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Privi Ledger

by io.github.canoydario847-cloud
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Privi: simulate a valueless test payment

privi_test_payment_simulate

Consume a test quote once. Receipt is NOT payment, on-chain proof or entitlement.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "quote_id": "<quote_id>",
      "acknowledgement": "<acknowledgement>"
    },
    "name": "privi_test_payment_simulate"
  }
}

Input Schema

NameRequiredDescriptionDefault
quote_idYesShort-lived PRVI_TEST quote ID
acknowledgementYesMust equal VALUELESS TEST ONLY

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A3.6/5.0
Behavior4/5

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

Annotations already mark it as a non-read-only but non-destructive mutation. The description adds important behavioral context beyond annotations: the quote is consumed once, and the receipt explicitly does not represent payment, on-chain proof, or entitlement.

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 short sentences with no wasted text. The main action is front-loaded, and the critical limitation is stated immediately afterward.

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 simple two-parameter test-payment mutation with full schema coverage and annotations, the description supplies the key purpose and the most important semantic caveat. It does not explain the return shape, but the warning that the receipt is not real payment covers the central risk.

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 coverage is 100%, so both parameters are already documented in structured fields. The description adds the single-use consumption meaning for quote_id, but does not mention the acknowledgement parameter or add per-parameter detail beyond the schema.

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 states a specific action: consuming a test quote once, and clarifies that the resulting receipt is not real payment or entitlement. It is clearly a valueless test-payment simulation, though it does not explicitly distinguish itself from the sibling quote-creation tool.

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?

There is no explicit guidance on when to use this tool, when not to use it, or which sibling tool should be used instead. The requirement of a quote_id implies it follows a prior quote step, but the description does not state that workflow or any 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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