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dev.mcp

dev.mcp

by iwilldotdev
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gitlab_list_project_members

Retrieve GitLab project members by project ID or namespace path, with optional inherited members and name filtering.

Instructions

Project members (GET /projects/:id/members). members/all includes inherited members.

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": {
      "projectId": "<projectId>"
    },
    "name": "gitlab_list_project_members"
  }
}

Input Schema

NameRequiredDescriptionDefault
queryNo
projectIdYesNumeric ID or path with namespace, e.g. group/project.
includeInheritedNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.5/5.0
Behavior3/5

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

With no annotations, the description carries the disclosure burden. It discloses the endpoint and a meaningful behavioral difference: includeInherited uses members/all and includes inherited members. It does not mention pagination or return shape, but for a simple read-only list the key behavior is stated.

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?

Extremely compact and front-loaded: the resource and endpoint appear first, followed by the inherited-members caveat. There is no filler wording or repetition of schema details. Every element earns its place.

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

Completeness3/5

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

For a low-complexity read-only list, the description plus the projectId schema is nearly sufficient for a basic call. The optional query parameter is unexplained and no output structure is described, but neither blocks correct use for the common case. Adequate but not thorough.

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 coverage is only 33%, so the description must add parameter meaning. It does explain includeInherited via the members/all note, but the query parameter remains entirely undocumented in both the schema and the description. It adds some but not complete parameter semantics.

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 identifies the resource ('Project members') and the exact API endpoint, making the tool's function evident. It lacks an explicit verb like 'list' and doesn't distinguish among sibling tools, but the GET method and tool name make the action clear.

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?

The description implies the tool is for retrieving a project's members and clarifies that members/all covers inherited members, which helps the agent choose includeInherited. It offers no explicit when-to-use vs alternatives or exclusions, so usage guidance is only implicit.

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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