Delete a trunk

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

Annotations already set destructiveHint=true. Description adds crucial behavior: CONFLICT errors for live calls or CDR references, step-up MFA requirement, and specific error codes. No contradiction with annotations.

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?

Four sentences. First sentence states purpose. Subsequent sentences cover conditions, prerequisites, auth, and errors. No fluff. Information dense and front-loaded.

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 destructive single-parameter tool with annotations, description covers preconditions (drain, check throttle, cascade preview), conflict scenarios, required MFA, and possible errors. Sufficient for agent to use 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?

Only one parameter with 100% schema coverage. Schema provides description 'Trunk group UUID (find it with trunk_list)'. Description adds no additional semantic meaning beyond that, but context in body helps. Baseline 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?

Clearly states 'Delete an owned trunk.' Specifies verb and resource. Distinguishes from siblings like trunk_update and trunk_get_cascade_preview by mentioning alternatives.

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?

Explicitly states when to use (delete owned trunk) and when not (live calls, CDRs). Provides alternative workflows: drain first via trunk_get_throttle_state, disable via trunk_update. Recommends trunk_get_cascade_preview first.

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