io.github.fernsugi/x402-api

@x402-api/mcp-server

DeFi data API for AI agents — pay-per-call via x402/USDC on Base

57/wk 8 tools GitHub npm

No known CVEs

MIT license

Maintained

Last commit 168d ago

Works with most clients

Transport: stdio, sse, http

8 tools · ~629 tok

Grade B · 0.3% of 200K ctx

MCPpedia last refreshed this data 1d ago

Edit this pageView history

io.github.fernsugi/x402-api is an MCP server that DeFi data API for AI agents — pay-per-call via x402/USDC on Base. 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

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-api": {
      "args": [
        "@x402-api/mcp-server"
      ],
      "command": "npx"
    }
  }
}

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

Read me

What io.github.fernsugi/x402-api does

MCP server that gives Claude, ChatGPT, and any MCP-compatible AI agent access to pay-per-call crypto/DeFi data via the x402 protocol.

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 '@x402-api/mcp-server' 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 @x402-api/mcp-server against OSV.dev.

Inventory

Tools (8)

Click any tool to inspect its schema.

~629 tokens total

Community

Reviews

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

Frequently Asked Questions

Is io.github.fernsugi/x402-api safe to use?: io.github.fernsugi/x402-api 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 io.github.fernsugi/x402-api?: io.github.fernsugi/x402-api 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 io.github.fernsugi/x402-api do?: io.github.fernsugi/x402-api provides 8 tools: get_crypto_prices, get_gas_prices, get_dex_quotes, scan_token, track_whales and 3 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.fernsugi/x402-api?: io.github.fernsugi/x402-api is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.fernsugi/x402-api actively maintained?: io.github.fernsugi/x402-api is less actively maintained — last commit was 168 days ago.

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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?

Frequently Asked Questions

Is io.github.fernsugi/x402-api safe to use?

io.github.fernsugi/x402-api 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 io.github.fernsugi/x402-api?

io.github.fernsugi/x402-api 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 io.github.fernsugi/x402-api do?

io.github.fernsugi/x402-api provides 8 tools: get_crypto_prices, get_gas_prices, get_dex_quotes, scan_token, track_whales and 3 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.fernsugi/x402-api?

io.github.fernsugi/x402-api is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is io.github.fernsugi/x402-api actively maintained?

io.github.fernsugi/x402-api is less actively maintained — last commit was 168 days ago.