x402check MCP Server

What the code does

We read the source, 3 d ago · rules ccca72095570

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

    subprocess.run(["ffmpeg", "-y", "-framerate", str(FPS), "-i",

        img.save(os.path.join(OUT, f"{name}-{idx}-{i:04d}.png"))

export const ICON_PNG_B64 = "iVBORw0KGgoAAAANSUhEUgAAAQAAAAEACAYAAABccqhmAAAYv0lEQVR42u3deXhTVf4G8Pd7k6ZtWgpdUgptwREsICKLuMCoIMrmyoCUgiggLqAzLuMCKsyAM47bjNsAggsIsoOIigOKyo5IlfWnQgdUaAttU1pom9I2zT2/P1R0ZGubkyZp3s/z8DzaNifnnnPPe8+5ublXEITi4uJiDCO8tViNVlBoDUgrAc5RIo0BFQ0gGpAoAWJB5CU…

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add x402check -- npx -y @x402check/mcp

{
  "mcpServers": {
    "x402check": {
      "args": [
        "-y",
        "@x402check/mcp"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.x402check]
command = "npx"
args = ["-y", "@x402check/mcp"]

{
  "mcpServers": {
    "x402check": {
      "args": [
        "-y",
        "@x402check/mcp"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "x402check": {
      "args": [
        "-y",
        "@x402check/mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: X402CHECK_CREDIT_TOKEN (Prepaid credit token (x402c_…, from POST https://x402check.xyz/v1/credits): $0.001 a check), X402CHECK_PAYER_KEY (Private key of a dedicated low-balance wallet: pays the x402 resources x402check_pay clears, and per-call checks without credits), X402CHECK_BUDGET_USD (Spend cap for this server process: the payer's spend (checks and resources), and separately what checks spend from prepaid credits), X402CHECK_PINNED_KEYS (Comma-separated RFC 7638 thumbprints of the attestation keys accepted (default: x402check's own keys, for its own issuer)), X402CHECK_MAX_PAYMENT_USD (The most a single payment may cost (a check or a resource)). The author declared them in the registry entry; get the values from the project itself.