verify_agent_identity

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It mentions 'verify and register' and 'on-chain identity NFT details', implying a write operation with blockchain interaction, but fails to detail critical behaviors: required permissions, costs beyond the stated price (e.g., gas fees), whether registration is irreversible, rate limits, or what happens if verification fails. The price is noted, but other operational traits are missing.

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 well-structured and concise, with purpose stated upfront, followed by args and returns sections, and a price note. Each sentence adds value, such as specifying the standard and optionality of proof. However, the 'Price: $2.00' line, while useful, could be integrated more smoothly, and some redundancy exists between the description text and schema titles.

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 the tool's complexity (blockchain identity verification with two parameters, no annotations, but an output schema exists), the description is moderately complete. It covers purpose and parameters briefly, and the output schema likely handles return values, reducing the need for detailed output explanation. However, it lacks critical context like authentication needs, error handling, or integration with siblings (e.g., 'create_agent_wallet'), leaving gaps for safe and effective use.

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%, so the schema provides no parameter details. The description adds minimal semantics: it lists 'agent_address' and 'proof' with brief notes ('The agent's wallet address', 'Optional identity proof or attestation'), but doesn't explain formats (e.g., Ethereum address checksum), proof requirements, or examples. This partially compensates for the schema gap but leaves key details unclear, warranting a baseline score.

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 clearly states the tool's purpose: 'Verify and register an AI agent's on-chain identity (ERC-8004).' It specifies the verb ('verify and register'), resource ('on-chain identity'), and standard ('ERC-8004'), making it distinct from siblings like 'create_agent_wallet' or 'scan_smart_contract'. However, it doesn't explicitly differentiate from all siblings, such as 'run_compliance_check', which might have overlapping identity verification aspects.

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. It lacks context about prerequisites (e.g., whether an agent wallet must exist first), exclusions (e.g., not for human identities), or comparisons to siblings like 'create_agent_wallet' or 'run_compliance_check'. The mention of 'ERC-8004' hints at blockchain context but doesn't clarify usage scenarios.

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