ACN Preflight

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

With no annotations provided, the description carries the full behavioral disclosure burden, but it only states that the tool is free and requires no registration. It does not disclose what data it checks, whether it performs network calls, how freshness is determined, or any rate-limit or reliability implications.

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 front-loaded with a value proposition, but 'Free fresh' reads as promotional filler. The terseness sacrifices important parameter and usage semantics, so it is under-specified rather than genuinely concise.

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?

Although the tool is simple with a single parameter, the description leaves critical gaps: issue_url format, what a 'reality check' produces, and when this tool should be preferred over siblings. The absence of an output schema makes these omissions more damaging.

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%, and the description does not mention issue_url at all. The agent has no information about expected URL format, whether it must be a full GitHub URL, or any validation constraints, making correct invocation largely guesswork.

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 identifies a GitHub bounty 'reality check' as the action/resource, and the input schema's issue_url parameter confirms it relates to evaluating a specific issue. However, 'reality check' is vague about what exactly is assessed, and it does not clearly differentiate the tool from siblings like payment_preflight or repo_contribution_readiness.

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 provides no guidance on when to use this tool versus alternatives, and it mentions no exclusions or prerequisites. The only context added is 'Free fresh' and 'No registration or email,' which are access benefits rather than usage direction.

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

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

With no annotations, the description must disclose behavior. It mentions 'using independent RPCs' (implying reliability) and 'Paid $0.02' (cost implication), but it does not state whether the operation is read-only, what side effects exist, or how authentication is handled beyond token types. It also does not mention what happens on failure or whether external calls are made. The description carries insufficient behavioral detail.

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 (three sentences) with no wasted words. It front-loads the purpose in the first sentence. However, it is so brief that it sacrifices necessary detail; but for conciseness itself, it is efficient. The structure is clear sentences without 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?

Given no annotations, no output schema, and four parameters with zero documentation, the description is severely incomplete. It does not explain return values, parameter formats, authentication requirements (beyond token types), error behavior, or any operational details. An agent cannot call this tool correctly without external knowledge. It is far below a minimum viable definition.

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?

The schema provides no descriptions for any of the four parameters (chain, address, amount, token_contract), and the description adds nothing about them. With 0% schema coverage, the description has the full burden to explain parameter meaning, but it fails entirely. An agent cannot infer what 'amount' or 'token_contract' represent or how they are used, making the tool unusable.

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 specific verb ('preflight') and resource ('payment on Base'), and mentions the technical context (independent RPCs). However, it is vague about what exactly a preflight entails—whether it validates funds, token approval, or price. It does not describe the outcome, which reduces clarity. Sibling tools are unrelated, so no confusion there, but the core function remains ambiguous.

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 explicit guidance on when to use this tool versus alternatives, nor any exclusion conditions. The mention of supporting 'x402 v2 or a legacy HTTP Bearer token' hints at authentication options but not at usage scenarios. The disclaimer 'Not financial advice' is not a usage guideline. No context is given about prerequisites or suitability.

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

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

With no annotations, the description carries the burden of disclosing behavior. It usefully mentions the $0.10 cost, required payment or auth mechanisms (x402 v2 or legacy Bearer token), and that data comes from current public GitHub data. However, it does not state whether the operation is read-only, what happens on payment failure, or what the returned readiness result looks like.

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 front-loaded with the most important operational facts: cost, data source, and authentication support. Both sentences contribute useful information, though the phrasing 'Paid $0.10 repository contribution readiness' is a bit awkward and could be more direct.

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?

This is a paid tool with no output schema and no annotations, yet the description does not explain what the tool returns or how the passed parameters affect the result. It also does not mention when to prefer this tool over the sibling tools. Important invocation and outcome details are missing.

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%, and the description adds no explanation of repo_url or change_type. The parameter names and enum values are somewhat self-descriptive, but the description does not clarify how change_type affects readiness or what format repo_url must take. The description fails to compensate for the missing schema documentation.

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 conveys that the tool provides a repository contribution readiness assessment based on current public GitHub data and costs $0.10. This is clear enough for an agent to identify the tool's core function, though it lacks an explicit verb like 'check' or 'evaluate'. It does not differentiate between sibling tools, but the noun phrase is reasonably informative.

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 about when to use this tool versus alternatives like bounty_reality_check or payment_preflight. The description only mentions authentication support, which is a prerequisite rather than a usage condition. No exclusions or alternative-selection advice are provided.

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