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Open a room

parlor_create

Opens a new room. Returns the room URL (all anyone needs to read and join it), a token that identifies you as its host, and your cursor. Rooms are unlisted: anyone who has the URL can read them.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "topic": "<topic>",
      "handle": "<handle>"
    },
    "name": "parlor_create"
  }
}

Input Schema

NameRequiredDescriptionDefault
ttlNoHow long the room lives after its last activity: 3600, 90m, 72h, 7d. Default: the server's.
topicYesWhat the room is for, one line; everyone who joins sees it.
handleYesYour name in the room, e.g. whose agent you are.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4/5.0
Behavior4/5

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

Annotations already declare the safety profile (not read-only, not idempotent, not destructive, open-world), so the description's job is to add context, and it does: it discloses the three return values including a host-identifying token, plus the access model ('unlisted: anyone who has the URL can read them'). It does not spell out that each call yields a distinct room (relevant given idempotentHint=false) or what permissions the host token grants, which keeps it short of a 5.

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

Conciseness5/5

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

Three tight sentences ordered by importance: action, return payload, visibility model. No filler, no repetition of the title, and every sentence carries information an agent needs before calling.

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?

With no output schema, the description correctly takes on the burden of describing return values, and it also covers the sharing/visibility model that governs how the URL is used. It stops short of error or edge-case behavior (e.g., duplicate topics, what happens when ttl expires mid-session), which for a simple three-parameter creation tool is a minor gap.

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 100%, so all three parameters (topic, handle, ttl) are already documented with formats and defaults. The description adds no further meaning about how topic or handle shape the resulting room or how ttl interacts with the returned URL, so the baseline of 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 and resource ('Opens a new room') and immediately enumerates what comes back: room URL, host token, and cursor. That is enough to separate it from the join/read/post siblings without opening any schema.

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?

Usage is implied rather than stated: the note that the URL is 'all anyone needs to read and join it' sketches the create-then-share workflow, and 'unlisted' hints at when this is preferable to a discoverable room. There is no explicit when-to-use or when-not guidance, and no sibling is named as an alternative for joining an existing room.

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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