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

Annotations already cover the safe-read profile (readOnlyHint, idempotentHint, destructiveHint=false), and the description adds genuinely new behavior: results may be a complete live guide or merely bundled-offline metadata that is 'never certified as current', plus the reassurance that recipes never grant spending permission. It stops short of describing error/not-found handling or response shape, so it is not a 5.

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?

A single dense sentence that front-loads the action and key forms, then appends the freshness caveat and the spending-permission note. Efficient with no filler, though the caveat clause is somewhat compressed.

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 output schema, the description carries the return-value burden and does describe what comes back (complete current guide vs bundled-offline metadata) and the staleness caveat. Missing only minor details like failure modes or where the offline fallback applies.

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 100%, so the single 'skill' parameter is already documented, including its origin in soclo_skills_search. The description restating 'by id, short id or name' adds little beyond the schema, so the baseline 3 applies.

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 and resource ('Read one skill') and identifies the accepted key forms (id, short id or name), which separates it from the plural listing siblings soclo_skills_search/playbooks without naming them explicitly. It is clearly a single-item read, but does not directly reference the sibling that produces the key.

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?

Usage is implied rather than stated: the schema notes the id comes 'from soclo_skills_search', so the search-then-get flow can be inferred, and 'free' signals no cost. There is no explicit when-to-use/when-not or named alternative tool in the description itself.

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