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Rafid Intelligence Network

by io.github.iabdullahm
OverviewDiscussionsAdmin

compare_properties

Read-onlyIdempotent

Compare 2–20 uniquely named properties in OMR using the same metrics; order by rounded net yield, preserving input order for ties. When: Use when an agent must rank or choose between 2-20 candidate properties by net yield. Selection: supporting; prefer for Use when an agent must rank or choose between 2-20 candidate properties by net yield.. Input is a strict JSON object; see the schema. Price: $0.03 USD per call. No free preview is advertised for this capability. Full execution is paid per call via x402; an unpaid MCP call returns payment instructions.

Input Schema

NameRequiredDescriptionDefault
propertiesYes

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changed
    • removedOutput schema / additionalProperties
      Removed value: -false
    • addedOutput schema / anyOf
      Added value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "properties": {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "annualNetIncome": {
+              "type": "number"
+            },
+            "annualOperatingCost": {
+              "type": "number"
+            },
+            "annualOperatingCosts": {
+              "type": "number"
+            },
+            "annualRent": {
+              "type": "number"
+            },
+            "currency": {
+              "const": "OMR",
+              "type": "string"
+            },
+            "effectiveAnnualRent": {
+              "type": "number"
+            },
+            "grossAnnualIncome": {
+              "type": "number"
+            },
+            "grossYield": {
+              "type": "number"
+            },
+            "grossYieldPct": {
+              "type": "number"
+            },
+            "name": {
+              "type": "string"
+            },
+            "netYield": {
+              "type": "number"
+            },
+            "netYieldPct": {
+              "type": "number"
+            },
+            "note": {
+              "type": "string"
+            },
+            "paybackYears": {
+              "type": [
+                "number",
+                "null"
+              ]
+            },
+            "propertyValue": {
+              "type": "number"
+            }
+          },
+          "required": [
+            "propertyValue",
+            "annualRent",
+            "grossAnnualIncome",
+            "grossYield",
+            "netYield",
+            "annualOperatingCost",
+            "annualNetIncome",
+            "effectiveAnnualRent",
+            "paybackYears",
+            "grossYieldPct",
+            "netYieldPct",
+            "annualOperatingCosts",
+            "currency",
+            "note",
+            "name"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "sortedByNetYield": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      }
+    },
+    "required": [
+      "properties",
+      "sortedByNetYield"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "nextAction": {
+        "additionalProperties": false,
+        "properties": {
+          "instruction": {
+            "type": "string"
+          },
+          "target": {
+            "enum": [
+              "x402_endpoint",
+              "mcp_credits_endpoint",
+              "payment_endpoint",
+              "unavailable"
+            ],
+            "type": "string"
+          },
+          "type": {
+            "enum": [
+              "pay_and_retry",
+              "authorize_and_use_mcp_credits",
+              "payment_unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "type",
+          "target",
+          "instruction"
+        ],
+        "type": "object"
+      },
+      "payment": {
+        "additionalProperties": false,
+        "properties": {
+          "endpoint": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "method": {
+            "const": "POST",
+            "type": "string"
+          },
+          "retrySameBody": {
+            "const": true,
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "endpoint",
+          "method",
+          "retrySameBody"
+        ],
+        "type": "object"
+      },
+      "paymentGuidance": {},
+      "preview": {
+        "additionalProperties": false,
+        "properties": {
+          "fullResultAvailable": {
+            "const": true,
+            "type": "boolean"
+          },
+          "inputAccepted": {
+            "const": true,
+            "type": "boolean"
+          },
+          "summary": {
+            "type": "string"
+          },
+          "useCases": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "inputAccepted",
+          "fullResultAvailable",
+          "summary",
+          "useCases"
+        ],
+        "type": "object"
+      },
+      "price": {
+        "additionalProperties": false,
+        "properties": {
+          "amount": {
+            "minimum": 0,
+            "type": "number"
+          },
+          "currency": {
+            "type": "string"
+          },
+          "protocol": {
+            "enum": [
+              "x402",
+              "api_credits",
+              "subscription",
+              "l402",
+              "mpp",
+              "unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount",
+          "currency",
+          "protocol"
+        ],
+        "type": "object"
+      },
+      "requestId": {
+        "type": "string"
+      },
+      "status": {
+        "const": "payment_required",
+        "type": "string"
+      },
+      "tool": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "tool",
+      "requestId",
+      "price",
+      "preview",
+      "payment",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]
    • removedOutput schema / properties
      Removed value: -{
-  "properties": {
-    "items": {
-      "additionalProperties": false,
-      "properties": {
-        "annualNetIncome": {
-          "type": "number"
-        },
-        "annualOperatingCost": {
-          "type": "number"
-        },
-        "annualOperatingCosts": {
-          "type": "number"
-        },
-        "annualRent": {
-          "type": "number"
-        },
-        "currency": {
-          "const": "OMR",
-          "type": "string"
-        },
-        "effectiveAnnualRent": {
-          "type": "number"
-        },
-        "grossAnnualIncome": {
-          "type": "number"
-        },
-        "grossYield": {
-          "type": "number"
-        },
-        "grossYieldPct": {
-          "type": "number"
-        },
-        "name": {
-          "type": "string"
-        },
-        "netYield": {
-          "type": "number"
-        },
-        "netYieldPct": {
-          "type": "number"
-        },
-        "note": {
-          "type": "string"
-        },
-        "paybackYears": {
-          "type": [
-            "number",
-            "null"
-          ]
-        },
-        "propertyValue": {
-          "type": "number"
-        }
-      },
-      "required": [
-        "propertyValue",
-        "annualRent",
-        "grossAnnualIncome",
-        "grossYield",
-        "netYield",
-        "annualOperatingCost",
-        "annualNetIncome",
-        "effectiveAnnualRent",
-        "paybackYears",
-        "grossYieldPct",
-        "netYieldPct",
-        "annualOperatingCosts",
-        "currency",
-        "note",
-        "name"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  "sortedByNetYield": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  }
-}
    • removedOutput schema / required
      Removed value: -[
-  "properties",
-  "sortedByNetYield"
-]
  2. Changed4 schema fields changed
    • addedOutput schema / additionalProperties
      Added value: +false
    • removedOutput schema / anyOf
      Removed value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "properties": {
-        "items": {
-          "additionalProperties": false,
-          "properties": {
-            "annualNetIncome": {
-              "type": "number"
-            },
-            "annualOperatingCost": {
-              "type": "number"
-            },
-            "annualOperatingCosts": {
-              "type": "number"
-            },
-            "annualRent": {
-              "type": "number"
-            },
-            "currency": {
-              "const": "OMR",
-              "type": "string"
-            },
-            "effectiveAnnualRent": {
-              "type": "number"
-            },
-            "grossAnnualIncome": {
-              "type": "number"
-            },
-            "grossYield": {
-              "type": "number"
-            },
-            "grossYieldPct": {
-              "type": "number"
-            },
-            "name": {
-              "type": "string"
-            },
-            "netYield": {
-              "type": "number"
-            },
-            "netYieldPct": {
-              "type": "number"
-            },
-            "note": {
-              "type": "string"
-            },
-            "paybackYears": {
-              "type": [
-                "number",
-                "null"
-              ]
-            },
-            "propertyValue": {
-              "type": "number"
-            }
-          },
-          "required": [
-            "propertyValue",
-            "annualRent",
-            "grossAnnualIncome",
-            "grossYield",
-            "netYield",
-            "annualOperatingCost",
-            "annualNetIncome",
-            "effectiveAnnualRent",
-            "paybackYears",
-            "grossYieldPct",
-            "netYieldPct",
-            "annualOperatingCosts",
-            "currency",
-            "note",
-            "name"
-          ],
-          "type": "object"
-        },
-        "type": "array"
-      },
-      "sortedByNetYield": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      }
-    },
-    "required": [
-      "properties",
-      "sortedByNetYield"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "nextAction": {
-        "additionalProperties": false,
-        "properties": {
-          "instruction": {
-            "type": "string"
-          },
-          "target": {
-            "enum": [
-              "x402_endpoint",
-              "mcp_credits_endpoint",
-              "payment_endpoint",
-              "unavailable"
-            ],
-            "type": "string"
-          },
-          "type": {
-            "enum": [
-              "pay_and_retry",
-              "authorize_and_use_mcp_credits",
-              "payment_unavailable"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "type",
-          "target",
-          "instruction"
-        ],
-        "type": "object"
-      },
-      "payment": {
-        "additionalProperties": false,
-        "properties": {
-          "endpoint": {
-            "type": [
-              "string",
-              "null"
-            ]
-          },
-          "method": {
-            "const": "POST",
-            "type": "string"
-          },
-          "retrySameBody": {
-            "const": true,
-            "type": "boolean"
-          }
-        },
-        "required": [
-          "endpoint",
-          "method",
-          "retrySameBody"
-        ],
-        "type": "object"
-      },
-      "paymentGuidance": {},
-      "preview": {
-        "additionalProperties": false,
-        "properties": {
-          "fullResultAvailable": {
-            "const": true,
-            "type": "boolean"
-          },
-          "inputAccepted": {
-            "const": true,
-            "type": "boolean"
-          },
-          "summary": {
-            "type": "string"
-          },
-          "useCases": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          }
-        },
-        "required": [
-          "inputAccepted",
-          "fullResultAvailable",
-          "summary",
-          "useCases"
-        ],
-        "type": "object"
-      },
-      "price": {
-        "additionalProperties": false,
-        "properties": {
-          "amount": {
-            "minimum": 0,
-            "type": "number"
-          },
-          "currency": {
-            "type": "string"
-          },
-          "protocol": {
-            "enum": [
-              "x402",
-              "api_credits",
-              "subscription",
-              "l402",
-              "mpp",
-              "unavailable"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "amount",
-          "currency",
-          "protocol"
-        ],
-        "type": "object"
-      },
-      "requestId": {
-        "type": "string"
-      },
-      "status": {
-        "const": "payment_required",
-        "type": "string"
-      },
-      "tool": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "tool",
-      "requestId",
-      "price",
-      "preview",
-      "payment",
-      "nextAction"
-    ],
-    "type": "object"
-  }
-]
    • addedOutput schema / properties
      Added value: +{
+  "properties": {
+    "items": {
+      "additionalProperties": false,
+      "properties": {
+        "annualNetIncome": {
+          "type": "number"
+        },
+        "annualOperatingCost": {
+          "type": "number"
+        },
+        "annualOperatingCosts": {
+          "type": "number"
+        },
+        "annualRent": {
+          "type": "number"
+        },
+        "currency": {
+          "const": "OMR",
+          "type": "string"
+        },
+        "effectiveAnnualRent": {
+          "type": "number"
+        },
+        "grossAnnualIncome": {
+          "type": "number"
+        },
+        "grossYield": {
+          "type": "number"
+        },
+        "grossYieldPct": {
+          "type": "number"
+        },
+        "name": {
+          "type": "string"
+        },
+        "netYield": {
+          "type": "number"
+        },
+        "netYieldPct": {
+          "type": "number"
+        },
+        "note": {
+          "type": "string"
+        },
+        "paybackYears": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "propertyValue": {
+          "type": "number"
+        }
+      },
+      "required": [
+        "propertyValue",
+        "annualRent",
+        "grossAnnualIncome",
+        "grossYield",
+        "netYield",
+        "annualOperatingCost",
+        "annualNetIncome",
+        "effectiveAnnualRent",
+        "paybackYears",
+        "grossYieldPct",
+        "netYieldPct",
+        "annualOperatingCosts",
+        "currency",
+        "note",
+        "name"
+      ],
+      "type": "object"
+    },
+    "type": "array"
+  },
+  "sortedByNetYield": {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+}
    • addedOutput schema / required
      Added value: +[
+  "properties",
+  "sortedByNetYield"
+]
  3. Changed1 schema field changed
    • changedOutput schema / anyOf
      Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "properties": {
-        "items": {
-          "additionalProperties": false,
-          "properties": {
-            "annualNetIncome": {
-              "type": "number"
-            },
-            "annualOperatingCost": {
-              "type": "number"
-            },
-            "annualOperatingCosts": {
-              "type": "number"
-            },
-            "annualRent": {
-              "type": "number"
-            },
-            "currency": {
-              "const": "OMR",
-              "type": "string"
-            },
-            "effectiveAnnualRent": {
-              "type": "number"
-            },
-            "grossAnnualIncome": {
-              "type": "number"
-            },
-            "grossYield": {
-              "type": "number"
-            },
-            "grossYieldPct": {
-              "type": "number"
-            },
-            "name": {
-              "type": "string"
-            },
-            "netYield": {
-              "type": "number"
-            },
-            "netYieldPct": {
-              "type": "number"
-            },
-            "note": {
-              "type": "string"
-            },
-            "paybackYears": {
-              "type": [
-                "number",
-                "null"
-              ]
-            },
-            "propertyValue": {
-              "type": "number"
-            }
-          },
-          "required": [
-            "propertyValue",
-            "annualRent",
-            "grossAnnualIncome",
-            "grossYield",
-            "netYield",
-            "annualOperatingCost",
-            "annualNetIncome",
-            "effectiveAnnualRent",
-            "paybackYears",
-            "grossYieldPct",
-            "netYieldPct",
-            "annualOperatingCosts",
-            "currency",
-            "note",
-            "name"
-          ],
-          "type": "object"
-        },
-        "type": "array"
-      },
-      "sortedByNetYield": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      }
-    },
-    "required": [
-      "properties",
-      "sortedByNetYield"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "nextAction": {
-        "additionalProperties": false,
-        "properties": {
-          "instruction": {
-            "type": "string"
-          },
-          "target": {
-            "const": "x402_endpoint",
-            "type": "string"
-          },
-          "type": {
-            "const": "pay_and_retry",
-            "type": "string"
-          }
-        },
-        "required": [
-          "type",
-          "target",
-          "instruction"
-        ],
-        "type": "object"
-      },
-      "payment": {
-        "additionalProperties": false,
-        "properties": {
-          "endpoint": {
-            "type": "string"
-          },
-          "method": {
-            "const": "POST",
-            "type": "string"
-          },
-          "retrySameBody": {
-            "const": true,
-            "type": "boolean"
-          }
-        },
-        "required": [
-          "endpoint",
-          "method",
-          "retrySameBody"
-        ],
-        "type": "object"
-      },
-      "preview": {
-        "additionalProperties": false,
-        "properties": {
-          "fullResultAvailable": {
-            "const": true,
-            "type": "boolean"
-          },
-          "inputAccepted": {
-            "const": true,
-            "type": "boolean"
-          },
-          "summary": {
-            "type": "string"
-          },
-          "useCases": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          }
-        },
-        "required": [
-          "inputAccepted",
-          "fullResultAvailable",
-          "summary",
-          "useCases"
-        ],
-        "type": "object"
-      },
-      "price": {
-        "additionalProperties": false,
-        "properties": {
-          "amount": {
-            "minimum": 0,
-            "type": "number"
-          },
-          "currency": {
-            "type": "string"
-          },
-          "protocol": {
-            "const": "x402",
-            "type": "string"
-          }
-        },
-        "required": [
-          "amount",
-          "currency",
-          "protocol"
-        ],
-        "type": "object"
-      },
-      "requestId": {
-        "type": "string"
-      },
-      "status": {
-        "const": "payment_required",
-        "type": "string"
-      },
-      "tool": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "tool",
-      "requestId",
-      "price",
-      "preview",
-      "payment",
-      "nextAction"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "properties": {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "annualNetIncome": {
+              "type": "number"
+            },
+            "annualOperatingCost": {
+              "type": "number"
+            },
+            "annualOperatingCosts": {
+              "type": "number"
+            },
+            "annualRent": {
+              "type": "number"
+            },
+            "currency": {
+              "const": "OMR",
+              "type": "string"
+            },
+            "effectiveAnnualRent": {
+              "type": "number"
+            },
+            "grossAnnualIncome": {
+              "type": "number"
+            },
+            "grossYield": {
+              "type": "number"
+            },
+            "grossYieldPct": {
+              "type": "number"
+            },
+            "name": {
+              "type": "string"
+            },
+            "netYield": {
+              "type": "number"
+            },
+            "netYieldPct": {
+              "type": "number"
+            },
+            "note": {
+              "type": "string"
+            },
+            "paybackYears": {
+              "type": [
+                "number",
+                "null"
+              ]
+            },
+            "propertyValue": {
+              "type": "number"
+            }
+          },
+          "required": [
+            "propertyValue",
+            "annualRent",
+            "grossAnnualIncome",
+            "grossYield",
+            "netYield",
+            "annualOperatingCost",
+            "annualNetIncome",
+            "effectiveAnnualRent",
+            "paybackYears",
+            "grossYieldPct",
+            "netYieldPct",
+            "annualOperatingCosts",
+            "currency",
+            "note",
+            "name"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "sortedByNetYield": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      }
+    },
+    "required": [
+      "properties",
+      "sortedByNetYield"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "nextAction": {
+        "additionalProperties": false,
+        "properties": {
+          "instruction": {
+            "type": "string"
+          },
+          "target": {
+            "enum": [
+              "x402_endpoint",
+              "mcp_credits_endpoint",
+              "payment_endpoint",
+              "unavailable"
+            ],
+            "type": "string"
+          },
+          "type": {
+            "enum": [
+              "pay_and_retry",
+              "authorize_and_use_mcp_credits",
+              "payment_unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "type",
+          "target",
+          "instruction"
+        ],
+        "type": "object"
+      },
+      "payment": {
+        "additionalProperties": false,
+        "properties": {
+          "endpoint": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "method": {
+            "const": "POST",
+            "type": "string"
+          },
+          "retrySameBody": {
+            "const": true,
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "endpoint",
+          "method",
+          "retrySameBody"
+        ],
+        "type": "object"
+      },
+      "paymentGuidance": {},
+      "preview": {
+        "additionalProperties": false,
+        "properties": {
+          "fullResultAvailable": {
+            "const": true,
+            "type": "boolean"
+          },
+          "inputAccepted": {
+            "const": true,
+            "type": "boolean"
+          },
+          "summary": {
+            "type": "string"
+          },
+          "useCases": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "inputAccepted",
+          "fullResultAvailable",
+          "summary",
+          "useCases"
+        ],
+        "type": "object"
+      },
+      "price": {
+        "additionalProperties": false,
+        "properties": {
+          "amount": {
+            "minimum": 0,
+            "type": "number"
+          },
+          "currency": {
+            "type": "string"
+          },
+          "protocol": {
+            "enum": [
+              "x402",
+              "api_credits",
+              "subscription",
+              "l402",
+              "mpp",
+              "unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount",
+          "currency",
+          "protocol"
+        ],
+        "type": "object"
+      },
+      "requestId": {
+        "type": "string"
+      },
+      "status": {
+        "const": "payment_required",
+        "type": "string"
+      },
+      "tool": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "tool",
+      "requestId",
+      "price",
+      "preview",
+      "payment",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]
  4. Changed4 schema fields changed
    • removedOutput schema / additionalProperties
      Removed value: -false
    • addedOutput schema / anyOf
      Added value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "properties": {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "annualNetIncome": {
+              "type": "number"
+            },
+            "annualOperatingCost": {
+              "type": "number"
+            },
+            "annualOperatingCosts": {
+              "type": "number"
+            },
+            "annualRent": {
+              "type": "number"
+            },
+            "currency": {
+              "const": "OMR",
+              "type": "string"
+            },
+            "effectiveAnnualRent": {
+              "type": "number"
+            },
+            "grossAnnualIncome": {
+              "type": "number"
+            },
+            "grossYield": {
+              "type": "number"
+            },
+            "grossYieldPct": {
+              "type": "number"
+            },
+            "name": {
+              "type": "string"
+            },
+            "netYield": {
+              "type": "number"
+            },
+            "netYieldPct": {
+              "type": "number"
+            },
+            "note": {
+              "type": "string"
+            },
+            "paybackYears": {
+              "type": [
+                "number",
+                "null"
+              ]
+            },
+            "propertyValue": {
+              "type": "number"
+            }
+          },
+          "required": [
+            "propertyValue",
+            "annualRent",
+            "grossAnnualIncome",
+            "grossYield",
+            "netYield",
+            "annualOperatingCost",
+            "annualNetIncome",
+            "effectiveAnnualRent",
+            "paybackYears",
+            "grossYieldPct",
+            "netYieldPct",
+            "annualOperatingCosts",
+            "currency",
+            "note",
+            "name"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "sortedByNetYield": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      }
+    },
+    "required": [
+      "properties",
+      "sortedByNetYield"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "nextAction": {
+        "additionalProperties": false,
+        "properties": {
+          "instruction": {
+            "type": "string"
+          },
+          "target": {
+            "const": "x402_endpoint",
+            "type": "string"
+          },
+          "type": {
+            "const": "pay_and_retry",
+            "type": "string"
+          }
+        },
+        "required": [
+          "type",
+          "target",
+          "instruction"
+        ],
+        "type": "object"
+      },
+      "payment": {
+        "additionalProperties": false,
+        "properties": {
+          "endpoint": {
+            "type": "string"
+          },
+          "method": {
+            "const": "POST",
+            "type": "string"
+          },
+          "retrySameBody": {
+            "const": true,
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "endpoint",
+          "method",
+          "retrySameBody"
+        ],
+        "type": "object"
+      },
+      "preview": {
+        "additionalProperties": false,
+        "properties": {
+          "fullResultAvailable": {
+            "const": true,
+            "type": "boolean"
+          },
+          "inputAccepted": {
+            "const": true,
+            "type": "boolean"
+          },
+          "summary": {
+            "type": "string"
+          },
+          "useCases": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "inputAccepted",
+          "fullResultAvailable",
+          "summary",
+          "useCases"
+        ],
+        "type": "object"
+      },
+      "price": {
+        "additionalProperties": false,
+        "properties": {
+          "amount": {
+            "minimum": 0,
+            "type": "number"
+          },
+          "currency": {
+            "type": "string"
+          },
+          "protocol": {
+            "const": "x402",
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount",
+          "currency",
+          "protocol"
+        ],
+        "type": "object"
+      },
+      "requestId": {
+        "type": "string"
+      },
+      "status": {
+        "const": "payment_required",
+        "type": "string"
+      },
+      "tool": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "tool",
+      "requestId",
+      "price",
+      "preview",
+      "payment",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]
    • removedOutput schema / properties
      Removed value: -{
-  "properties": {
-    "items": {
-      "additionalProperties": false,
-      "properties": {
-        "annualNetIncome": {
-          "type": "number"
-        },
-        "annualOperatingCost": {
-          "type": "number"
-        },
-        "annualOperatingCosts": {
-          "type": "number"
-        },
-        "annualRent": {
-          "type": "number"
-        },
-        "currency": {
-          "const": "OMR",
-          "type": "string"
-        },
-        "effectiveAnnualRent": {
-          "type": "number"
-        },
-        "grossAnnualIncome": {
-          "type": "number"
-        },
-        "grossYield": {
-          "type": "number"
-        },
-        "grossYieldPct": {
-          "type": "number"
-        },
-        "name": {
-          "type": "string"
-        },
-        "netYield": {
-          "type": "number"
-        },
-        "netYieldPct": {
-          "type": "number"
-        },
-        "note": {
-          "type": "string"
-        },
-        "paybackYears": {
-          "type": [
-            "number",
-            "null"
-          ]
-        },
-        "propertyValue": {
-          "type": "number"
-        }
-      },
-      "required": [
-        "propertyValue",
-        "annualRent",
-        "grossAnnualIncome",
-        "grossYield",
-        "netYield",
-        "annualOperatingCost",
-        "annualNetIncome",
-        "effectiveAnnualRent",
-        "paybackYears",
-        "grossYieldPct",
-        "netYieldPct",
-        "annualOperatingCosts",
-        "currency",
-        "note",
-        "name"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  "sortedByNetYield": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  }
-}
    • removedOutput schema / required
      Removed value: -[
-  "properties",
-  "sortedByNetYield"
-]
  5. First observed

TDQS

A3.6/5.0
Behavior4/5

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

Annotations already cover the safety profile (readOnly, idempotent, non-destructive), and the description usefully adds traits those annotations cannot express: deterministic ordering by rounded net yield with input-order tie-breaking, and the x402 payment model where an unpaid MCP call returns payment instructions.

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 ranking rule and payment terms are front-loaded and useful, but the 'When'/'Selection' sentences are redundant with each other (the 'prefer for' phrase repeats the preceding sentence verbatim and ungrammatically), which is wasted tokens in a short description.

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

Completeness4/5

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

An output schema exists so return format need not be explained, and the description covers the two things an agent must know before calling: the input is a strict JSON object and the call is paid per execution via x402. Only the sibling-routing guidance is thin.

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

Parameters3/5

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

Schema description coverage is 0% and the single parameter is a nested object of required fields (name, annualRent, propertyValue). The description contributes the 'uniquely named' uniqueness constraint and 'same metrics' comparability requirement, but leaves the per-field meaning (maintenance vs maintenanceCost alias, vacancyRatePct) entirely to the schema.

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

Purpose4/5

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

States a concrete verb and resource ('Compare 2–20 uniquely named properties in OMR'), the shared metric basis, and the ranking rule (rounded net yield, ties in input order). It clearly separates itself from the single-property siblings like analyze_property, though it never names them.

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

Usage Guidelines3/5

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

The 'When' clause gives a usable trigger (rank or choose between 2-20 candidates by net yield), but the follow-up 'Selection: supporting; prefer for Use when...' is a garbled duplication that adds no information, and no exclusion against sibling tools (analyze_property, property_investment_report) is offered.

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

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