render_briefing

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

No annotations, so the description carries the burden. It discloses the billing model ('needs a Reader key with render credits, or use x402 on the remote endpoint') and that it's 'one editor run', which is meaningful auth/cost context. However, it omits rate limits, reversibility, or side-effect details beyond that.

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?

Two efficient sentences, front-loaded with the primary action. The credit/auth aside is compactly parenthesized. No wasted words.

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?

Covers the core action, inputs, output format, and auth/cost model, but with 0% schema coverage and no output schema, more detail on input constraints and return shape would help. It's adequate but not thorough for a 2-required-param generation tool with usage costs.

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 0%, so the description must compensate. It mentions 'feeds' and 'persona' as inputs but adds no semantic meaning beyond the schema (no constraints like the 30-feed max or 2000-char persona limit, no expected formats).

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?

States a specific verb+resource ('Rank and render a briefing') and clarifies the source ('from your own feeds and persona'). It distinguishes itself from siblings like get_briefing/list_briefings by being the generation step, though it doesn't explicitly name those siblings.

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 explicit when-to-use guidance or differentiation from get_briefing, list_briefings, or get_summary. The parenthetical hints at cost/credit requirements but doesn't route the agent between alternatives.

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