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paoloamato2

Keycloak MCP Server

by paoloamato2

add_group_realm_role_mappings

Assign realm-level roles to a group by specifying the realm, group ID, and roles list. Use this to manage group permissions in Keycloak.

Instructions

Add realm-level role mappings to a group.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
realmYesRealm name
group_idYesGroup ID
rolesYesList of role representations
Behavior2/5

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

With no annotations, the description carries full behavioral disclosure burden. It does not mention side effects, permissions required, idempotency, or error states. The minimal description leaves agents uncertain about implications.

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 a single sentence that is front-loaded and free of extraneous information. Every word is necessary.

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 presence of nested objects and no output schema, the description is too brief. It lacks details on what constitutes a role representation and what the tool returns or confirms.

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 does not add meaning beyond the schema; for example, it does not explain the structure of the 'roles' object. However, it meets the baseline.

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?

The description clearly states the action 'Add' and the resource 'realm-level role mappings to a group'. It distinguishes itself from sibling tools like add_group_client_role_mappings by specifying 'realm-level'.

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 (e.g., add_user_realm_role_mappings). There is no mention of prerequisites, such as the group existing or the realm being available.

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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