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

No annotations are provided, so the description carries the full burden. It discloses the composite nature and the 'one call' efficiency, but says nothing about latency/cost of fanning out six checks, what happens if one sub-check fails, or whether results are partial. Adequate but with real behavioral gaps for an aggregator tool.

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, zero filler. The bundle contents are front-loaded in the first sentence and the selection rule follows immediately.

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 and no annotations, the description should clarify the return shape of an aggregate call (per-check sections? combined verdict?) and failure semantics. It establishes scope and the inclusion list but stops short of telling the agent what it will actually get back.

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% and the single 'url' parameter is documented as 'URL or bare domain', so the schema already does the work. The description adds no format, normalization, or validation detail beyond it. Baseline 3 applies for a 1-param tool with full schema coverage.

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?

Names a specific verb and resource ('Run the full audit bundle') and enumerates exactly which signals are included (SSL, security headers, redirect chain, HTTP head, DNS, SEO), which map cleanly onto the sibling single-signal tools. An agent can immediately tell this is the aggregate counterpart to ssl_check/dns_lookup/http_head etc.

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?

Explicitly states the selecting condition: 'Use when you need a complete health picture of a site rather than one signal.' This effectively routes the agent away from the single-signal siblings, though it does not name those siblings or give a when-not/quota condition.

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