agentwebmap

Register domain

register_domain

Idempotent

Submit a domain that publishes an llms.txt so it gets crawled and indexed. Returns the verification instructions so you can continue without another call. Verified owners get: Manage your listing in the browser; ownership confirmation is optional for discovery; Breakage alerts by webhook, or email when configured, when the llms.txt stops validating; Your terms for agents (automated access, rate limit, attribution, pricing) published where agents read them; Editable profile: description, tags, nested llms.txt files, contact; Measured web, REST and MCP request counts, documentation selections, publisher clicks and score history; no unique-agent claims; Domain ownership confirmation shown separately from content quality or endorsement; Instant re-crawl on demand.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`domain`	Yes	A domain name such as example.com (no scheme, no path).

Output Schema

TableJSON Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 19, 2026

changedOutput schema / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "benefits": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "domain": {
-        "type": "string"
-      },
-      "lookup": {
-        "type": "string"
-      },
-      "queued": {
-        "type": "boolean"
-      },
-      "status": {
-        "enum": [
-          "pending",
-          "valid",
-          "invalid",
-          "unreachable"
-        ],
-        "type": "string"
-      },
-      "verification": {
-        "additionalProperties": false,
-        "properties": {
-          "domain": {
-            "type": "string"
-          },
-          "methods": {
-            "items": {
-              "additionalProperties": false,
-              "properties": {
-                "description": {
-                  "type": "string"
-                },
-                "method": {
-                  "enum": [
-                    "llms_txt",
-                    "dns",
-                    "meta",
-                    "well_known"
-                  ],
-                  "type": "string"
-                },
-                "snippet": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "method",
-                "description",
-                "snippet"
-              ],
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "token": {
-            "type": "string"
-          },
-          "verify_endpoint": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "domain",
-          "token",
-          "verify_endpoint",
-          "methods"
-        ],
-        "type": "object"
-      }
-    },
-    "required": [
-      "domain",
-      "status",
-      "queued",
-      "lookup",
-      "verification",
-      "benefits"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "detail": {
-        "type": "string"
-      },
-      "domain": {
-        "type": "string"
-      },
-      "error": {
-        "type": "string"
-      },
-      "hint": {
-        "type": "string"
-      },
-      "retry_after_seconds": {
-        "type": "integer"
-      }
-    },
-    "required": [
-      "error"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "benefits": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "domain": {
+        "type": "string"
+      },
+      "lookup": {
+        "type": "string"
+      },
+      "queued": {
+        "type": "boolean"
+      },
+      "status": {
+        "enum": [
+          "pending",
+          "valid",
+          "invalid",
+          "unreachable"
+        ],
+        "type": "string"
+      },
+      "verification": {
+        "additionalProperties": false,
+        "properties": {
+          "claim_endpoint": {
+            "type": "string"
+          },
+          "domain": {
+            "type": "string"
+          },
+          "hint": {
+            "type": "string"
+          },
+          "manage": {
+            "type": "string"
+          },
+          "methods": {
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "description": {
+                  "type": "string"
+                },
+                "method": {
+                  "enum": [
+                    "llms_txt",
+                    "dns",
+                    "meta",
+                    "well_known"
+                  ],
+                  "type": "string"
+                },
+                "snippet": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "method",
+                "description"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "note": {
+            "type": "string"
+          },
+          "token": {
+            "type": "string"
+          },
+          "verify_endpoint": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "domain",
+          "verify_endpoint",
+          "methods"
+        ],
+        "type": "object"
+      }
+    },
+    "required": [
+      "domain",
+      "status",
+      "queued",
+      "lookup",
+      "verification",
+      "benefits"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": true,
+    "properties": {
+      "detail": {
+        "type": "string"
+      },
+      "domain": {
+        "type": "string"
+      },
+      "error": {
+        "type": "string"
+      },
+      "hint": {
+        "type": "string"
+      },
+      "retry_after_seconds": {
+        "type": "integer"
+      }
+    },
+    "required": [
+      "error"
+    ],
+    "type": "object"
+  }
+]

Changed3 schema fields changedOct 19, 2026

addedInput schema / properties / domain / maxLength
```
Added value: +253
```
addedInput schema / properties / domain / minLength
```
Added value: +1
```

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "properties": {
+        "benefits": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "domain": {
+          "type": "string"
+        },
+        "lookup": {
+          "type": "string"
+        },
+        "queued": {
+          "type": "boolean"
+        },
+        "status": {
+          "enum": [
+            "pending",
+            "valid",
+            "invalid",
+            "unreachable"
+          ],
+          "type": "string"
+        },
+        "verification": {
+          "additionalProperties": false,
+          "properties": {
+            "domain": {
+              "type": "string"
+            },
+            "methods": {
+              "items": {
+                "additionalProperties": false,
+                "properties": {
+                  "description": {
+                    "type": "string"
+                  },
+                  "method": {
+                    "enum": [
+                      "llms_txt",
+                      "dns",
+                      "meta",
+                      "well_known"
+                    ],
+                    "type": "string"
+                  },
+                  "snippet": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "method",
+                  "description",
+                  "snippet"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            },
+            "token": {
+              "type": "string"
+            },
+            "verify_endpoint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "domain",
+            "token",
+            "verify_endpoint",
+            "methods"
+          ],
+          "type": "object"
+        }
+      },
+      "required": [
+        "domain",
+        "status",
+        "queued",
+        "lookup",
+        "verification",
+        "benefits"
+      ],
+      "type": "object"
+    },
+    {
+      "additionalProperties": true,
+      "properties": {
+        "detail": {
+          "type": "string"
+        },
+        "domain": {
+          "type": "string"
+        },
+        "error": {
+          "type": "string"
+        },
+        "hint": {
+          "type": "string"
+        },
+        "retry_after_seconds": {
+          "type": "integer"
+        }
+      },
+      "required": [
+        "error"
+      ],
+      "type": "object"
+    }
+  ],
+  "type": "object"
+}

First observedOct 18, 2026

TDQS

B3.2/5.0

Behavior3/5

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

Annotations already declare this is a non-destructive, idempotent, open-world write, and the description adds useful behavior: it returns verification instructions in the same call. However it never states auth/permission requirements, and the long benefits list describes post-verification outcomes rather than the behavior of this invocation. No contradiction with annotations.

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

Conciseness2/5

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

The core purpose is front-loaded well, but it is followed by a sprawling, semi-colon-fragmented benefits dump (breakage alerts, terms for agents, editable profile, score history, 'no unique-agent claims') that is largely irrelevant to selecting or invoking the tool. Most of that copy does not earn its place.

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

Completeness3/5

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

An output schema exists, so return values need no explanation, yet the description spends most of its length on benefits/returns anyway. For a one-parameter tool this is adequate on mechanics but omits the usage context (prerequisites, relation to claim/verify flow) that an agent would need to sequence calls correctly.

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 coverage is 100% on the single domain parameter and the schema already specifies format (no scheme, no path). The description only adds that the domain must publish an llms.txt, which is scope rather than parameter syntax. Baseline 3 is correct when the schema does the work.

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?

The first sentence gives a specific verb and resource: submit a domain that publishes an llms.txt so it gets crawled and indexed. That is enough to distinguish it from lookup_domain, list_domains and check_llms_txt. It does not explicitly name a sibling, but the action is unambiguous.

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?

There is no explicit 'use this when' statement, but 'Returns the verification instructions so you can continue without another call' implicitly routes the agent away from a separate verification_instructions call. Nothing tells the agent when to prefer this over begin_ownership_claim or what prerequisites (e.g. ownership) are needed.

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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