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wwebjs-mcp

wwebjs-mcp

by victor-halla
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

groupChat_approveGroupMembershipRequests

Approve pending membership requests in a WhatsApp group chat by providing the chat ID and optionally specifying requester IDs.

Instructions

[Group Chat] Approve membership request

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "sessionId": "<sessionId>"
    },
    "name": "groupChat_approveGroupMembershipRequests"
  }
}

Input Schema

NameRequiredDescriptionDefault
chatIdNoUnique WhatsApp id for the given chat group
optionsNoOptions for performing a membership request action
sessionIdYesUnique identifier for the session (alphanumeric and - allowed)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.4/5.0
Behavior1/5

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

With no annotations provided, the description carries full responsibility for disclosing behavioral impact. It only restates the name without revealing any side effects, permission requirements, reversibility, or consequences. It does not even note that this is a mutating operation, leaving the agent without crucial safety information.

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

Conciseness2/5

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

The description is a single short phrase, which is under-specified rather than concise. It fails to provide meaningful content beyond the tool name. There is no structure or expansion to guide the agent, making it insufficient.

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 tool's complexity (3 parameters, nested object, no output schema), the description is extremely sparse. It does not explain the workflow, what 'membership request' means, the role of 'requesterIds' in options, or expected outcomes. This is inadequate for an agent to use the tool correctly without additional assumptions.

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 provides descriptions for all parameters, achieving 100% coverage, so the baseline is 3. The description does not add any insight into parameter usage, particularly the 'options' nested object, which remains vague in the schema. It neither improves nor detracts from the structured information.

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: 'Approve membership request' within the '[Group Chat]' context. It distinguishes itself from the sibling 'groupChat_rejectGroupMembershipRequests' by using the explicit verb 'Approve'. However, it lacks detail on what exactly constitutes a membership request or the scope of approval.

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?

There is no guidance on when to use this tool versus alternatives, such as rejecting requests or fetching pending requests. No prerequisites or related workflow steps are mentioned. The description simply repeats the tool's purpose without any contextual framework.

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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