IBM watsonx.ai Granite MCP Server

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 ibm-watsonx -- npx -y @three-ws/ibm-watsonx-mcp

{
  "mcpServers": {
    "ibm-watsonx": {
      "args": [
        "-y",
        "@three-ws/ibm-watsonx-mcp"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.ibm-watsonx]
command = "npx"
args = ["-y", "@three-ws/ibm-watsonx-mcp"]

{
  "mcpServers": {
    "ibm-watsonx": {
      "args": [
        "-y",
        "@three-ws/ibm-watsonx-mcp"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "ibm-watsonx": {
      "args": [
        "-y",
        "@three-ws/ibm-watsonx-mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: WATSONX_API_KEY (IBM Cloud API key (create one at https://cloud.ibm.com/iam/apikeys).), WATSONX_PROJECT_ID (watsonx.ai project id (Project → Manage → General → Project ID). Provide this or WATSONX_SPACE_ID.), WATSONX_SPACE_ID (watsonx.ai deployment space id. Alternative to WATSONX_PROJECT_ID.), WATSONX_URL (Regional inference host. Defaults to https://us-south.ml.cloud.ibm.com.), WATSONX_MODEL_ID (Default chat/generation model id. Defaults to ibm/granite-3-8b-instruct.), WATSONX_EMBED_MODEL_ID (Default embedding model id. Defaults to ibm/granite-embedding-278m-multilingual.), WATSONX_API_VERSION (watsonx.ai REST API version date. Defaults to 2024-05-31.). The author declared them in the registry entry; get the values from the project itself.