402MCP.org — HTTP 402 & Agent Payment Registry

org.402mcp/registry

Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.

Connect this server

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

{
  "mcpServers": {
    "registry": {
      "command": "npx",
      "args": [
        "-y",
        "@402mcp/mcp@1.1.1"
      ]
    }
  }
}

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

Category
AI & ML
Version
1.1.1
Registry
active
Published
10/16/2026

Remotes

  • streamable-httphttps://402mcp.org/api/v1/mcp
Browse all AI & ML →

Add the badge to your site

Show visitors that 402MCP.org — HTTP 402 & Agent Payment Registry is listed here — it’s also the link we check for a free listing.

402MCP.org — HTTP 402 & Agent Payment Registry — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/org-402mcp-registry?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="402MCP.org — HTTP 402 & Agent Payment Registry — 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

[![402MCP.org — HTTP 402 & Agent Payment Registry — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/org-402mcp-registry?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.