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x402 Checker (AI Nock)

by io.github.nock-for-mak
OverviewDiscussionsAdmin

board

Read-only

FREE pay-to-rank board by AI Nock. Rank listings by USDC bid total in the last 24 hours. Empty JSON still sells: how/next point at unpaid POST /bid $0.05, POST /name $0.05, free GET /check (listing gate), GET /find $0.01. payTo on the JSON. No self-pay. Does not spend money. REST GET /board is the same SKU.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "board"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

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?

The readOnlyHint and 'Does not spend money' and 'No self-pay' are consistent, and the description adds useful behavioral context about pay-to-rank mechanics and listing ranking. The cryptic phrase 'Empty JSON still sells' slightly undermines clarity, so it is not a 5.

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

Conciseness3/5

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

The description is short, but it mixes pricing details, brand attribution, and cryptic fragments like 'how/next point at unpaid' and 'Empty JSON still sells' without clear structure. The core behavior appears only in the second sentence and the wording is dense rather than clean.

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?

There is no output schema, and the description only hints at response shape through 'Rank listings...' and 'payTo on the JSON.' It gives enough for a simple zero-parameter read operation, but leaves the exact response structure and empty-result behavior ambiguous.

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 there is no parameter semantics to document. Schema description coverage is 100%, and the description correctly avoids inventing parameter details; baseline 4 is appropriate.

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 identifies the resource as a board that ranks listings by USDC bid total in the last 24 hours, which tells an agent what the tool provides. It stops short of being fully direct because it never states an explicit action like 'returns the board' and starts with a branded, jargony phrase.

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

Usage Guidelines3/5

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

It references related endpoints such as GET /check as a listing gate and GET /find at $0.01, and says REST GET /board is the same SKU. However, it does not explicitly say when to prefer this tool over those alternatives or when not to use it.

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

All x402 Checker (AI Nock) toolsInspect
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