": [
+                            "string",
+                            "null"
+                          ]
+                        }
+                      },
+                      "required": [
+                        "kind",
+                        "field",
+                        "term",
+                        "matchedTerm"
+                      ],
+                      "type": "object"
+                    },
+                    "minItems": 1,
+                    "type": "array"
+                  },
+                  "name": {
+                    "type": "string"
+                  },
+                  "pricing": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "anyOf": [
+                              {
+                                "format": "date",
+                                "type": "string"
+                              },
+                              {
+                                "format": "date-time",
+                                "type": "string"
+                              }
+                            ]
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "model",
+                      "checkedAt"
+                    ],
+                    "type": "object"
+                  },
+                  "protocols": {
+                    "items": {
+                      "enum": [
+                        "MCP",
+                        "REST",
+                        "x402"
+                      ],
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "provider": {
+                    "type": "string"
+                  },
+                  "slug": {
+                    "type": "string"
+                  },
+                  "source": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "format": "date",
+                            "type": "string"
+                          },
+                          {
+                            "format": "date-time",
+                            "type": "string"
+                          }
+                        ]
+                      },
+                      "registryLifecycle": {
+                        "anyOf": [
+                          {
+                            "additionalProperties": false,
+                            "properties": {
+                              "evidence": {
+                                "additionalProperties": false,
+                                "properties": {
+                                  "checkedAt": {
+                                    "anyOf": [
+                                      {
+                                        "format": "date",
+                                        "type": "string"
+                                      },
+                                      {
+                                        "format": "date-time",
+                                        "type": "string"
+                                      }
+                                    ]
+                                  },
+                                  "url": {
+                                    "type": "string"
+                                  }
+                                },
+                                "required": [
+                                  "url",
+                                  "checkedAt"
+                                ],
+                                "type": "object"
+                              },
+                              "status": {
+                                "enum": [
+                                  "deprecated"
+                                ],
+                                "type": "string"
+                              }
+                            },
+                            "required": [
+                              "status",
+                              "evidence"
+                            ],
+                            "type": "object"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "type": {
+                        "enum": [
+                          "registry",
+                          "provider"
+                        ],
+                        "type": "string"
+                      },
+                      "url": {
+                        "type": "string"
+                      },
+                      "verification": {
+                        "enum": [
+                          "listed",
+                          "documented",
+                          "connection-tested"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "type",
+                      "checkedAt",
+                      "verification",
+                      "registryLifecycle"
+                    ],
+                    "type": "object"
+                  },
+                  "tagline": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "slug",
+                  "name",
+                  "provider",
+                  "tagline",
+                  "category",
+                  "protocols",
+                  "auth",
+                  "pricing",
+                  "docsUrl",
+                  "source",
+                  "matchReasons"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            }
+          }
+        }
+      }
+    ],
+    "properties": {
+      "generatedAt": {
+        "format": "date-time",
+        "type": "string"
+      },
+      "returned": {
+        "maximum": 100,
+        "minimum": 0,
+        "type": "integer"
+      },
+      "search": {
+        "additionalProperties": false,
+        "properties": {
+          "appliedFilters": {
+            "additionalProperties": false,
+            "properties": {
+              "category": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "pricing": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "free",
+                      "freemium",
+                      "usage-based",
+                      "subscription",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "protocol": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              }
+            },
+            "required": [
+              "category",
+              "protocol",
+              "pricing"
+            ],
+            "type": "object"
+          },
+          "discovery": {
+            "additionalProperties": false,
+            "properties": {
+              "assessment": {
+                "const": "unassessed",
+                "type": "string"
+              },
+              "decomposition": {
+                "enum": [
+                  "caller_supplied",
+                  "not_supplied"
+                ],
+                "type": "string"
+              },
+              "executionPolicy": {
+                "additionalProperties": false,
+                "properties": {
+                  "accountConnections": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "payments": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "providerCalls": {
+                    "const": false,
+                    "type": "boolean"
+                  }
+                },
+                "required": [
+                  "providerCalls",
+                  "accountConnections",
+                  "payments"
+                ],
+                "type": "object"
+              },
+              "originalRequest": {
+                "maxLength": 2000,
+                "minLength": 1,
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "requirements": {
+                "items": {
+                  "maxLength": 200,
+                  "minLength": 1,
+                  "type": "string"
+                },
+                "maxItems": 8,
+                "type": "array"
+              },
+              "resultsAre": {
+                "const": "metadata_candidates",
+                "type": "string"
+              }
+            },
+            "required": [
+              "originalRequest",
+              "requirements",
+              "executionPolicy",
+              "decomposition",
+              "assessment",
+              "resultsAre"
+            ],
+            "type": "object"
+          },
+          "effectiveQuery": {
+            "type": "string"
+          },
+          "mode": {
+            "enum": [
+              "browse",
+              "keywords",
+              "agent-translation"
+            ],
+            "type": "string"
+          },
+          "originalQuery": {
+            "type": "string"
+          },
+          "reasonCodes": {
+            "description": "Empty when matches exist. Otherwise identifies the first blocking cause: an overlong query, no searchable terms, unsupported exclusions/alternatives/numerical comparisons, or no match in the current published catalogue. It does not establish that no suitable provider exists elsewhere. REST/MCP reject overlong requests before returning search results.",
+            "items": {
+              "enum": [
+                "QUERY_TOO_LONG",
+                "NO_SEARCHABLE_TERMS",
+                "UNSUPPORTED_CONDITIONS",
+                "NO_CATALOGUE_MATCH"
+              ],
+              "type": "string"
+            },
+            "maxItems": 1,
+            "type": "array"
+          },
+          "suggestions": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "terms": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "warnings": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "discovery",
+          "originalQuery",
+          "effectiveQuery",
+          "mode",
+          "reasonCodes",
+          "terms",
+          "appliedFilters",
+          "warnings",
+          "suggestions"
+        ],
+        "type": "object"
+      },
+      "services": {
+        "items": {
+          "oneOf": [
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "matchReasons": {
+                  "items": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "field": {
+                        "enum": [
+                          "name_provider",
+                          "capabilities",
+                          "description",
+                          "category",
+                          "protocol",
+                          "pricing",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "kind": {
+                        "enum": [
+                          "keyword",
+                          "filter",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "matchedTerm": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      },
+                      "term": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "kind",
+                      "field",
+                      "term",
+                      "matchedTerm"
+                    ],
+                    "type": "object"
+                  },
+                  "minItems": 1,
+                  "type": "array"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "source": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "format": "date",
+                          "type": "string"
+                        },
+                        {
+                          "format": "date-time",
+                          "type": "string"
+                        }
+                      ]
+                    },
+                    "registryLifecycle": {
+                      "anyOf": [
+                        {
+                          "additionalProperties": false,
+                          "properties": {
+                            "evidence": {
+                              "additionalProperties": false,
+                              "properties": {
+                                "checkedAt": {
+                                  "anyOf": [
+                                    {
+                                      "format": "date",
+                                      "type": "string"
+                                    },
+                                    {
+                                      "format": "date-time",
+                                      "type": "string"
+                                    }
+                                  ]
+                                },
+                                "url": {
+                                  "type": "string"
+                                }
+                              },
+                              "required": [
+                                "url",
+                                "checkedAt"
+                              ],
+                              "type": "object"
+                            },
+                            "status": {
+                              "enum": [
+                                "deprecated"
+                              ],
+                              "type": "string"
+                            }
+                          },
+                          "required": [
+                            "status",
+                            "evidence"
+                          ],
+                          "type": "object"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "type": {
+                      "enum": [
+                        "registry",
+                        "provider"
+                      ],
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": "string"
+                    },
+                    "verification": {
+                      "enum": [
+                        "listed",
+                        "documented",
+                        "connection-tested"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "url",
+                    "type",
+                    "checkedAt",
+                    "verification",
+                    "registryLifecycle"
+                  ],
+                  "type": "object"
+                },
+                "tagline": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "category",
+                "protocols",
+                "auth",
+                "pricing",
+                "docsUrl",
+                "source",
+                "matchReasons"
+              ],
+              "type": "object"
+            },
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "capabilities": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "color": {
+                  "type": "string"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "endpoint": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "featured": {
+                  "type": "boolean"
+                },
+                "id": {
+                  "type": "string"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "notes": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    },
+                    "summary": {
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "summary",
+                    "url",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "registryName": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "sourceCheckedAt": {
+                  "anyOf": [
+                    {
+                      "format": "date",
+                      "type": "string"
+                    },
+                    {
+                      "format": "date-time",
+                      "type": "string"
+                    }
+                  ]
+                },
+                "sourceType": {
+                  "enum": [
+                    "registry",
+                    "provider"
+                  ],
+                  "type": "string"
+                },
+                "sourceUrl": {
+                  "type": "string"
+                },
+                "tagline": {
+                  "type": "string"
+                },
+                "tags": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "verification": {
+                  "enum": [
+                    "listed",
+                    "documented",
+                    "connection-tested"
+                  ],
+                  "type": "string"
+                },
+                "website": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "id",
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "description",
+                "website",
+                "docsUrl",
+                "category",
+                "tags",
+                "capabilities",
+                "protocols",
+                "auth",
+                "pricing",
+                "endpoint",
+                "registryName",
+                "sourceUrl",
+                "sourceType",
+                "sourceCheckedAt",
+                "verification",
+                "notes",
+                "featured",
+                "color"
+              ],
+              "type": "object"
+            }
+          ]
+        },
+        "maxItems": 100,
+        "type": "array"
+      },
+      "total": {
+        "minimum": 0,
+        "type": "integer"
+      },
+      "view": {
+        "enum": [
+          "compact",
+          "full"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "services",
+      "total",
+      "returned",
+      "generatedAt",
+      "view",
+      "search"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "type": "object"
+      },
+      "error_code": {
+        "minLength": 1,
+        "type": "string"
+      }
+    },
+    "required": [
+      "error_code",
+      "error"
+    ],
+    "type": "object"
+  }
+]

Changed2 schema fields changedOct 16, 2026

addedInput schema / properties / offset

Added value: +{
+  "description": "Skip this many matched results; defaults to 0. Page with limit and offset while preserving the same query and filters.",
+  "maximum": 2000,
+  "minimum": 0,
+  "type": "integer"
+}

changedInput schema / properties / requestJson / description

Previous value: -"Preferred: serialize the COMPLETE search request into this one JSON string (at most 8192 UTF-16 code units); never mix with top-level arguments. Fields: query, queryEnglish, category, protocol, pricing, limit, view, originalRequest, requirements, executionPolicy. query/queryEnglish each max200 after trimming. For 'find a service, but do not pay/connect/run', preserve the complete wording in originalRequest, use focused service terms in query, retain service conditions in requirements/filters, and use executionPolicy with providerCalls:false,accountConnections:false,payments:false. Requirements/decomposition stay unassessed. Do not equate payment prohibition now with free-service-only preference. No unknown/duplicate keys or truncation."New value: +"Preferred: serialize the COMPLETE search request into this one JSON string (at most 8192 UTF-16 code units); never mix with top-level arguments. Fields: query, queryEnglish, category, protocol, pricing, limit, offset, view, originalRequest, requirements, executionPolicy. query/queryEnglish each max200 after trimming. For 'find a service, but do not pay/connect/run', preserve the complete wording in originalRequest, use focused service terms in query, retain service conditions in requirements/filters, and use executionPolicy with providerCalls:false,accountConnections:false,payments:false. Requirements/decomposition stay unassessed. Do not equate payment prohibition now with free-service-only preference. No unknown/duplicate keys or truncation."

Changed4 schema fields changedOct 15, 2026

addedInput schema / properties / category / description

Added value: +"Filter by an exact catalogue category identifier."

addedInput schema / properties / limit / description

Added value: +"Maximum number of search results to return; defaults to 5."

addedInput schema / properties / pricing / description

Added value: +"Filter by recorded pricing model; this does not authorize payment or establish task cost."

addedInput schema / properties / protocol / description

Added value: +"Filter by a declared service interface; a match is not proof of task execution support."

Changed13 schema fields changedOct 15, 2026

addedInput schema / properties / executionPolicy

Added value: +{
+  "additionalProperties": false,
+  "description": "Requires originalRequest. All three fields must be false: providerCalls, accountConnections, payments. This restricts current actions, not which paid or account-based services may be discovered. Use recommend_services constraints.payment:no_payment to filter out paid options.",
+  "properties": {
+    "accountConnections": {
+      "const": false,
+      "type": "boolean"
+    },
+    "payments": {
+      "const": false,
+      "type": "boolean"
+    },
+    "providerCalls": {
+      "const": false,
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "providerCalls",
+    "accountConnections",
+    "payments"
+  ],
+  "type": "object"
+}

addedInput schema / properties / originalRequest

Added value: +{
+  "description": "For separated discovery, preserve the COMPLETE request exactly, including prohibitions and service conditions, in 1–2000 Unicode characters. Query holds service-search terms. Decomposition is not verified by ToolSkipper.",
+  "maxLength": 2000,
+  "minLength": 1,
+  "type": "string"
+}

changedInput schema / properties / query / description

Previous value: -"Original user query describing the task, provider or capability. Required and nonempty when queryEnglish is supplied. Unicode text is accepted."New value: +"Service-search terms, at most 200 UTF-16 code units after trimming. With separated discovery, preserve the complete user request in originalRequest and keep service requirements explicit. Never silently drop constraints. Required and nonempty with queryEnglish or originalRequest."

changedInput schema / properties / queryEnglish / description

Previous value: -"Optional English translation or pivot supplied by the calling agent, accompanied by the original query. Preserve numbers, negations, regions, authentication and payment constraints. Relay does not translate externally or verify translation accuracy."New value: +"Optional English wording for query, 1–200 UTF-16 code units after trimming. Requires original nonempty query. With originalRequest, translate the focused query faithfully and preserve every original condition in full context and filters; otherwise retain all query constraints. Translation is caller-supplied and unverified."

changedInput schema / properties / requestJson / description

Previous value: -"Recommended: JSON.stringify the complete search request into this single field. Allowed inner fields: query, queryEnglish, category, protocol, pricing, limit, view. Do not combine with top-level filters. Unknown or duplicate inner keys are rejected. Keep unsupported conditions in query text; auth, region and budget are not supported filters."New value: +"Preferred: serialize the COMPLETE search request into this one JSON string (at most 8192 UTF-16 code units); never mix with top-level arguments. Fields: query, queryEnglish, category, protocol, pricing, limit, view, originalRequest, requirements, executionPolicy. query/queryEnglish each max200 after trimming. For 'find a service, but do not pay/connect/run', preserve the complete wording in originalRequest, use focused service terms in query, retain service conditions in requirements/filters, and use executionPolicy with providerCalls:false,accountConnections:false,payments:false. Requirements/decomposition stay unassessed. Do not equate payment prohibition now with free-service-only preference. No unknown/duplicate keys or truncation."

changedInput schema / properties / requestJson / maxLength
```
Previous value: -4096New value: +8192
```

addedInput schema / properties / requirements

Added value: +{
+  "description": "Up to eight preserved service requirements, each 1–200 Unicode characters. Requires originalRequest; requirements remain unassessed and cannot be claimed satisfied.",
+  "items": {
+    "maxLength": 200,
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 8,
+  "type": "array"
+}

changedInput schema / properties / view / description

Previous value: -"Compact results include source check dates and exact metadata match reasons. Select full explicitly for complete catalogue records."New value: +"Compact results include source dates and exact metadata match reasons. Use full for all catalogue fields."

removedOutput schema / additionalProperties
```
Removed value: -false
```

removedOutput schema / allOf

Removed value: -[
-  {
-    "else": {
-      "properties": {
-        "services": {
-          "items": {
-            "additionalProperties": false,
-            "properties": {
-              "auth": {
-                "enum": [
-                  "api-key",
-                  "oauth",
-                  "none",
-                  "unknown"
-                ],
-                "type": "string"
-              },
-              "capabilities": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "category": {
-                "enum": [
-                  "search",
-                  "extraction",
-                  "data",
-                  "browser",
-                  "documents"
-                ],
-                "type": "string"
-              },
-              "color": {
-                "type": "string"
-              },
-              "description": {
-                "type": "string"
-              },
-              "docsUrl": {
-                "type": "string"
-              },
-              "endpoint": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "featured": {
-                "type": "boolean"
-              },
-              "id": {
-                "type": "string"
-              },
-              "name": {
-                "type": "string"
-              },
-              "notes": {
-                "type": "string"
-              },
-              "pricing": {
-                "additionalProperties": false,
-                "properties": {
-                  "checkedAt": {
-                    "anyOf": [
-                      {
-                        "anyOf": [
-                          {
-                            "format": "date",
-                            "type": "string"
-                          },
-                          {
-                            "format": "date-time",
-                            "type": "string"
-                          }
-                        ]
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "model": {
-                    "enum": [
-                      "free",
-                      "freemium",
-                      "usage-based",
-                      "subscription",
-                      "unknown"
-                    ],
-                    "type": "string"
-                  },
-                  "summary": {
-                    "type": "string"
-                  },
-                  "url": {
-                    "type": [
-                      "string",
-                      "null"
-                    ]
-                  }
-                },
-                "required": [
-                  "model",
-                  "summary",
-                  "url",
-                  "checkedAt"
-                ],
-                "type": "object"
-              },
-              "protocols": {
-                "items": {
-                  "enum": [
-                    "MCP",
-                    "REST",
-                    "x402"
-                  ],
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "provider": {
-                "type": "string"
-              },
-              "registryName": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "slug": {
-                "type": "string"
-              },
-              "sourceCheckedAt": {
-                "anyOf": [
-                  {
-                    "format": "date",
-                    "type": "string"
-                  },
-                  {
-                    "format": "date-time",
-                    "type": "string"
-                  }
-                ]
-              },
-              "sourceType": {
-                "enum": [
-                  "registry",
-                  "provider"
-                ],
-                "type": "string"
-              },
-              "sourceUrl": {
-                "type": "string"
-              },
-              "tagline": {
-                "type": "string"
-              },
-              "tags": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "verification": {
-                "enum": [
-                  "listed",
-                  "documented",
-                  "connection-tested"
-                ],
-                "type": "string"
-              },
-              "website": {
-                "type": "string"
-              }
-            },
-            "required": [
-              "id",
-              "slug",
-              "name",
-              "provider",
-              "tagline",
-              "description",
-              "website",
-              "docsUrl",
-              "category",
-              "tags",
-              "capabilities",
-              "protocols",
-              "auth",
-              "pricing",
-              "endpoint",
-              "registryName",
-              "sourceUrl",
-              "sourceType",
-              "sourceCheckedAt",
-              "verification",
-              "notes",
-              "featured",
-              "color"
-            ],
-            "type": "object"
-          },
-          "type": "array"
-        }
-      }
-    },
-    "if": {
-      "properties": {
-        "view": {
-          "const": "compact"
-        }
-      }
-    },
-    "then": {
-      "properties": {
-        "services": {
-          "items": {
-            "additionalProperties": false,
-            "properties": {
-              "auth": {
-                "enum": [
-                  "api-key",
-                  "oauth",
-                  "none",
-                  "unknown"
-                ],
-                "type": "string"
-              },
-              "category": {
-                "enum": [
-                  "search",
-                  "extraction",
-                  "data",
-                  "browser",
-                  "documents"
-                ],
-                "type": "string"
-              },
-              "docsUrl": {
-                "type": "string"
-              },
-              "matchReasons": {
-                "items": {
-                  "additionalProperties": false,
-                  "properties": {
-                    "field": {
-                      "enum": [
-                        "name_provider",
-                        "capabilities",
-                        "description",
-                        "category",
-                        "protocol",
-                        "pricing",
-                        "catalogue"
-                      ],
-                      "type": "string"
-                    },
-                    "kind": {
-                      "enum": [
-                        "keyword",
-                        "filter",
-                        "catalogue"
-                      ],
-                      "type": "string"
-                    },
-                    "matchedTerm": {
-                      "type": [
-                        "string",
-                        "null"
-                      ]
-                    },
-                    "term": {
-                      "type": [
-                        "string",
-                        "null"
-                      ]
-                    }
-                  },
-                  "required": [
-                    "kind",
-                    "field",
-                    "term",
-                    "matchedTerm"
-                  ],
-                  "type": "object"
-                },
-                "minItems": 1,
-                "type": "array"
-              },
-              "name": {
-                "type": "string"
-              },
-              "pricing": {
-                "additionalProperties": false,
-                "properties": {
-                  "checkedAt": {
-                    "anyOf": [
-                      {
-                        "anyOf": [
-                          {
-                            "format": "date",
-                            "type": "string"
-                          },
-                          {
-                            "format": "date-time",
-                            "type": "string"
-                          }
-                        ]
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "model": {
-                    "enum": [
-                      "free",
-                      "freemium",
-                      "usage-based",
-                      "subscription",
-                      "unknown"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "model",
-                  "checkedAt"
-                ],
-                "type": "object"
-              },
-              "protocols": {
-                "items": {
-                  "enum": [
-                    "MCP",
-                    "REST",
-                    "x402"
-                  ],
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "provider": {
-                "type": "string"
-              },
-              "slug": {
-                "type": "string"
-              },
-              "source": {
-                "additionalProperties": false,
-                "properties": {
-                  "checkedAt": {
-                    "anyOf": [
-                      {
-                        "format": "date",
-                        "type": "string"
-                      },
-                      {
-                        "format": "date-time",
-                        "type": "string"
-                      }
-                    ]
-                  },
-                  "type": {
-                    "enum": [
-                      "registry",
-                      "provider"
-                    ],
-                    "type": "string"
-                  },
-                  "url": {
-                    "type": "string"
-                  },
-                  "verification": {
-                    "enum": [
-                      "listed",
-                      "documented",
-                      "connection-tested"
-                    ],
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "url",
-                  "type",
-                  "checkedAt",
-                  "verification"
-                ],
-                "type": "object"
-              },
-              "tagline": {
-                "type": "string"
-              }
-            },
-            "required": [
-              "slug",
-              "name",
-              "provider",
-              "tagline",
-              "category",
-              "protocols",
-              "auth",
-              "pricing",
-              "docsUrl",
-              "source",
-              "matchReasons"
-            ],
-            "type": "object"
-          },
-          "type": "array"
-        }
-      }
-    }
-  }
-]

addedOutput schema / anyOf

Added value: +[
+  {
+    "additionalProperties": false,
+    "allOf": [
+      {
+        "else": {
+          "properties": {
+            "services": {
+              "items": {
+                "additionalProperties": false,
+                "properties": {
+                  "auth": {
+                    "enum": [
+                      "api-key",
+                      "oauth",
+                      "wallet-payment",
+                      "none",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  "capabilities": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "category": {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  "color": {
+                    "type": "string"
+                  },
+                  "description": {
+                    "type": "string"
+                  },
+                  "docsUrl": {
+                    "type": "string"
+                  },
+                  "endpoint": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "featured": {
+                    "type": "boolean"
+                  },
+                  "id": {
+                    "type": "string"
+                  },
+                  "name": {
+                    "type": "string"
+                  },
+                  "notes": {
+                    "type": "string"
+                  },
+                  "pricing": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "anyOf": [
+                              {
+                                "format": "date",
+                                "type": "string"
+                              },
+                              {
+                                "format": "date-time",
+                                "type": "string"
+                              }
+                            ]
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      },
+                      "summary": {
+                        "type": "string"
+                      },
+                      "url": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "model",
+                      "summary",
+                      "url",
+                      "checkedAt"
+                    ],
+                    "type": "object"
+                  },
+                  "protocols": {
+                    "items": {
+                      "enum": [
+                        "MCP",
+                        "REST",
+                        "x402"
+                      ],
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "provider": {
+                    "type": "string"
+                  },
+                  "registryName": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "slug": {
+                    "type": "string"
+                  },
+                  "sourceCheckedAt": {
+                    "anyOf": [
+                      {
+                        "format": "date",
+                        "type": "string"
+                      },
+                      {
+                        "format": "date-time",
+                        "type": "string"
+                      }
+                    ]
+                  },
+                  "sourceType": {
+                    "enum": [
+                      "registry",
+                      "provider"
+                    ],
+                    "type": "string"
+                  },
+                  "sourceUrl": {
+                    "type": "string"
+                  },
+                  "tagline": {
+                    "type": "string"
+                  },
+                  "tags": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "verification": {
+                    "enum": [
+                      "listed",
+                      "documented",
+                      "connection-tested"
+                    ],
+                    "type": "string"
+                  },
+                  "website": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "id",
+                  "slug",
+                  "name",
+                  "provider",
+                  "tagline",
+                  "description",
+                  "website",
+                  "docsUrl",
+                  "category",
+                  "tags",
+                  "capabilities",
+                  "protocols",
+                  "auth",
+                  "pricing",
+                  "endpoint",
+                  "registryName",
+                  "sourceUrl",
+                  "sourceType",
+                  "sourceCheckedAt",
+                  "verification",
+                  "notes",
+                  "featured",
+                  "color"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            }
+          }
+        },
+        "if": {
+          "properties": {
+            "view": {
+              "const": "compact"
+            }
+          }
+        },
+        "then": {
+          "properties": {
+            "services": {
+              "items": {
+                "additionalProperties": false,
+                "properties": {
+                  "auth": {
+                    "enum": [
+                      "api-key",
+                      "oauth",
+                      "wallet-payment",
+                      "none",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  "category": {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  "docsUrl": {
+                    "type": "string"
+                  },
+                  "matchReasons": {
+                    "items": {
+                      "additionalProperties": false,
+                      "properties": {
+                        "field": {
+                          "enum": [
+                            "name_provider",
+                            "capabilities",
+                            "description",
+                            "category",
+                            "protocol",
+                            "pricing",
+                            "catalogue"
+                          ],
+                          "type": "string"
+                        },
+                        "kind": {
+                          "enum": [
+                            "keyword",
+                            "filter",
+                            "catalogue"
+                          ],
+                          "type": "string"
+                        },
+                        "matchedTerm": {
+                          "type": [
+                            "string",
+                            "null"
+                          ]
+                        },
+                        "term": {
+                          "type": [
+                            "string",
+                            "null"
+                          ]
+                        }
+                      },
+                      "required": [
+                        "kind",
+                        "field",
+                        "term",
+                        "matchedTerm"
+                      ],
+                      "type": "object"
+                    },
+                    "minItems": 1,
+                    "type": "array"
+                  },
+                  "name": {
+                    "type": "string"
+                  },
+                  "pricing": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "anyOf": [
+                              {
+                                "format": "date",
+                                "type": "string"
+                              },
+                              {
+                                "format": "date-time",
+                                "type": "string"
+                              }
+                            ]
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
+                      },
+                      "model": {
+                        "enum": [
+                          "free",
+                          "freemium",
+                          "usage-based",
+                          "subscription",
+                          "unknown"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "model",
+                      "checkedAt"
+                    ],
+                    "type": "object"
+                  },
+                  "protocols": {
+                    "items": {
+                      "enum": [
+                        "MCP",
+                        "REST",
+                        "x402"
+                      ],
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "provider": {
+                    "type": "string"
+                  },
+                  "slug": {
+                    "type": "string"
+                  },
+                  "source": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "checkedAt": {
+                        "anyOf": [
+                          {
+                            "format": "date",
+                            "type": "string"
+                          },
+                          {
+                            "format": "date-time",
+                            "type": "string"
+                          }
+                        ]
+                      },
+                      "type": {
+                        "enum": [
+                          "registry",
+                          "provider"
+                        ],
+                        "type": "string"
+                      },
+                      "url": {
+                        "type": "string"
+                      },
+                      "verification": {
+                        "enum": [
+                          "listed",
+                          "documented",
+                          "connection-tested"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "type",
+                      "checkedAt",
+                      "verification"
+                    ],
+                    "type": "object"
+                  },
+                  "tagline": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "slug",
+                  "name",
+                  "provider",
+                  "tagline",
+                  "category",
+                  "protocols",
+                  "auth",
+                  "pricing",
+                  "docsUrl",
+                  "source",
+                  "matchReasons"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            }
+          }
+        }
+      }
+    ],
+    "properties": {
+      "generatedAt": {
+        "format": "date-time",
+        "type": "string"
+      },
+      "returned": {
+        "maximum": 100,
+        "minimum": 0,
+        "type": "integer"
+      },
+      "search": {
+        "additionalProperties": false,
+        "properties": {
+          "appliedFilters": {
+            "additionalProperties": false,
+            "properties": {
+              "category": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "search",
+                      "extraction",
+                      "data",
+                      "browser",
+                      "documents"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "pricing": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "free",
+                      "freemium",
+                      "usage-based",
+                      "subscription",
+                      "unknown"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "protocol": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              }
+            },
+            "required": [
+              "category",
+              "protocol",
+              "pricing"
+            ],
+            "type": "object"
+          },
+          "discovery": {
+            "additionalProperties": false,
+            "properties": {
+              "assessment": {
+                "const": "unassessed",
+                "type": "string"
+              },
+              "decomposition": {
+                "enum": [
+                  "caller_supplied",
+                  "not_supplied"
+                ],
+                "type": "string"
+              },
+              "executionPolicy": {
+                "additionalProperties": false,
+                "properties": {
+                  "accountConnections": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "payments": {
+                    "const": false,
+                    "type": "boolean"
+                  },
+                  "providerCalls": {
+                    "const": false,
+                    "type": "boolean"
+                  }
+                },
+                "required": [
+                  "providerCalls",
+                  "accountConnections",
+                  "payments"
+                ],
+                "type": "object"
+              },
+              "originalRequest": {
+                "maxLength": 2000,
+                "minLength": 1,
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "requirements": {
+                "items": {
+                  "maxLength": 200,
+                  "minLength": 1,
+                  "type": "string"
+                },
+                "maxItems": 8,
+                "type": "array"
+              },
+              "resultsAre": {
+                "const": "metadata_candidates",
+                "type": "string"
+              }
+            },
+            "required": [
+              "originalRequest",
+              "requirements",
+              "executionPolicy",
+              "decomposition",
+              "assessment",
+              "resultsAre"
+            ],
+            "type": "object"
+          },
+          "effectiveQuery": {
+            "type": "string"
+          },
+          "mode": {
+            "enum": [
+              "browse",
+              "keywords",
+              "agent-translation"
+            ],
+            "type": "string"
+          },
+          "originalQuery": {
+            "type": "string"
+          },
+          "reasonCodes": {
+            "description": "Empty when matches exist. Otherwise identifies the first blocking cause: an overlong query, no searchable terms, unsupported exclusions/alternatives/numerical comparisons, or no match in the current published catalogue. It does not establish that no suitable provider exists elsewhere. REST/MCP reject overlong requests before returning search results.",
+            "items": {
+              "enum": [
+                "QUERY_TOO_LONG",
+                "NO_SEARCHABLE_TERMS",
+                "UNSUPPORTED_CONDITIONS",
+                "NO_CATALOGUE_MATCH"
+              ],
+              "type": "string"
+            },
+            "maxItems": 1,
+            "type": "array"
+          },
+          "suggestions": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "terms": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "warnings": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "discovery",
+          "originalQuery",
+          "effectiveQuery",
+          "mode",
+          "reasonCodes",
+          "terms",
+          "appliedFilters",
+          "warnings",
+          "suggestions"
+        ],
+        "type": "object"
+      },
+      "services": {
+        "items": {
+          "oneOf": [
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "matchReasons": {
+                  "items": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "field": {
+                        "enum": [
+                          "name_provider",
+                          "capabilities",
+                          "description",
+                          "category",
+                          "protocol",
+                          "pricing",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "kind": {
+                        "enum": [
+                          "keyword",
+                          "filter",
+                          "catalogue"
+                        ],
+                        "type": "string"
+                      },
+                      "matchedTerm": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      },
+                      "term": {
+                        "type": [
+                          "string",
+                          "null"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "kind",
+                      "field",
+                      "term",
+                      "matchedTerm"
+                    ],
+                    "type": "object"
+                  },
+                  "minItems": 1,
+                  "type": "array"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "source": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "format": "date",
+                          "type": "string"
+                        },
+                        {
+                          "format": "date-time",
+                          "type": "string"
+                        }
+                      ]
+                    },
+                    "type": {
+                      "enum": [
+                        "registry",
+                        "provider"
+                      ],
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": "string"
+                    },
+                    "verification": {
+                      "enum": [
+                        "listed",
+                        "documented",
+                        "connection-tested"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "url",
+                    "type",
+                    "checkedAt",
+                    "verification"
+                  ],
+                  "type": "object"
+                },
+                "tagline": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "category",
+                "protocols",
+                "auth",
+                "pricing",
+                "docsUrl",
+                "source",
+                "matchReasons"
+              ],
+              "type": "object"
+            },
+            {
+              "additionalProperties": false,
+              "properties": {
+                "auth": {
+                  "enum": [
+                    "api-key",
+                    "oauth",
+                    "wallet-payment",
+                    "none",
+                    "unknown"
+                  ],
+                  "type": "string"
+                },
+                "capabilities": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "category": {
+                  "enum": [
+                    "search",
+                    "extraction",
+                    "data",
+                    "browser",
+                    "documents"
+                  ],
+                  "type": "string"
+                },
+                "color": {
+                  "type": "string"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "docsUrl": {
+                  "type": "string"
+                },
+                "endpoint": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "featured": {
+                  "type": "boolean"
+                },
+                "id": {
+                  "type": "string"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "notes": {
+                  "type": "string"
+                },
+                "pricing": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "checkedAt": {
+                      "anyOf": [
+                        {
+                          "anyOf": [
+                            {
+                              "format": "date",
+                              "type": "string"
+                            },
+                            {
+                              "format": "date-time",
+                              "type": "string"
+                            }
+                          ]
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "model": {
+                      "enum": [
+                        "free",
+                        "freemium",
+                        "usage-based",
+                        "subscription",
+                        "unknown"
+                      ],
+                      "type": "string"
+                    },
+                    "summary": {
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "model",
+                    "summary",
+                    "url",
+                    "checkedAt"
+                  ],
+                  "type": "object"
+                },
+                "protocols": {
+                  "items": {
+                    "enum": [
+                      "MCP",
+                      "REST",
+                      "x402"
+                    ],
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "provider": {
+                  "type": "string"
+                },
+                "registryName": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "sourceCheckedAt": {
+                  "anyOf": [
+                    {
+                      "format": "date",
+                      "type": "string"
+                    },
+                    {
+                      "format": "date-time",
+                      "type": "string"
+                    }
+                  ]
+                },
+                "sourceType": {
+                  "enum": [
+                    "registry",
+                    "provider"
+                  ],
+                  "type": "string"
+                },
+                "sourceUrl": {
+                  "type": "string"
+                },
+                "tagline": {
+                  "type": "string"
+                },
+                "tags": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "verification": {
+                  "enum": [
+                    "listed",
+                    "documented",
+                    "connection-tested"
+                  ],
+                  "type": "string"
+                },
+                "website": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "id",
+                "slug",
+                "name",
+                "provider",
+                "tagline",
+                "description",
+                "website",
+                "docsUrl",
+                "category",
+                "tags",
+                "capabilities",
+                "protocols",
+                "auth",
+                "pricing",
+                "endpoint",
+                "registryName",
+                "sourceUrl",
+                "sourceType",
+                "sourceCheckedAt",
+                "verification",
+                "notes",
+                "featured",
+                "color"
+              ],
+              "type": "object"
+            }
+          ]
+        },
+        "maxItems": 100,
+        "type": "array"
+      },
+      "total": {
+        "minimum": 0,
+        "type": "integer"
+      },
+      "view": {
+        "enum": [
+          "compact",
+          "full"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "services",
+      "total",
+      "returned",
+      "generatedAt",
+      "view",
+      "search"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "type": "object"
+      },
+      "error_code": {
+        "minLength": 1,
+        "type": "string"
+      }
+    },
+    "required": [
+      "error_code",
+      "error"
+    ],
+    "type": "object"
+  }
+]

removedOutput schema / properties

Removed value: -{
-  "generatedAt": {
-    "format": "date-time",
-    "type": "string"
-  },
-  "returned": {
-    "maximum": 100,
-    "minimum": 0,
-    "type": "integer"
-  },
-  "search": {
-    "additionalProperties": false,
-    "properties": {
-      "appliedFilters": {
-        "additionalProperties": false,
-        "properties": {
-          "category": {
-            "anyOf": [
-              {
-                "enum": [
-                  "search",
-                  "extraction",
-                  "data",
-                  "browser",
-                  "documents"
-                ],
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ]
-          },
-          "pricing": {
-            "anyOf": [
-              {
-                "enum": [
-                  "free",
-                  "freemium",
-                  "usage-based",
-                  "subscription",
-                  "unknown"
-                ],
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ]
-          },
-          "protocol": {
-            "anyOf": [
-              {
-                "enum": [
-                  "MCP",
-                  "REST",
-                  "x402"
-                ],
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ]
-          }
-        },
-        "required": [
-          "category",
-          "protocol",
-          "pricing"
-        ],
-        "type": "object"
-      },
-      "effectiveQuery": {
-        "type": "string"
-      },
-      "mode": {
-        "enum": [
-          "browse",
-          "keywords",
-          "agent-translation"
-        ],
-        "type": "string"
-      },
-      "originalQuery": {
-        "type": "string"
-      },
-      "suggestions": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "terms": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "warnings": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      }
-    },
-    "required": [
-      "originalQuery",
-      "effectiveQuery",
-      "mode",
-      "terms",
-      "appliedFilters",
-      "warnings",
-      "suggestions"
-    ],
-    "type": "object"
-  },
-  "services": {
-    "items": {
-      "oneOf": [
-        {
-          "additionalProperties": false,
-          "properties": {
-            "auth": {
-              "enum": [
-                "api-key",
-                "oauth",
-                "none",
-                "unknown"
-              ],
-              "type": "string"
-            },
-            "category": {
-              "enum": [
-                "search",
-                "extraction",
-                "data",
-                "browser",
-                "documents"
-              ],
-              "type": "string"
-            },
-            "docsUrl": {
-              "type": "string"
-            },
-            "matchReasons": {
-              "items": {
-                "additionalProperties": false,
-                "properties": {
-                  "field": {
-                    "enum": [
-                      "name_provider",
-                      "capabilities",
-                      "description",
-                      "category",
-                      "protocol",
-                      "pricing",
-                      "catalogue"
-                    ],
-                    "type": "string"
-                  },
-                  "kind": {
-                    "enum": [
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-                      "filter",
-                      "catalogue"
-                    ],
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-                  },
-                  "matchedTerm": {
-                    "type": [
-                      "string",
-                      "null"
-                    ]
-                  },
-                  "term": {
-                    "type": [
-                      "string",
-                      "null"
-                    ]
-                  }
-                },
-                "required": [
-                  "kind",
-                  "field",
-                  "term",
-                  "matchedTerm"
-                ],
-                "type": "object"
-              },
-              "minItems": 1,
-              "type": "array"
-            },
-            "name": {
-              "type": "string"
-            },
-            "pricing": {
-              "additionalProperties": false,
-              "properties": {
-                "checkedAt": {
-                  "anyOf": [
-                    {
-                      "anyOf": [
-                        {
-                          "format": "date",
-                          "type": "string"
-                        },
-                        {
-                          "format": "date-time",
-                          "type": "string"
-                        }
-                      ]
-                    },
-                    {
-                      "type": "null"
-                    }
-                  ]
-                },
-                "model": {
-                  "enum": [
-                    "free",
-                    "freemium",
-                    "usage-based",
-                    "subscription",
-                    "unknown"
-                  ],
-                  "type": "string"
-                }
-              },
-              "required": [
-                "model",
-                "checkedAt"
-              ],
-              "type": "object"
-            },
-            "protocols": {
-              "items": {
-                "enum": [
-                  "MCP",
-                  "REST",
-                  "x402"
-                ],
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "provider": {
-              "type": "string"
-            },
-            "slug": {
-              "type": "string"
-            },
-            "source": {
-              "additionalProperties": false,
-              "properties": {
-                "checkedAt": {
-                  "anyOf": [
-                    {
-                      "format": "date",
-                      "type": "string"
-                    },
-                    {
-                      "format": "date-time",
-                      "type": "string"
-                    }
-                  ]
-                },
-                "type": {
-                  "enum": [
-                    "registry",
-                    "provider"
-                  ],
-                  "type": "string"
-                },
-                "url": {
-                  "type": "string"
-                },
-                "verification": {
-                  "enum": [
-                    "listed",
-                    "documented",
-                    "connection-tested"
-                  ],
-                  "type": "string"
-                }
-              },
-              "required": [
-                "url",
-                "type",
-                "checkedAt",
-                "verification"
-              ],
-              "type": "object"
-            },
-            "tagline": {
-              "type": "string"
-            }
-          },
-          "required": [
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-            "name",
-            "provider",
-            "tagline",
-            "category",
-            "protocols",
-            "auth",
-            "pricing",
-            "docsUrl",
-            "source",
-            "matchReasons"
-          ],
-          "type": "object"
-        },
-        {
-          "additionalProperties": false,
-          "properties": {
-            "auth": {
-              "enum": [
-                "api-key",
-                "oauth",
-                "none",
-                "unknown"
-              ],
-              "type": "string"
-            },
-            "capabilities": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "category": {
-              "enum": [
-                "search",
-                "extraction",
-                "data",
-                "browser",
-                "documents"
-              ],
-              "type": "string"
-            },
-            "color": {
-              "type": "string"
-            },
-            "description": {
-              "type": "string"
-            },
-            "docsUrl": {
-              "type": "string"
-            },
-            "endpoint": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "featured": {
-              "type": "boolean"
-            },
-            "id": {
-              "type": "string"
-            },
-            "name": {
-              "type": "string"
-            },
-            "notes": {
-              "type": "string"
-            },
-            "pricing": {
-              "additionalProperties": false,
-              "properties": {
-                "checkedAt": {
-                  "anyOf": [
-                    {
-                      "anyOf": [
-                        {
-                          "format": "date",
-                          "type": "string"
-                        },
-                        {
-                          "format": "date-time",
-                          "type": "string"
-                        }
-                      ]
-                    },
-                    {
-                      "type": "null"
-                    }
-                  ]
-                },
-                "model": {
-                  "enum": [
-                    "free",
-                    "freemium",
-                    "usage-based",
-                    "subscription",
-                    "unknown"
-                  ],
-                  "type": "string"
-                },
-                "summary": {
-                  "type": "string"
-                },
-                "url": {
-                  "type": [
-                    "string",
-                    "null"
-                  ]
-                }
-              },
-              "required": [
-                "model",
-                "summary",
-                "url",
-                "checkedAt"
-              ],
-              "type": "object"
-            },
-            "protocols": {
-              "items": {
-                "enum": [
-                  "MCP",
-                  "REST",
-                  "x402"
-                ],
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "provider": {
-              "type": "string"
-            },
-            "registryName": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "slug": {
-              "type": "string"
-            },
-            "sourceCheckedAt": {
-              "anyOf": [
-                {
-                  "format": "date",
-                  "type": "string"
-                },
-                {
-                  "format": "date-time",
-                  "type": "string"
-                }
-              ]
-            },
-            "sourceType": {
-              "enum": [
-                "registry",
-                "provider"
-              ],
-              "type": "string"
-            },
-            "sourceUrl": {
-              "type": "string"
-            },
-            "tagline": {
-              "type": "string"
-            },
-            "tags": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "verification": {
-              "enum": [
-                "listed",
-                "documented",
-                "connection-tested"
-              ],
-              "type": "string"
-            },
-            "website": {
-              "type": "string"
-            }
-          },
-          "required": [
-            "id",
-            "slug",
-            "name",
-            "provider",
-            "tagline",
-            "description",
-            "website",
-            "docsUrl",
-            "category",
-            "tags",
-            "capabilities",
-            "protocols",
-            "auth",
-            "pricing",
-            "endpoint",
-            "registryName",
-            "sourceUrl",
-            "sourceType",
-            "sourceCheckedAt",
-            "verification",
-            "notes",
-            "featured",
-            "color"
-          ],
-          "type": "object"
-        }
-      ]
-    },
-    "maxItems": 100,
-    "type": "array"
-  },
-  "total": {
-    "minimum": 0,
-    "type": "integer"
-  },
-  "view": {
-    "enum": [
-      "compact",
-      "full"
-    ],
-    "type": "string"
-  }
-}

removedOutput schema / required

Removed value: -[
-  "services",
-  "total",
-  "returned",
-  "generatedAt",
-  "view",
-  "search"
-]

First observedOct 12, 2026

TDQS

A4.7/5.0

Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond the readOnly/idempotent annotations, it discloses that no external translation, provider execution, or payment calls occur, that results default to five compact entries with metadata match reasons rather than quality scores, that unknown requestJson fields are rejected, and that connectors may drop unknown legacy fields. It also tells the caller what to inspect after a search, including when no matches are returned.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The purpose is front-loaded, but the description runs to several dense paragraphs with repeated length-limit and serialization guidance. Some sentences restate schema constraints, and the run-on policy/translation clauses make it harder to parse than necessary for an otherwise well-specified tool.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 12-parameter tool with nested objects, enum filters, and an output schema, the description covers the critical behavioral gap: discovery never executes, all policy fields must remain false, requirements are unassessed, and response fields like search.discovery must be inspected. Nothing essential for correct invocation appears missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the baseline is 3, but the description adds cross-parameter semantics not expressed in the schema: requestJson must not be combined with top-level fields, unknown inner fields are rejected, and legacy top-level fields may be discarded by connectors. It also reinforces length limits, though those are already in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The opening sentence gives a specific verb (Find) and resource (services) plus the matching dimensions: deterministic keywords, language aliases, and category/protocol/pricing filters. It also separates this tool from recommend_services explicitly, so an agent can identify it without opening sibling schemas.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It names concrete alternatives and the conditions that select them: recommend_services for structured account/protocol/payment filtering, get_connection_spec for sourced setup options, and get_task_options for the keyless task pilot. It also gives explicit calling guidance (prefer requestJson, do not mix with top-level fields, legacy calls remain available).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Relay — agent service discovery tools Inspect

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