x402 Preflight for Claude.ai

io.github.chico10117/x402-preflight

Inspect and validate an x402 endpoint before an autonomous agent spends USDC.

client:Claude.ai transport:streamable-http tools:3

Install x402 Preflight in Claude.ai

Settings → Connectors → Add custom connector

https://x402.chikocorp.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

inspect_x402_endpoint
audit_x402_endpoint
order_x402_remediation

x402 Preflight in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

x402 Preflight MCP server