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wsapi-chat

WSAPI WhatsApp MCP Server

by wsapi-chat

whatsapp_delete_message

Delete a WhatsApp message for all participants by providing the message ID, chat JID, and sender JID.

Instructions

Delete a message for all participants.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
messageIdYesID of the message to delete
chatIdYesChat JID
senderIdYesMessage sender JID
Behavior1/5

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

With no annotations, the description is the sole source of behavioral context, yet it only states the action without disclosing important details such as authorization requirements, time limits, or effects on other participants.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence, but it lacks necessary depth. While concise, it does not fully earn its place due to missing critical information.

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?

Given the absence of an output schema and the presence of three required parameters, the description is incomplete as it omits behavioral constraints, prerequisites, and expected outcomes.

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?

The input schema has 100% coverage with descriptions for all three parameters, so the description does not need to add more. Baseline score of 3 is appropriate.

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 verb 'delete' and the resource 'message', and specifies the scope 'for all participants', which distinguishes it from the sibling tool 'whatsapp_delete_message_for_me'.

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 like 'whatsapp_delete_message_for_me', nor are there any prerequisites or context for usage.

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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