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discord_remove_reactions

Idempotent

Remove all reactions from a Discord message, or target a specific emoji or user's reaction. Manage Messages permission needed for bulk or other users' reactions.

Instructions

Remove reactions from a message. With no emoji: removes ALL reactions. With emoji only: removes every reaction of that emoji. With emoji and user_id: removes that one user's reaction. Removing all reactions or another user's reaction requires the Manage Messages permission. Use discord_add_reaction to add.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
channel_idYesID (snowflake) of the channel or thread containing the message.
message_idYesID of the message to remove reactions from.
emojiNoUnicode emoji or custom emoji 'name:id'. Omit to remove ALL reactions on the message.
user_idNoRemove only this user's reaction for the given emoji. Requires emoji to be set.
Behavior5/5

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

Beyond annotations (which indicate mutation but no destruction), the description explains the effect of each parameter combination and the Manage Messages permission required for removing all or others' reactions. This adds significant behavioral context.

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 four sentences, front-loaded with the purpose, then parameter modes, permissions, and an alternative. Every sentence serves a purpose with no redundancy.

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?

Given the tool's simplicity (4 parameters, no output schema), the description covers all essential aspects: operation, parameter logic, permissions, and alternative tool. It is fully sufficient for correct invocation.

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

Parameters5/5

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

With 100% schema coverage, baseline is 3, but the description adds value by explaining conditional behavior of parameters (e.g., omitting emoji removes all, user_id requires emoji). This clarifies interactions beyond individual parameter descriptions.

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 removes reactions from a message and details three parameter modes: no emoji (remove all), emoji only (remove that emoji from all users), emoji+user_id (remove specific user's reaction). This distinguishes it from sibling tools like discord_add_reaction.

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

Usage Guidelines5/5

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

Explicitly explains when to use each parameter combination and provides a direct alternative for adding reactions ('Use discord_add_reaction to add'). It also mentions required permissions for certain actions, guiding appropriate use.

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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