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paoloamato2

Keycloak MCP Server

by paoloamato2

update_identity_provider_mapper

Update an identity provider mapper configuration in Keycloak. Modify the mapper settings for an existing identity provider mapper specified by realm, alias, and mapper ID.

Instructions

Update a mapper for an identity provider.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
realmYesRealm name
aliasYesIdentity provider alias
mapper_idYesMapper ID
mapper_dataYesIdentity provider mapper representation
Behavior1/5

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

No annotations are provided, and the description does not disclose any behavioral traits such as side effects, required permissions, or error conditions. It merely states the basic action without added context.

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?

The description is a single front-loaded sentence, concise and to the point. However, it could include additional context without becoming overly long.

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 lack of output schema and minimal behavior disclosure, the description is insufficient. For a mutation tool, it should explain success responses, error scenarios, or prerequisites.

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?

All four parameters are documented in the input schema with descriptions, achieving 100% coverage. The description adds no extra meaning beyond what the schema provides, so a baseline score of 3 is appropriate.

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 verb 'Update' and the resource 'mapper for an identity provider'. It effectively distinguishes from sibling tools like create, delete, get, and list by implying modification of an existing 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?

The description provides no explicit guidance on when to use this tool versus alternatives like create_identity_provider_mapper or delete_identity_provider_mapper. The agent must infer usage from the tool name alone.

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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