spring_versions

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

With no annotations, the description carries the full burden and does well: it discloses the 60 requests/hour unauthenticated GitHub limit, one-call-at-most-one-request accounting, a one-day cache, max_tokens truncation estimated as len(text)//4, and the {"error", "suggestion"} failure shape. It stops short of describing the returned notes payload structure beyond wiki_links, and the read-only nature is only implied.

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?

Front-loaded with the purpose, then parameter semantics, then operational caveats; nearly every sentence earns its place. The measured-over-100-releases parenthetical and the request-budget detail are slightly more than strictly needed, pushing length past the tightest possible form.

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?

Given zero schema descriptions, zero annotations, and no output schema, the description supplies the equivalent of all three: full enum semantics, mutation-free read behavior and rate limits, plus concrete return details (rendered notes and wiki_links) and an error contract. Nothing essential for a correct call is missing.

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 the description must compensate and it does: it enumerates every valid project value, explains that version accepts either a full release or a major.minor that resolves to the newest patch, defines all four focus modes including the substring matches for breaking-changes and new-features, and gives the truncation formula for max_tokens.

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: release and migration notes for a Spring project sourced from GitHub releases. The project list (spring-boot, spring-framework, spring-security, etc.) and the 'wiki_links' mention make it clearly distinct from siblings like spring_reference, spring_guides, and spring_search_concepts.

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?

Gives rich in-tool guidance (which focus values map to which release sections, why deprecations are keyword-searched, and that version pinning resolves to the newest patch), but never says when to reach for this tool rather than spring_reference or spring_guides for migration information. Usage is implied rather than routed against alternatives.

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