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

No annotations are provided, so the description must carry the full burden of behavioral disclosure. It mentions a 'live computed signal' and an unclear x402 payment/pricing note, but does not explain authentication, rate limits, response shape, or what happens with the optional wallet parameter. The cryptic 'Turns raw Price 0.01 via x402' sentence adds confusion rather than clarity.

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?

The description is short and the main action is front-loaded, but the final sentence 'Turns raw Price 0.01 via x402 (USDC on Base)' is awkwardly phrased and likely incomplete, undermining the structure. It is concise but not as clear as it should be.

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 explain what the agent will receive and any prerequisites. It names three computed outputs but omits the meaning of 'global', the lookback/period definition, payment flow details, and response structure. This is insufficient for an agent to confidently invoke the tool in varied contexts.

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 wallet parameter is already well-documented in the schema with free-tier credit details. The description adds no new parameter semantics, but it does not need to because the schema covers the single optional parameter.

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 and resource ('get live computed signal' over 'processed analytics layer over on-chain crypto') and lists specific outputs: 30-period percentile rank, 4-period momentum, and a trend verdict. It does not explicitly contrast with sibling crypto tools, but the 'global' framing and specific computed metrics make the purpose reasonably distinct.

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?

There is no guidance on when to use this tool instead of the many sibling crypto tools such as processed_crypto_prices, processed_crypto_trending, or processed_btc_detail. The description implies it is a signal bundle but does not state typical use cases, exclusions, or alternatives.

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