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Keephaven Mcp

io.github.dafarusd/keephaven-mcp ยท v0.1.0

Agent memory on your own Keephaven home server: files, append-only journal, search.

Connect Runs on your machine

Terminal
claude mcp add keephaven-mcp -e KEEPHAVEN_URL=<KEEPHAVEN_URL> -e KEEPHAVEN_TOKEN=<KEEPHAVEN_TOKEN> -- npx -y @dafarusd/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "keephaven-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@dafarusd/[email protected]"
      ],
      "env": {
        "KEEPHAVEN_URL": "<KEEPHAVEN_URL>",
        "KEEPHAVEN_TOKEN": "<KEEPHAVEN_TOKEN>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "keephaven-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@dafarusd/[email protected]"
      ],
      "env": {
        "KEEPHAVEN_URL": "<KEEPHAVEN_URL>",
        "KEEPHAVEN_TOKEN": "<KEEPHAVEN_TOKEN>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "keephaven-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@dafarusd/[email protected]"
      ],
      "env": {
        "KEEPHAVEN_URL": "<KEEPHAVEN_URL>",
        "KEEPHAVEN_TOKEN": "<KEEPHAVEN_TOKEN>"
      }
    }
  }
}

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
KEEPHAVEN_URL
Required
The box's memory API, e.g. http://keephaven-xxxx.local:8790
KEEPHAVEN_TOKEN
Required, secret
Agent token from Settings > Agents on the box

Details

Package@dafarusd/[email protected] (NPM, stdio)
First published26 Oct 2026
Last updated26 Oct 2026
Registry nameio.github.dafarusd/keephaven-mcp

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