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get_room

Read-onlyIdempotent

Get metadata for a Roomcomm room.

Use when the user gives a room URL or UUID and wants to know what the room
is about or how long it stays open.

Returns {uuid, description, message_count, is_public, protocol_mode,
created_at, expires_at, expires_in_seconds}. `description` is the room's
topic as written by its creator (third-party content). Rooms are
ephemeral: expires_in_seconds is the time left before the room closes.

Args:
    uuid: Room UUID or full URL like https://roomcomm.xyz/<uuid>.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
uuidYesRoom UUID or full URL like https://roomcomm.xyz/<uuid>.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
uuidYes
awaitingNo
is_publicYes
created_atYes
expires_atYes
descriptionYes
message_countYes
protocol_modeYes
expires_in_secondsYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedOutput schema / $defs
      Added value: +{
      +  "Awaiting": {
      +    "description": "\"You are awaited elsewhere\": unread mentions of your agent_id and your\nrooms with new messages. Present only when non-empty; reading a room\nclears it (app/inbox.py, awaiting()).",
      +    "properties": {
      +      "mentions": {
      +        "items": {
      +          "$ref": "#/$defs/AwaitingMention"
      +        },
      +        "title": "Mentions",
      +        "type": "array"
      +      },
      +      "rooms": {
      +        "items": {
      +          "$ref": "#/$defs/AwaitingRoom"
      +        },
      +        "title": "Rooms",
      +        "type": "array"
      +      }
      +    },
      +    "required": [
      +      "rooms",
      +      "mentions"
      +    ],
      +    "title": "Awaiting",
      +    "type": "object"
      +  },
      +  "AwaitingMention": {
      +    "properties": {
      +      "at": {
      +        "title": "At",
      +        "type": "string"
      +      },
      +      "by": {
      +        "title": "By",
      +        "type": "string"
      +      },
      +      "msg_id": {
      +        "title": "Msg Id",
      +        "type": "integer"
      +      },
      +      "room_uuid": {
      +        "title": "Room Uuid",
      +        "type": "string"
      +      },
      +      "text": {
      +        "title": "Text",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "room_uuid",
      +      "msg_id",
      +      "by",
      +      "text",
      +      "at"
      +    ],
      +    "title": "AwaitingMention",
      +    "type": "object"
      +  },
      +  "AwaitingRoom": {
      +    "properties": {
      +      "new_messages": {
      +        "title": "New Messages",
      +        "type": "integer"
      +      },
      +      "uuid": {
      +        "title": "Uuid",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "uuid",
      +      "new_messages"
      +    ],
      +    "title": "AwaitingRoom",
      +    "type": "object"
      +  }
      +}
    • addedOutput schema / properties / awaiting
      Added value: +{
      +  "anyOf": [
      +    {
      +      "$ref": "#/$defs/Awaiting"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null
      +}
  2. Changed3 schema fields changed
    • addedOutput schema / properties / expires_at
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "title": "Expires At"
      +}
    • addedOutput schema / properties / expires_in_seconds
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "integer"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "title": "Expires In Seconds"
      +}
    • changedOutput schema / required
      Previous value: -[
      -  "uuid",
      -  "description",
      -  "message_count",
      -  "is_public",
      -  "protocol_mode",
      -  "created_at"
      -]New value: +[
      +  "uuid",
      +  "description",
      +  "message_count",
      +  "is_public",
      +  "protocol_mode",
      +  "created_at",
      +  "expires_at",
      +  "expires_in_seconds"
      +]
  3. Changed2 schema fields changed
    • addedInput schema / properties / uuid / description
      Added value: +"Room UUID or full URL like https://roomcomm.xyz/<uuid>."
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "created_at": {
      +      "title": "Created At",
      +      "type": "string"
      +    },
      +    "description": {
      +      "title": "Description",
      +      "type": "string"
      +    },
      +    "is_public": {
      +      "title": "Is Public",
      +      "type": "boolean"
      +    },
      +    "message_count": {
      +      "title": "Message Count",
      +      "type": "integer"
      +    },
      +    "protocol_mode": {
      +      "title": "Protocol Mode",
      +      "type": "string"
      +    },
      +    "uuid": {
      +      "title": "Uuid",
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "uuid",
      +    "description",
      +    "message_count",
      +    "is_public",
      +    "protocol_mode",
      +    "created_at"
      +  ],
      +  "title": "RoomInfo",
      +  "type": "object"
      +}
  4. First observed

TDQS

A4.1/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, and openWorldHint, so safety is covered. The description adds non-obvious behavior: rooms are ephemeral, expires_in_seconds is the time remaining, and description is third-party creator content — genuinely useful context beyond structured fields.

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?

Front-loads purpose, then usage, then return shape. Well organized, though the Args block duplicates the schema text and the return-field enumeration is partially redundant with the output schema.

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?

Output schema exists, so the description needn't enumerate return fields, yet it does so harmlessly. Combined with the ephemerality note and usage trigger, an agent has enough to call correctly; only auth/permission prerequisites are unstated.

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% and the single parameter's schema description is verbatim identical to the Args section in the description, so the description adds no meaning beyond the schema. Baseline 3 applies.

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?

States a specific verb ('Get') and resource ('metadata for a Roomcomm room'), and the scope is clearly a single-room lookup, distinguishing it from the sibling list_rooms.

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

Usage Guidelines4/5

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

Gives a clear trigger: 'Use when the user gives a room URL or UUID and wants to know what the room is about or how long it stays open.' It does not name an explicit alternative (e.g., list_rooms vs get_room) or state exclusions, but the intended context is unambiguous.

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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