Kx402 MCP Server

Kx402 is an MCP integration. Kaspa x402 agent payer — pay x402 v2 services on Kaspa (KAS) per call, no account or API key.

Packages and local setup

The published npm package is kx402, version 0.1.1. Its declared MCP transport is stdio.

The package declares 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): Funding key: wallet-key: to a 0600 file holding a 64-hex private key, or a raw 64-hex key.; KASPA_X402_NETWORK: kaspa:mainnet or kaspa:testnet-10 (default testnet-10)..

This package has launch arguments in its registry record. Use the maintainer’s configuration for those arguments rather than launching it with only the package name.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 0.1.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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