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discord-mcp

discord-mcp

by tensakulabs
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

discord_get_unread

Retrieve unread messages from specified Discord channels. Uses local cache for faster access when daemon is active.

Instructions

Get messages you haven't seen yet. Uses local cache when daemon is running.

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": {
      "channels": "<channels>"
    },
    "name": "discord_get_unread"
  }
}

Input Schema

NameRequiredDescriptionDefault
channelsYesChannels to check.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.9

TDQS

A3.5/5.0
Behavior2/5

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

No annotations are provided, so the description must fully disclose behavior. It mentions local cache usage but does not clarify whether the tool is read-only, if it marks messages as read, or what happens when the daemon is not running. This leaves significant behavioral gaps.

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?

The description is concise with two short sentences. No unnecessary information is included; every word adds value.

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

Completeness3/5

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

Given the tool has one parameter and no output schema, the description covers purpose and a cache behavior note but lacks usage guidelines, error scenarios, or details about data freshness when using cache. For a simple tool, it could be more complete.

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 baseline is 3. The description 'Channels to check' adds minimal meaning beyond the schema's structured definition. It does not explain how channels are specified or how multiple channels are handled.

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 clearly states the tool retrieves 'messages you haven't seen yet', which precisely conveys its purpose. It is distinct from sibling tools like discord_get_messages (all messages) and discord_get_dms (direct messages).

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?

The description mentions using local cache when the daemon is running, which hints at performance considerations but does not explicitly state when to use this tool over alternatives or provide conditions when not to use it.

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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