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paoloamato2

Keycloak MCP Server

by paoloamato2

create_client_scope_protocol_mapper

Creates a protocol mapper for a client scope to define token attribute mappings.

Instructions

Create a protocol mapper for a client scope.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
realmYesRealm name
client_scope_idYesClient scope ID
mapper_dataYesProtocol mapper representation
Behavior2/5

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

No annotations provided, so description carries full burden. It only says 'create' but omits side effects, permissions, return behavior, or validation of mapper_data. Minimal behavioral disclosure.

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 fluff. However, it's under-specified; brevity at the cost of clarity.

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?

Complex tool with nested object, no output schema, no annotations. Description fails to explain mapper_data structure, prerequisites (realm, client scope existence), or typical usage. Incomplete for the complexity.

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 covers all parameters, but description adds no extra meaning beyond field names. For mapper_data (nested object), no guidance on structure or valid values is given.

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 (create) and resource (protocol mapper for a client scope). It implicitly distinguishes from siblings like create_client_protocol_mapper (for client) and batch operations, but lacks explicit differentiation.

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 (e.g., batched creation or client-specific mapping). No prerequisites or conditions mentioned.

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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