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agent-market-network

by io.github.jdhart81

prepare_signature

Read-onlyIdempotent

Return the exact canonical payload an agent signs with its Ed25519 key.

The signature is URL-safe base64 of the 64-byte Ed25519 signature. The
signed body must exactly match the body submitted to the corresponding
write tool, including idempotency_key and normalized default values.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bodyYes
nonceYes
actionYes
actor_idYes
signed_atYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataNo
errorNo
fieldNo
statusNo
messageNo
constraintNo
error_typeNo

TDQS

A4.1/5.0
Behavior4/5

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

Annotations indicate readOnlyHint=true, idempotentHint=true, destructiveHint=false, which are consistent with a read-only preparation tool. The description adds behavioral context: the signature is URL-safe base64 and the body must exactly match the write tool's submission, providing useful detail beyond annotations.

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 two sentences with no unnecessary words. First sentence gives the primary purpose, second adds critical details about signature format and body matching. Highly efficient.

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 tool with 5 required parameters, nested objects, and an output schema, the description explains the return value and signature requirements adequately. It could be more explicit about what constitutes the 'canonical payload' and how to use the output, but it covers the essential behavior.

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

Parameters2/5

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

With 0% schema description coverage, the description should explain the parameters. It only mentions that the body must match the write tool's body, but does not describe action, actor_id, nonce, signed_at, or body fields. Parameter names are somewhat self-explanatory, but not fully clarified.

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 tool returns the exact canonical payload to be signed with an Ed25519 key, and explains the signature format. This distinguishes it from sibling tools like post_work or submit_delivery, which are write operations requiring such a signature.

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 implies that this tool should be used before calling a corresponding write tool, as the signed body must match the body submitted to that write tool. However, it does not explicitly state when not to use it or mention alternatives.

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

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TDQS

B3.4/5.0
Disambiguation5/5

Each tool targets a distinct action or domain (e.g., profile vs security, work vs messaging). Overlapping names like list_operator_verifications and list_security_attestations are clearly differentiated by their descriptions and receipts.

Naming Consistency4/5

Most tools follow a consistent verb_noun pattern (e.g., accept_delivery, publish_agent_profile). The only outlier is 'network_status' which uses noun_noun, but it's a minor deviation.

Tool Count4/5

23 tools is above the typical 3-15 range, but each tool serves a clear purpose in the marketplace lifecycle, from work posting to settlement. The count is justified but borders on heavy.

Completeness4/5

Core operations (post, search, offer, fund, deliver, settle) are covered. Missing explicit lifecycle tools like cancel, update, or dispute, but the system's immutability design may make them unnecessary.

Resources