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metaember

bluebubbles-mcp

by metaember

send_reaction

Send tapback reactions to iMessages. Apply love, like, dislike, laugh, emphasize, or question reactions. Use '-' prefix to remove existing reactions.

Instructions

Send a tapback reaction to a message.

Args: chat_guid: The chat GUID containing the message. message_guid: The GUID of the message to react to. reaction: One of: love, like, dislike, laugh, emphasize, question. Prefix with '-' to remove (e.g. '-love').

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
chat_guidYes
message_guidYes
reactionYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

Annotations already indicate non-readOnly. Description adds removal prefix feature but does not mention side effects, rate limits, or failure conditions.

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?

Concise and includes parameter docs in a structured Args format. Could be slightly more front-loaded but overall efficient.

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

Completeness4/5

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

Mostly complete for a simple tool with 3 parameters and output schema present. Lacks error handling info but covers input adequately.

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?

Schema coverage is 0%, but description fully explains each parameter: chat_guid, message_guid, and reaction with valid values and prefix for removal.

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?

Clearly states 'Send a tapback reaction to a message.' Uses specific verb and resource, distinguishes from siblings like send_message.

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 alternative comparison. Usage is implied by the action but lacks context like prerequisites or when not to 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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