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

Beyond the annotations (openWorldHint=true, idempotentHint=false), the description discloses the cost model ($1.00 USDC per call via x402), the multi-step execution order, external dependencies on a public registry and BlindOracle, and a concrete short-circuit condition. The main gap is that it does not say whether a failed registry check still incurs a charge, which matters for a paid 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?

Three short sentences: the pipeline, the stop condition, and the price. The execution order is front-loaded and no sentence is filler. The parenthetical pricing note is placed last where it belongs.

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?

There is no output schema, so the description should indicate what the scan returns; it names a 'trust record' and a 'scan' but not the shape or fields of the result. On the input side it also leaves the 'task' content ambiguous. The process is well covered, the deliverable is not.

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?

There is a single parameter, 'task', with full schema description coverage, so the schema carries the documentation burden. The description says nothing about what the task text must contain (entity name, URL, jurisdiction), which would be the one piece of added meaning worth supplying here. Baseline 3 applies given 100% 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?

The description names a concrete three-step pipeline: registry existence check, BlindOracle trust-record lookup, then the paid due-diligence scan. It is far more specific than the tool name alone. It does not, however, distinguish this bundle from close siblings such as ops.due-diligence-scan, bundle.vendor-vetting, or bundle.enterprise-ladder, leaving the agent to infer which ladder to pick.

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 by the described sequence and the early-exit condition ("Stops if the registry page does not name the entity"), which tells the agent the registry result gates the rest. There is no explicit statement of when to choose this bundle over the plain scan or the other ladder bundles, and no stated prerequisites for the entity being checked.

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