X402 API MCP server

by fernsugi·io.github.fernsugi/x402-api·v1.0.5

Eight paid DeFi tools: prices, gas, swaps, token security, holders, yields, funding and wallets

C68/100grade C

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Safety scan

C68/100

not scanned yet

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Nobody has reviewed X402 API yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New registry listings are scanned within a day of import.

Runs npx -y @x402-api/mcp-server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add x402-api -- npx -y @x402-api/mcp-server

Is X402 API MCP server safe?: With care: it is graded C, so read the findings first (68/100). Read the X402 API safety report
How do I install X402 API?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does X402 API need an API key?: Yes. The registry entry asks for X402_WALLET_PRIVATE_KEY.
Is X402 API maintained?: The last commit was 215 days ago (2026-03-12). The latest release is v1.0.5.
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Local package. It runs on your machine, not through the gateway.

X402_API_BASE_URLx402 API base URL (default: https://x402-api.fly.dev)
X402_WALLET_PRIVATE_KEYsecretBase wallet private key for optional EIP-3009 auto-pay. Default mode inspects payment requirements without paying.
X402_MAX_PER_CALL_USDCMaximum USDC allowed per automatic tool call (default: 0.01)
X402_REFERRAL_SOURCEOptional referral label: github, glama, nohumans, bazaar, mcp, eliza, demo or test. Default mcp.
X402_EXPECTED_PAY_TOExpected payment recipient; defaults to the official x402-api wallet. Change only when using a trusted alternative deployment.

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Shows the safety grade and links back to this page. It updates itself after every scan and review.

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