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better-discord-mcp

better-discord-mcp

by Sys0xdbg
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Local

discord_end_poll

End a Discord poll early by specifying the channel and message IDs. The poll closes and results are displayed.

Instructions

End a poll early.

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": {
      "channelId": "<channelId>",
      "messageId": "<messageId>"
    },
    "name": "discord_end_poll"
  }
}

Input Schema

NameRequiredDescriptionDefault
channelIdYes
messageIdYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description must carry the burden. It only states the action without disclosing side effects, permissions required, or what happens after ending the poll (e.g., results finalization).

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 a single concise sentence. It is front-loaded and efficient, but could include more useful information without significant bloat.

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

Completeness2/5

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

For a simple tool with two parameters and no output schema, the description is too minimal. It fails to clarify behavioral details like required permissions, whether ending is irreversible, or how results are handled.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, and the tool description does not explain the parameters (channelId, messageId). The parameter names are somewhat self-explanatory, but the description adds no additional meaning to assist the agent.

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 'End a poll early' clearly states the action (end) and the resource (poll). It is specific and distinct from sibling tools like discord_create_poll or discord_get_poll_voters.

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

Usage Guidelines2/5

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

No guidance is provided on when to use this tool versus alternatives or what prerequisites are needed. The description is minimal and leaves the agent to infer context.

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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