analyze_testing

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

No annotations are provided, so the description carries the burden. It does disclose the behavior of rescanning (and how to avoid it via sessionId), which is meaningful operational context. However, it doesn't clarify mutation potential, whether it writes data, rate/latency implications of rescanning, or whether sessionId must come from a prior review_project call.

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 sentences, front-loaded with the primary purpose, and the operational tip is placed second. Zero wasted words for the information conveyed.

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 3 params, 0% schema coverage, no annotations, and no output schema, the description leaves gaps: path semantics, limit meaning, output structure/format are all unclear. The sessionId optimization is helpful but doesn't cover the full tool contract for a reasonably 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 the description must compensate for the 3 undocumented parameters. It mentions sessionId's role (avoiding rescan) but says nothing about path semantics or the limit parameter (its type, default behavior, or purpose as a cap on returned items). Two of three parameters are unaddressed in the description.

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?

The description states a clear verb-resource pair ('Testing coverage view from a review_project session') and lists the outputs (test/lib ratios, test type counts, untested features). It distinguishes somewhat from siblings by being testing-specific, though it doesn't explicitly contrast with other analysis tools. The term 'coverage view' is reasonably specific but 'view' leans abstract.

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?

The description explicitly recommends preferring sessionId 'to avoid rescanning', which addresses when-to-use and the cost of the alternative. However, it doesn't explicitly state when to use path vs sessionId, when not to use this tool, or name alternatives from the sibling set like find_tests or analyze_complexity for related but distinct needs.

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