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dudu1111685

WAHA MCP Server

by dudu1111685

waha_demote_group_participant

Demote administrators to regular participants in a WhatsApp group to manage group permissions and roles.

Instructions

Demote admin(s) to regular participant in a group

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
groupIdYesGroup ID
participantsYesParticipant IDs to demote
sessionNoSession namedefault
Behavior2/5

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

With no annotations provided, the description carries full burden for behavioral disclosure. It states the action but doesn't cover critical aspects like required permissions, whether the operation is reversible, error conditions, or rate limits. This leaves significant gaps for a mutation tool.

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 a single, efficient sentence with zero waste. It's front-loaded with the core action and target, making it easy to parse quickly without unnecessary elaboration.

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?

For a mutation tool with no annotations and no output schema, the description is incomplete. It lacks details on behavioral traits, error handling, and what the tool returns, leaving the agent with insufficient context to use it effectively beyond basic parameter passing.

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 description coverage is 100%, so parameters are well-documented in the schema. The description doesn't add meaning beyond implying 'groupId' and 'participants' are needed, which the schema already covers. Baseline 3 is appropriate as the schema does the heavy lifting.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('demote') and target ('admin(s) to regular participant in a group'), making the purpose specific and understandable. However, it doesn't explicitly differentiate from its sibling 'waha_promote_group_participant' or other group management tools, which prevents a perfect score.

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?

The description provides no guidance on when to use this tool versus alternatives like 'waha_remove_group_participants' or 'waha_promote_group_participant'. It lacks context about prerequisites (e.g., needing admin rights) or exclusions, offering minimal usage direction.

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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