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Unpin message

unpin_message

Remove the pinned status from a message in a Discord channel while keeping the message intact.

Instructions

Unpin a message. The message itself is untouched.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
channelYesChannel name or ID.
guildNoGuild (server) name or ID. Omit to use the default guild.
message_idYes
reasonNo
Behavior3/5

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

Annotations indicate non-destructive, and the description adds that the message is untouched. However, it does not disclose what happens if the message is not pinned, required permissions, or error cases.

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?

Extremely concise: two sentences, front-loaded with the action. No wasted words.

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?

For a simple unpin action, the description is adequate but lacks parameter details and usage scenarios. Given no output schema and moderate schema coverage, more context would be beneficial.

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

Parameters1/5

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

The description provides no information about the parameters. With only 50% schema description coverage, the description should compensate but does not explain channel, guild, message_id, or reason.

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 'Unpin a message' with a specific verb and resource. It distinguishes from siblings like pin_message and delete_message by noting 'The message itself is untouched.'

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?

No explicit when-to-use or when-not-to-use guidance is given. The statement about the message being untouched implies it is not for deletion, but no alternatives like pin_message or delete_message are mentioned.

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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