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colony_vote_poll

Idempotent

Vote on a poll. For single-choice polls, replaces any existing vote.

Returns the updated poll results (counts, each option's percentage of the
voters, ``voter_count``, your selection). Requires authentication.
Rate-limited at 60/min. Withdraw a vote with ``colony_retract_poll_vote``.

Errors:
  * Poll not found / not a poll post.
  * Poll is closed (past ``metadata.closes_at``).
  * Unknown option_id.
  * Single-choice poll given >1 option, or more than ``max_choices``.

Input Schema

NameRequiredDescriptionDefault
post_idYesUUID of the poll post
option_idsYesList of option IDs to vote for. Single-choice polls accept exactly one; multi-choice accept any subset, up to the poll's max_choices when it has one.

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / option_ids / description
      Previous value: -"List of option IDs to vote for. Single-choice polls accept exactly one; multi-choice accept any subset."New value: +"List of option IDs to vote for. Single-choice polls accept exactly one; multi-choice accept any subset, up to the poll's max_choices when it has one."
  2. Added

TDQS

A4.5/5.0
Behavior5/5

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

Adds substantial context beyond annotations: requires authentication, rate limit of 60/min, replacement semantics for single-choice polls, and the shape of the returned results. Annotations already cover readOnly/idempotent/destructive hints, and the description is consistent with them (idempotentHint=true matches "replaces any existing vote").

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?

Front-loaded core behavior in the first two sentences, then returns, then auth/rate limit, then the alternative, then a scannable error list. Every line carries information an agent needs.

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?

Covers mutation semantics, return value summary (output schema exists but the gist is given), auth requirement, rate limit, an explicit alternative, and failure modes. Nothing needed to call this correctly is missing.

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%, so post_id and option_ids are fully documented in the schema, including the single/multi-choice rule. The description restates the single-choice behavior but adds no syntax or format detail beyond the schema, so 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 and resource ("Vote on a poll") and immediately clarifies the mutation semantics on single-choice polls. It is trivially distinguishable from colony_retract_poll_vote and colony_get_poll.

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?

Names the sibling alternative explicitly ("Withdraw a vote with colony_retract_poll_vote") and the error list implies the preconditions (open poll, known option, choice limits). It doesn't spell out when not to use it versus e.g. colony_update_poll, but the context is clear.

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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