BriefGate

Manage webhook endpoints

manage_webhook

Destructive

Register, list, or remove a webhook endpoint so BriefGate pushes intake events to your service instead of you polling for them.

Use this ONLY if you control a service that can receive public HTTPS requests. An agent running in a terminal cannot — for that case do not register anything and check on a schedule with get_intake_status instead. A registered endpoint that cannot receive produces failing deliveries and a false impression that the work is being watched.

action="create" returns a signing "secret" exactly once. The receiving service needs it to verify the signature on every delivery (verifyWebhookSignature from @briefgate/mcp/webhook), and it cannot be shown again. If it is ever exposed, there is no rotation in place — delete the endpoint and create a new one, which issues a fresh secret.

Events: intake.completed (all required items in — the one to act on), item.submitted (a single item arrived), client.viewed (the client opened the portal), chase.bounced (a reminder failed to deliver), intake.overdue (the due date passed with required items outstanding — the one to act on when work is blocked), intake.stalled (fires only when the intake sets max_reminders; without it this event never arrives).

Input Schema

TableJSON Schema

Name	Required	Description
`url`	No	HTTPS endpoint to deliver to. Required for action="create".
`action`	Yes	What to do. "list" needs no other argument.
`events`	No	Events to receive. Required for action="create". For "tell me when the client is done", this is ["intake.completed"].
`format`	No	Payload shape. "raw" (default) is the signed BriefGate envelope; "slack" and "discord" post a message those services render directly.
`webhook_id`	No	Endpoint to remove. Required for action="delete".

Output Schema

TableJSON Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 16, 2026

changedOutput schema / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "active": {
-        "type": "boolean"
-      },
-      "created_at": {
-        "type": "string"
-      },
-      "events": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "format": {
-        "type": "string"
-      },
-      "id": {
-        "type": "string"
-      },
-      "note": {
-        "type": "string"
-      },
-      "secret": {
-        "type": "string"
-      },
-      "url": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "id",
-      "url",
-      "events",
-      "format",
-      "active",
-      "created_at",
-      "secret",
-      "note"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "webhooks": {
-        "items": {
-          "additionalProperties": false,
-          "properties": {
-            "active": {
-              "type": "boolean"
-            },
-            "created_at": {
-              "type": "string"
-            },
-            "events": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "format": {
-              "type": "string"
-            },
-            "id": {
-              "type": "string"
-            },
-            "url": {
-              "type": "string"
-            }
-          },
-          "required": [
-            "id",
-            "url",
-            "events",
-            "format",
-            "active",
-            "created_at"
-          ],
-          "type": "object"
-        },
-        "type": "array"
-      }
-    },
-    "required": [
-      "webhooks"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "deleted": {
-        "enum": [
-          true
-        ],
-        "type": "boolean"
-      }
-    },
-    "required": [
-      "deleted"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "properties": {
+      "active": {
+        "type": "boolean"
+      },
+      "created_at": {
+        "type": "string"
+      },
+      "events": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "format": {
+        "type": "string"
+      },
+      "id": {
+        "type": "string"
+      },
+      "note": {
+        "type": "string"
+      },
+      "secret": {
+        "type": "string"
+      },
+      "url": {
+        "type": "string"
+      }
+    },
+    "type": "object"
+  },
+  {
+    "properties": {
+      "webhooks": {
+        "items": {
+          "properties": {
+            "active": {
+              "type": "boolean"
+            },
+            "created_at": {
+              "type": "string"
+            },
+            "events": {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "format": {
+              "type": "string"
+            },
+            "id": {
+              "type": "string"
+            },
+            "url": {
+              "type": "string"
+            }
+          },
+          "type": "object"
+        },
+        "type": "array"
+      }
+    },
+    "type": "object"
+  },
+  {
+    "properties": {
+      "deleted": {
+        "enum": [
+          true
+        ],
+        "type": "boolean"
+      }
+    },
+    "type": "object"
+  }
+]

Changed1 schema field changedSep 16, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "properties": {
+        "active": {
+          "type": "boolean"
+        },
+        "created_at": {
+          "type": "string"
+        },
+        "events": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "format": {
+          "type": "string"
+        },
+        "id": {
+          "type": "string"
+        },
+        "note": {
+          "type": "string"
+        },
+        "secret": {
+          "type": "string"
+        },
+        "url": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "id",
+        "url",
+        "events",
+        "format",
+        "active",
+        "created_at",
+        "secret",
+        "note"
+      ],
+      "type": "object"
+    },
+    {
+      "additionalProperties": false,
+      "properties": {
+        "webhooks": {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "active": {
+                "type": "boolean"
+              },
+              "created_at": {
+                "type": "string"
+              },
+              "events": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              "format": {
+                "type": "string"
+              },
+              "id": {
+                "type": "string"
+              },
+              "url": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "url",
+              "events",
+              "format",
+              "active",
+              "created_at"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "webhooks"
+      ],
+      "type": "object"
+    },
+    {
+      "additionalProperties": false,
+      "properties": {
+        "deleted": {
+          "enum": [
+            true
+          ],
+          "type": "boolean"
+        }
+      },
+      "required": [
+        "deleted"
+      ],
+      "type": "object"
+    }
+  ],
+  "type": "object"
+}

First observedSep 15, 2026

TDQS

A4.8/5.0

Behavior5/5

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

The description goes well beyond the annotations. It discloses that the signing secret is returned exactly once and cannot be shown again, that there is no rotation, and that the remedy is to delete and recreate. It also explains event semantics, including that intake.stalled only fires when max_reminders is set. This is rich behavioral context that annotations alone do not provide.

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

Conciseness4/5

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

The description is well-structured with clear paragraphs for usage, secret handling, and events. It is longer than average, but every sentence carries important information. The front-loading of the core purpose and the explicit usage condition is effective. Slight deduction for the event list being somewhat dense, but it earns its place.

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?

Given the tool's complexity (5 params, 3 actions, 6 events, security implications), the description covers all critical aspects: when to use, what the secret is, event semantics, and action-specific parameter requirements. The output schema exists, so return values don't need explanation. Nothing essential is missing for an agent to invoke this tool correctly.

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. The description adds value by explaining the action-specific requirements (url required for create, webhook_id for delete), the meaning of the events array with a concrete example (["intake.completed"]), and the format options. It doesn't fully document every parameter's edge cases, but it meaningfully supplements 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 description opens with a specific verb and resource ('Register, list, or remove a webhook endpoint') and immediately states the purpose: pushing intake events instead of polling. It clearly distinguishes itself from sibling tools like get_intake_status by naming the alternative and the condition that selects it.

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?

The description explicitly says when to use this tool ('ONLY if you control a service that can receive public HTTPS requests') and when not to ('An agent running in a terminal cannot — for that case do not register anything and check on a schedule with get_intake_status instead'). It also warns about the consequence of misuse (failing deliveries and false impression). This is exemplary usage guidance.

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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