start_render

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

No annotations provided, so description must disclose behavioral traits. Only states action; no info on side effects, immediate vs asynchronous execution, or required permissions. Minimal transparency for a potentially consequential operation.

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?

One concise sentence with no wasted words. Front-loaded with verb. Could be slightly expanded without losing brevity.

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?

With no annotations and 0% schema coverage, description leaves gaps in behavioral context and return values. Output schema exists but not referenced. Moderate completeness for a simple tool.

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 description must compensate. It clarifies that omitting job_ids triggers all queued jobs, but fails to specify expected format (e.g., valid job IDs from list_render_jobs) or any constraints.

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?

Description states specific action ('start') and resource ('render job IDs') with clear distinction between two modes: providing IDs or omitting to start all queued jobs. This differentiates from sibling tools like list_render_jobs or monitor_render.

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?

Description implies when to use (to begin rendering) but lacks explicit guidance on when not to use or alternatives. No reference to prerequisites like having queued jobs or checking status first.

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