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paoloamato2

Keycloak MCP Server

by paoloamato2

list_organization_members

Retrieve the list of members belonging to a specific organization in a Keycloak realm, with pagination support.

Instructions

List members of an organization.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
realmYesRealm name
org_idYesOrganization ID
firstNoPagination offset
maxNoMaximum results to return
Behavior2/5

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

Without annotations, the description should disclose behavior like read-only nature, pagination (implied by parameters but not stated), and return type. It simply states 'list members' with no additional context.

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 extremely concise, using a single sentence with no unnecessary words. It is well-formed and front-loaded.

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?

Given no output schema, the description should explain what is returned. It only says 'list members' but leaves out details like format, pagination behavior, and required context. However, for a simple listing tool, it is minimally adequate.

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 100%, so baseline is 3. The description adds no extra meaning beyond the schema descriptions, which already document each parameter adequately.

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 ('list') and the resource ('members of an organization'). However, it does not differentiate from related tools like 'get_organization_member' or 'list_organization_identity_providers', lacking sibling distinction.

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 such as 'get_organization_member' for retrieving a single member. There are no cues about prerequisites or exclusions.

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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