X402 Discovery MCP Server

x402scout

Discover x402 APIs by capability, price & trust. Powered by x402Scout.

4 9 tools GitHub npm PyPI

No known CVEs

MIT license

Maintained

Last commit 168d ago

Works with most clients

Transport: stdio, sse, http

9 tools · ~707 tok

Grade B · 0.4% of 200K ctx

MCPpedia last refreshed this data 1d ago

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X402 Discovery MCP Server is an MCP server that discover x402 APIs by capability, price & trust. Powered by x402Scout. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 75/100 on MCPpedia's security, maintenance and efficiency rubric.

Finance Search

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "x402-discovery": {
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/rplryan/x402-discovery-mcp:latest"
      ],
      "command": "docker"
    }
  }
}

Are you the author?

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-rplryan-x402-discovery-mcp)](https://mcppedia.org/s/io-github-rplryan-x402-discovery-mcp)

Read me

What X402 Discovery MCP Server does

⭐ Star to help others find this — if x402Scout has saved you time, a star helps other developers find it

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'x402scout' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

75/100across 5 weighted dimensions

How we score →

0255075100

−25

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked x402scout against OSV.dev.

Inventory

Tools (9)

Click any tool to inspect its schema.

~707 tokens total

Inventory

Resources (4)

x402_discovery_api

Publicly accessible x402 Service Discovery API

https://x402scout.com/discover{?query,max_price_usd,category}

x402_catalog

Full x402 service catalog in well-known format

https://x402scout.com/.well-known/x402-discovery

scout_relay_api

Autonomous payment router API

https://x402-scout-relay.onrender.com{/health,/route,/execute,/discover,/audit,/placement/bid,/placement/bids}

scoutgate_api

Instant x402 API monetization service

https://x402-scoutgate.onrender.com{/register,/api/{api_id}}

Community

Reviews

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Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is X402 Discovery MCP Server safe to use?: X402 Discovery MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install X402 Discovery MCP Server?: X402 Discovery MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can X402 Discovery MCP Server do?: X402 Discovery MCP Server provides 9 tools: x402_discover, x402_health, x402_register, x402_attest, x402_scan and 4 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with X402 Discovery MCP Server?: X402 Discovery MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is X402 Discovery MCP Server actively maintained?: X402 Discovery MCP Server is less actively maintained — last commit was 168 days ago. It has 4 GitHub stars.

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MCP Security Weekly

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

{ "mcpServers": { "x402-discovery": { "args": [ "run", "-i", "--rm", "ghcr.io/rplryan/x402-discovery-mcp:latest" ], "command": "docker" } } }

Frequently Asked Questions

Is X402 Discovery MCP Server safe to use?

X402 Discovery MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.

How do I install X402 Discovery MCP Server?

X402 Discovery MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can X402 Discovery MCP Server do?

X402 Discovery MCP Server provides 9 tools: x402_discover, x402_health, x402_register, x402_attest, x402_scan and 4 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with X402 Discovery MCP Server?

X402 Discovery MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is X402 Discovery MCP Server actively maintained?

X402 Discovery MCP Server is less actively maintained — last commit was 168 days ago. It has 4 GitHub stars.