Find User

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

The description repeats the title and adds no behavioral detail. Annotations already declare readOnlyHint=true, but the description does not mention what happens if the user is not found, required permissions, or return format.

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 only two words, which is too terse. It lacks structure and fails to convey necessary information.

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 one optional parameter, annotations, and an output schema, the description is minimally adequate but doesn't clarify behavior or usage context. It would benefit from stating that it retrieves a single user by ID.

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 coverage is 100% with the 'id' parameter already described as 'User ID.' The description adds no additional meaning beyond what the schema provides.

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 'Show User' is vague. It implies retrieving a user, but doesn't specify whether by ID or other criteria. The tool name 'Find_User' and the parameter 'id' suggest it finds a single user by ID, but the description does not clarify the scope, especially with sibling 'List_User' for listing all users.

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?

No guidance is provided on when to use this tool versus alternatives like 'Find_Group' or 'List_User'. There is no mention of prerequisites or exclusions.

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