assign_client_role_to_user

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

With no annotations, the description carries the full burden but only states the action. It does not disclose whether roles are added or overwritten, required permissions, idempotency, or side effects. The minimal description fails to inform the agent about critical behavioral traits.

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

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

The description is concise, using a structured docstring format with Args and Returns sections. Every sentence is necessary, though the Returns line could be more detailed.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has 4 parameters (3 required), no enums, and an expected output schema (not shown), the description lacks important contextual details: error conditions, role existence requirements, behavior on duplicates, and authentication needs. It is not sufficiently complete for an agent to invoke correctly without additional knowledge.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must compensate. However, it merely restates parameter names and types from the schema without adding new meaning (e.g., format constraints, relationships between parameters, or how 'realm' defaults work). The return value 'Status message' is too vague.

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

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

The description clearly states the tool's purpose: 'Assign client roles to a user.' This verb+resource construction is specific and distinguishes it from sibling tools like 'assign_realm_role_to_user' and 'add_user_to_group'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

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, no prerequisites, and no conditions where it should not be used. Given the presence of multiple assignment tools as siblings, this is a significant gap.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.