# ToolMint MCP Endpoint Health

> Live, read-only health check of a public remote MCP endpoint: reachability and TLS, Streamable HTTP initialize, negotiated protocol version, tools/list schema sanity, tool-description safety flags, auth and x402 (paid endpoint) detection, latency. Companion to x402-listing-doctor (which lints x402 listings in depth).

- Status: Coming soon
- Price: $0.01 / call (x402 exact, USDC on Base eip155:8453, payTo 0xfbF7413bcB3a604936775C96FDbe0b0C9c9E37F5)
- Planned URL: https://toolmint-mcp-endpoint-health.toolmint.workers.dev
- OpenAPI: https://toolmint.toolmint.workers.dev/tools/mcp-endpoint-health-json/openapi.json

## Routes

- `GET /check` $0.01: Check one MCP endpoint: reachability, initialize, protocol, tools/list schema sanity, auth/x402 detection