get_available_group_realm_roles

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

No annotations are provided, so the description carries the full burden. It correctly implies a read-only operation without side effects, which is accurate for a 'get' operation. However, it doesn't disclose permissions needed or potential exceptions, but for a simple retrieval, this is sufficient.

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 a single concise sentence that directly conveys the tool's purpose. Every word is necessary, and there is no extraneous information. It is efficiently front-loaded with the key action and resource.

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?

For a simple retrieval tool with two clearly defined parameters and no output schema, the description is complete. It explains what the tool does, and the parameters are sufficiently documented in the schema. No additional context is needed.

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?

The input schema already provides clear descriptions for both parameters ('Realm name', 'Group ID') with 100% coverage. The description adds no additional semantics beyond what the schema offers, so a baseline score of 3 is appropriate.

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 function: 'Get realm-level roles available to map to a group'. It includes a specific verb ('Get'), resource ('realm-level roles'), and context ('available to map to a group'), distinguishing it from siblings like 'get_group_realm_role_mappings' which retrieve already mapped roles.

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 implies the use case (finding available roles for mapping), but does not explicitly state when to avoid this tool or mention alternatives like 'get_group_realm_role_mappings' for already mapped roles. An agent could infer usage context, but lacks explicit guidance.

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