x402-audit-mcp

Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
85%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~410Tokens (tool definitions)
~516 BTypical response size
Minimal attention impact (0.32% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "x402-audit-mcp": {
      "url": "https://agentdiet-72343955726.us-central1.run.app/mcp/x402-audit"
    }
  }
}

Remote endpoints

https://agentdiet-72343955726.us-central1.run.app/mcp/x402-auditstreamable-http
https://x402-audit-72343955726.us-central1.run.app/mcp/x402-auditstreamable-http

What it can do

Tool inventory

Tools (2)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢audit_x402_and_a2a_endpoint(url)

A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor (0.01 USDC via x402): Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers. WHEN TO USE: Call for deterministic, token-efficient `audit_x402_and_a2a_endpoint` execution. WHEN NOT TO USE: Skip on binary media or unrelated domains. BEHAVIOR: Read-only, idempotent, 1h cache (<5ms HIT), SHA-256 ROI proof (HTTP 402 / x402 Base USDC / L402).

Input Schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target A2A, MCP, or x402 service URL to audit for protocol compliance",
      "minLength": 1,
      "maxLength": 99999
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}
🟢get_agent_wallet_status(agent_id)

Returns the calling agent's remaining free quota, USD balance, and total tokens saved. WHEN TO USE: Call for deterministic, token-efficient `get_agent_wallet_status` execution. WHEN NOT TO USE: Skip on binary media or unrelated domains. BEHAVIOR: Read-only, idempotent, 1h cache (<5ms HIT), SHA-256 ROI proof (HTTP 402 / x402 Base USDC / L402).

Input Schema

{
  "type": "object",
  "properties": {
    "agent_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 99999
    }
  },
  "additionalProperties": false
}

Community

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Evidence

Recent observations

verifiedversion not recorded2 tools
verifiedversion not recorded2 tools