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mcp/harbor
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x402 Preflight MCP

v1.0.2 changelog · 1

io.github.chico10117/x402-preflight

Check an x402 endpoint's payment challenge and discovery metadata before paying.

transport:streamable-http tools:3
View source

Target client

run in your project directory 

claude mcp add --transport http x402-preflight https://x402.chikocorp.com/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

inspect_x402_endpoint Read-only

inspect x402 endpoint

audit_x402_endpoint

audit x402 endpoint

order_x402_remediation

order x402 remediation

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.