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paoloamato2

Keycloak MCP Server

by paoloamato2

revoke_user_consent

Revoke a user's consent and offline tokens for a specific client, removing authorized access in Keycloak.

Instructions

Revoke consent and offline tokens for a particular client from a user.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
realmYesRealm name
user_idYesUser ID
client_idYesClient ID
Behavior2/5

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

With no annotations, the description carries full disclosure burden. It states the action but omits behavioral details like permission requirements, side effects (e.g., user must re-consent), or success criteria. The agent cannot infer safety or implications.

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 concise sentence with no waste. It is adequately brief, though it could be structured with bullet points for clarity. Minor improvement possible.

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?

No output schema exists, yet the description fails to explain success/error behavior or the impact on user sessions. It does not mention reversibility or confirmation requirements, leaving the tool under-specified for an agent.

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 descriptions for all three parameters. The description adds no extra meaning beyond 'particular client' and 'user', repeating schema info. Baseline 3 applies as schema does the heavy lifting.

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 uses a specific verb ('revoke') and clearly identifies the resource ('consent and offline tokens') and scope ('for a particular client from a user'). It directly aligns with the tool name and distinguishes from sibling tools like list_user_consents.

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 guidance on when to use this tool versus alternatives (e.g., list_user_consents for viewing consents). It lacks prerequisites, exclusions, or context about typical scenarios.

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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