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watsonx Platform MCP Server

watsonx Platform MCP Server

by manjotsidhu

list_project_members

Read-only

Lists members of a watsonx project so you can review access and manage collaboration.

Instructions

EXPERIMENTAL — untested. Wraps GET /v2/projects/{id}/members.

Input Schema

NameRequiredDescriptionDefault
limitNo
cursorNo
project_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.4/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, so safety is covered. The description's only added behavior is the 'EXPERIMENTAL — untested' warning, which is genuinely useful reliability context, but it says nothing about pagination behavior, result ordering, or membership visibility despite limit/cursor parameters.

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?

Two short sentences with no wasted words and the experimental caveat front-loaded, but the brevity is under-specification rather than efficiency. Nothing is structured to help an agent decide or call correctly.

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 three-parameter paginated list tool with no output schema and 0% schema coverage, the definition is far too thin: how to page, what fields members have, and what the response looks like are all missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0% and the description adds no parameter meaning whatsoever. The role of 'limit' (default 50) and 'cursor' for pagination is completely undocumented, and even project_id's expected format is unstated.

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

Purpose3/5

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

The description only names the wrapped endpoint (GET /v2/projects/{id}/members); the verb comes from the tool name and the HTTP method is implied. It is enough to infer 'list members of a project', but it does not explicitly state the resource or scope, and gives no differentiation from siblings like list_projects or get_project.

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 when-to-use guidance at all: no mention of when to call this versus list_projects, get_project, or the add/update/remove_project_member siblings. The 'EXPERIMENTAL' note hints at caution but not at selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.