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Kx402

io.github.Kali123411/kx402 · v0.1.1

Kaspa x402 agent payer — pay x402 v2 services on Kaspa (KAS) per call, no account or API key

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add kx402 -e KASPA_X402_KASPA_WASM_MODULE=<KASPA_X402_KASPA_WASM_MODULE> -e KASPA_X402_FUNDING_WALLET=<KASPA_X402_FUNDING_WALLET> -e KASPA_X402_NETWORK=<KASPA_X402_NETWORK> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "kx402": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "KASPA_X402_KASPA_WASM_MODULE": "<KASPA_X402_KASPA_WASM_MODULE>",
        "KASPA_X402_FUNDING_WALLET": "<KASPA_X402_FUNDING_WALLET>",
        "KASPA_X402_NETWORK": "<KASPA_X402_NETWORK>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "kx402": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "KASPA_X402_KASPA_WASM_MODULE": "<KASPA_X402_KASPA_WASM_MODULE>",
        "KASPA_X402_FUNDING_WALLET": "<KASPA_X402_FUNDING_WALLET>",
        "KASPA_X402_NETWORK": "<KASPA_X402_NETWORK>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "kx402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "KASPA_X402_KASPA_WASM_MODULE": "<KASPA_X402_KASPA_WASM_MODULE>",
        "KASPA_X402_FUNDING_WALLET": "<KASPA_X402_FUNDING_WALLET>",
        "KASPA_X402_NETWORK": "<KASPA_X402_NETWORK>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
KASPA_X402_KASPA_WASM_MODULE
Required		Path to the rusty-kaspa v2.0.0 nodejs WASM SDK (kaspa.js). Get it with the repo's `npm run fetch-sdk`.
KASPA_X402_FUNDING_WALLET
Required, secret		Funding key: wallet-key:<path> to a 0600 file holding a 64-hex private key, or a raw 64-hex key.
KASPA_X402_NETWORK
Optional		kaspa:mainnet or kaspa:testnet-10 (default testnet-10).

Details

Package[email protected] (NPM, stdio)
First published21 Jul 2026
Last updated21 Jul 2026
Registry nameio.github.Kali123411/kx402

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