x402 Preflight

io.github.chico10117/x402-preflight

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Cursor · HTTP clients.

{
  "mcpServers": {
    "x402-preflight": {
      "url": "https://x402.chikocorp.com/mcp"
    }
  }
}

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.0.2
Registry
active
Published
11/5/2026

Remotes

  • streamable-httphttps://x402.chikocorp.com/mcp

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Add the badge to your site

Show visitors that x402 Preflight is listed here — it’s also the link we check for a free listing.

x402 Preflight — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-chico10117-x402-preflight?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="x402 Preflight — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![x402 Preflight — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-chico10117-x402-preflight?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.