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

With no annotations, the description carries the full burden. It usefully discloses the price ($0.08 USDC) and that this is a paid bundle, and the schema covers the x402 payment challenge flow via paymentSignature. However, it says nothing about latency, whether the call is read-only, or what happens on insufficient payment beyond what the schema field already states.

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 sentence that front-loads the cost and then the output set; every clause earns its place. Slightly awkward phrasing ('Paid $0.08 USDC bundle') but no waste or redundancy.

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 must enumerate return values — and it does, listing five concrete outputs. Combined with the schema's paymentSignature guidance, an agent has enough to invoke correctly, though return format and pagination/limits remain unspecified.

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 all four parameters (text, title, counterparty, paymentSignature) are already documented, including the omit-then-retry payment dance. The description adds no parameter-level meaning, so the baseline of 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 concrete resource (contract analysis) and enumerates the five specific outputs it bundles (summary, renewal timing, penalties, obligations, payment terms). This distinguishes it from the narrower siblings like extract_contract_obligations or find_contract_penalties, though it never explicitly frames itself as the bundle alternative to those tools.

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 phrase 'in one call' implies the intended use case is consolidating what four sibling extraction tools would do separately, but no when-to-use or when-not-to-use condition is stated. An agent must infer the routing decision from the output list alone.

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