# callx402 MCP server

Read-only x402 payment diagnostics: diagnose, evidence, explain, recover, resolve, status. Zero deps

- Weekly downloads: 1023
- GitHub stars: n/a
- Health: unknown
- Repository: https://github.com/payloadhq/callx402
- Registry names: io.github.payload-tools/callx402
- Categories: Dev tools & GitHub, Payments & commerce
- Snapshot: 2026-10-14

## Install

```sh
npx -y callx402
```

```json
{
  "mcpServers": {
    "callx402-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "callx402"
      ]
    }
  }
}
```

Source: https://mcpmorning.com/mcp/payloadhq-callx402/