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paoloamato2

Keycloak MCP Server

by paoloamato2

get_identity_provider_mapper

Retrieve a specific identity provider mapper by providing the realm, identity provider alias, and mapper ID.

Instructions

Get a mapper for an identity provider by mapper ID.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
realmYesRealm name
aliasYesIdentity provider alias
mapper_idYesMapper ID
Behavior2/5

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

No annotations provided, and description does not disclose any behavioral traits (e.g., error handling, access requirements, side effects). Fails to provide beyond the most basic action.

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

Conciseness4/5

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

Single sentence, no unnecessary words. Though concise, it is under-specified for completeness.

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?

Minimal description that only states the basic function. No output schema, caution about nonexistent mappers, or further context. 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 100% with clear parameter descriptions. Description adds no additional meaning beyond what the schema already provides.

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

Purpose5/5

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

Description clearly states the action (Get), the resource (mapper for an identity provider), and the identifier (by mapper ID). It distinguishes from siblings like list_identity_provider_mappers and create_identity_provider_mapper.

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 on when to use this tool versus alternatives. Does not specify prerequisites or context for use.

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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