# 402MCP.org — HTTP 402 & Agent Payment Registry

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

- Weekly downloads: 629
- GitHub stars: 0
- Health: active
- Repository: https://github.com/402mcp/402mcp
- Registry names: org.402mcp/registry
- Categories: Dev tools & GitHub, Payments & commerce
- Snapshot: 2026-10-20

## Install

```sh
npx -y @402mcp/mcp
```

```json
{
  "mcpServers": {
    "402mcp-org-http-402-agent-payment-registry": {
      "command": "npx",
      "args": [
        "-y",
        "@402mcp/mcp"
      ]
    }
  }
}
```

Source: https://mcpmorning.com/mcp/402mcp-402mcp/