Skip to content
Verified official

x402lint MCP

v0.2.0 changelog · 3

io.github.something-agent/x402lint

Free x402 endpoint linter: unpaid 402 challenge, payTo/asset/amount, CORS, directory readiness.

transport:streamable-http tools:3

Target client

run in your project directory

claude mcp add --transport http x402lint https://x402lint.something-agent.workers.dev/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

lint_x402_endpoint

lint x402 endpoint

check_directory_readiness Read-only

check directory readiness

lint_payment_required

lint payment required

All 3 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.