Server Quality Checklist

Tool Scores

• vtimestamp_listC
  2.9/5.0
  Behavior2/5

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

  With no annotations provided, the description carries the full burden of behavioral disclosure. It mentions the return format ('array of timestamps with hash, title, metadata, and blockchain proof details'), which is helpful, but fails to address critical aspects like whether this is a read-only operation, potential rate limits, authentication requirements, or error conditions. The description adds some value but leaves significant gaps for a tool with no annotation coverage.

  Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

  Conciseness4/5

  Is the description appropriately sized, front-loaded, and free of redundancy?

  The description is concise and front-loaded, consisting of two sentences that efficiently state the action and return value. There is no wasted text, but it could be slightly improved by integrating usage context or sibling differentiation without sacrificing brevity.

  Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

  Completeness3/5

  Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

  Given the tool's low complexity (single parameter, no output schema, no annotations), the description is minimally adequate. It covers the basic purpose and return format, but lacks details on behavioral traits, usage guidelines, and error handling. For a simple list tool, this is acceptable but leaves room for improvement in completeness.

  Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

  Parameters3/5

  Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

  The input schema has 100% description coverage, clearly documenting the single required parameter 'identity' as a VerusID name. The description does not add any additional meaning beyond what the schema provides, such as examples of valid formats beyond 'alice@' or edge cases. Baseline score of 3 is appropriate since the schema does the heavy lifting.

  Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

  Purpose4/5

  Does the description clearly state what the tool does and how it differs from similar tools?

  The description clearly states the tool's purpose with a specific verb ('List') and resource ('timestamps recorded on a VerusID'), and it distinguishes the scope by mentioning 'all timestamps'. However, it doesn't explicitly differentiate from sibling tools like 'vtimestamp_info' or 'vtimestamp_verify', which might provide more detailed or verification-focused functionality.

  Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

  Usage Guidelines2/5

  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 its siblings ('vtimestamp_info' and 'vtimestamp_verify'). It lacks context on prerequisites, such as whether the VerusID must exist or be accessible, and offers no explicit alternatives or exclusions for usage.

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

• vtimestamp_infoB
  3.1/5.0
  Behavior2/5

  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 states this is a read operation ('Get information'), which is helpful, but doesn't cover other traits like authentication needs, rate limits, error handling, or response format. For a tool with zero annotation coverage, this leaves significant gaps in understanding how it behaves.

  Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

  Conciseness4/5

  Is the description appropriately sized, front-loaded, and free of redundancy?

  The description is a single, efficient sentence that front-loads the key action ('Get information') and specifies the scope ('vtimestamp service — what it is, how it works, and supported features'). There's no wasted text, making it easy to parse, though it could be slightly more structured for clarity.

  Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

  Completeness3/5

  Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

  Given the tool's simplicity (0 parameters, no output schema, no annotations), the description is adequate as a basic informational tool. It explains the purpose but lacks details on behavioral traits and usage context. Without annotations or output schema, it should ideally provide more on what information is returned or how to interpret results, leaving some gaps.

  Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

  Parameters4/5

  Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

  The tool has 0 parameters with 100% schema description coverage, so no parameter information is needed. The description appropriately doesn't discuss parameters, focusing on the tool's purpose instead. A baseline score of 4 is applied as it compensates well for the lack of parameters by explaining what the tool does.

  Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

  Purpose4/5

  Does the description clearly state what the tool does and how it differs from similar tools?

  The description clearly states the tool's purpose with a specific verb ('Get information') and resource ('vtimestamp service'), explaining it provides details about what the service is, how it works, and its features. However, it doesn't explicitly differentiate from sibling tools like vtimestamp_list or vtimestamp_verify, which likely list or verify timestamps rather than describe the service itself.

  Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

  Usage Guidelines2/5

  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 its siblings (vtimestamp_list, vtimestamp_verify). It implies usage for learning about the service, but lacks explicit context, prerequisites, or alternatives, leaving the agent to infer based on tool names alone.

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

• vtimestamp_verifyA
  4/5.0
  Behavior3/5

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

  With no annotations provided, the description carries full burden. It discloses key behavioral traits: the server computes SHA-256 hash, checks against on-chain records, and returns blockchain proof details. However, it doesn't mention error conditions, rate limits, authentication requirements, or what happens when no timestamp is found.

  Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

  Conciseness5/5

  Is the description appropriately sized, front-loaded, and free of redundancy?

  The description is perfectly front-loaded with the core purpose in the first sentence, followed by implementation details. Every sentence earns its place by adding necessary information about parameters and return values. No wasted words or redundancy.

  Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

  Completeness4/5

  Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

  For a verification tool with no annotations and no output schema, the description does well by explaining the verification process and return values. However, it could be more complete by mentioning error cases, what 'blockchain proof details' includes, or whether this is a read-only operation.

  Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

  Parameters3/5

  Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

  Schema description coverage is 100%, so the schema already documents all parameters thoroughly. The description adds marginal value by explaining the mutual exclusivity of file_path and text parameters and mentioning the SHA-256 hash computation, but doesn't provide additional semantic context beyond what's in the schema.

  Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

  Purpose5/5

  Does the description clearly state what the tool does and how it differs from similar tools?

  The description clearly states the specific action ('verify'), the resource ('a file or text'), and the verification target ('has been timestamped on a VerusID'). It distinguishes from sibling tools (vtimestamp_info, vtimestamp_list) by focusing on verification rather than information listing.

  Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

  Usage Guidelines4/5

  Does the description explain when to use this tool, when not to, or what alternatives exist?

  The description provides clear context about when to use this tool (to verify timestamping) and specifies the mutually exclusive parameter options (file_path or text). However, it doesn't explicitly mention when NOT to use it or name specific alternatives among the sibling tools.

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