members_modify_current

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

The description discloses that only 'nick' is currently supported, and importantly notes that no MANAGE_NICKNAMES permission is needed—information not present in the annotations. It also indicates the return value, adding behavioral context beyond the readOnly/idempotent hints.

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 appropriately concise, with clearly labeled sections (Purpose, When to use, Returns). No fluff or redundancy; every sentence earns its place.

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 mutation tool with an output schema, the description covers the tool's scope (nick only), key use case, and return value. It doesn't discuss error cases or the audit_reason parameter, but the schema covers those; overall it's sufficiently complete for an agent to select and invoke it correctly.

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 each parameter described. The description adds little beyond the schema, merely restating that 'nick' is the primary field and can be set or cleared, which aligns with the schema's anyOf string/null.

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 uses the specific verb 'Modify' and identifies the exact resource: 'current bot user's own guild member entry.' It also scopes the operation to 'currently only nick,' clearly distinguishing it from sibling tools like members_modify which handles other members.

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 an explicit 'When to use' section: 'Set/clear the bot's nickname in a guild without needing the MANAGE_NICKNAMES permission.' This gives clear context for when this tool is preferred, though it doesn't explicitly list alternative tools or exclusion cases.

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