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Claude Desktop

IBM Granite via x402 for Claude Desktop

io.github.nirholas/ibm-x402-mcp

x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call.

client:Claude Desktop transport:stdio runtime:npm

Install IBM Granite via x402 in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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{
  "mcpServers": {
    "ibm-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/ibm-x402-mcp"
      ],
      "env": {
        "MCP_SVM_PAYMENT_ADDRESS": "<MCP_SVM_PAYMENT_ADDRESS>",
        "WATSONX_API_KEY": "<WATSONX_API_KEY>",
        "WATSONX_PROJECT_ID": "<WATSONX_PROJECT_ID>",
        "WATSONX_SPACE_ID": "<WATSONX_SPACE_ID>",
        "WATSONX_URL": "<WATSONX_URL>",
        "WATSONX_MODEL_ID": "<WATSONX_MODEL_ID>",
        "WATSONX_EMBED_MODEL_ID": "<WATSONX_EMBED_MODEL_ID>",
        "X402_FEE_PAYER_SOLANA": "<X402_FEE_PAYER_SOLANA>",
        "X402_FACILITATOR_URL": "<X402_FACILITATOR_URL>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

IBM Granite via x402 in other clients

IBM Granite via x402 MCP server