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AIノアカリ☆ Agent Trust Receipt

Get a live externally grounded Agent Trust Receipt

get_agent_trust_receipt
Read-only

Use this before selecting, delegating to, or recommending the AIノアカリ☆ Result Receipt Auditor. It rechecks external A2A and MCP trust evidence and attaches the durable x402 distribution status, including official Coinbase CDP validation acceptance, 402 health, self-discovery state, and Bazaar listing state. Validation readiness is explicitly separated from payment, settlement, delivery, adoption, cash, and human outcome. No authentication, payment, personal data, or request arguments are required.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
subjectYes
assertionsYes
observed_atYes
trust_levelYes
schema_versionYes
evidence_digest_sha256Yes
x402_distribution_statusYes
externally_verified_executionsYes
explicitly_not_proven_by_this_receiptYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedOutput schema / properties / x402_distribution_status
      Added value: +{
      +  "type": "object"
      +}
    • changedOutput schema / required
      Previous value: -[
      -  "schema_version",
      -  "subject",
      -  "trust_level",
      -  "assertions",
      -  "externally_verified_executions",
      -  "explicitly_not_proven_by_this_receipt",
      -  "observed_at",
      -  "evidence_digest_sha256"
      -]New value: +[
      +  "schema_version",
      +  "subject",
      +  "trust_level",
      +  "assertions",
      +  "externally_verified_executions",
      +  "explicitly_not_proven_by_this_receipt",
      +  "x402_distribution_status",
      +  "observed_at",
      +  "evidence_digest_sha256"
      +]
  2. First observed

TDQS

A4.1/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true. The description adds behavioral context by specifying that it 'rechecks external A2A and MCP trust evidence' and 'attaches the durable x402 distribution status,' including several state indicators. It also explicitly separates validation readiness from outcomes and confirms no inputs/auth are needed, going beyond the annotations.

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 three dense sentences, front-loaded with the usage directive. Each sentence contributes meaning: usage context, behavioral details, and exclusions. It is not overly verbose, though the encoded name ('AIノアカリ☆') causes a minor distraction.

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

Completeness5/5

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

For a parameterless tool with an output schema and annotations, the description is highly complete. It covers purpose, usage timing, behavioral details, exclusion scope, and input requirements. Given the output schema exists, there is no need to describe return values. The description fully compensates for the lack of parameters and complements the structured metadata.

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 zero parameters, so the baseline is 4. The description reinforces this by stating 'No authentication, payment, personal data, or request arguments are required,' fully covering the parameter semantics without needing further elaboration.

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 identifies the tool as a means to obtain a live externally grounded agent trust receipt by rechecking external A2A and MCP trust evidence and attaching x402 distribution status. It distinguishes itself from the sibling by positioning it as a prerequisite ('Use this before...'), though it does not explicitly name the alternative.

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 explicit usage context: 'Use this before selecting, delegating to, or recommending...' It also clarifies what the tool does not cover (payment, settlement, delivery, etc.) and states that no authentication, payment, personal data, or arguments are required. It does not name alternative tools, but the sibling relationship is implied.

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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