Check an x402 endpoint's payment challenge and discovery metadata before paying.
Connect Remote server
claude mcp add --transport http x402-preflight https://x402.chikocorp.com/mcp
{
"mcpServers": {
"x402-preflight": {
"url": "https://x402.chikocorp.com/mcp"
}
}
}
{
"servers": {
"x402-preflight": {
"type": "http",
"url": "https://x402.chikocorp.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://x402.chikocorp.com/mcp
Tools 3 found in our last check
inspect_x402_endpointFree endpoint check for API developers launching or debugging x402. Inspect your live payment challenge and caller-selected comparison policy without sending payment credentials. ALLOW and BLOCK are policy decisions, not launch certification; a price-limit BLOCK does not establi…
audit_x402_endpointTechnical audit for API developers launching or debugging x402. Returns deeper read-only evidence of payment configuration, schemas, redirects, CORS, cache behavior, OpenAPI, llms.txt, agent metadata, and x402 discovery consistency. Requires an explicitly authorized x402 purchas…
order_x402_remediationDiagnostic report for API developers launching or debugging x402. An explicitly authorized x402 purchase creates a durable order for asynchronous findings, evidence, and prioritized fix recommendations in JSON/Markdown. The receipt is not the completed report. No implementation,…
Details
| Endpoint | https://x402.chikocorp.com/mcp (Streamable HTTP) |
| First published | 5 Nov 2026 |
| Last updated | 5 Nov 2026 |
| Registry name | io.github.chico10117/x402-preflight |
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