kdbx MCP Server

Name: kdbx MCP Server
Author: io.github.yarrasys

io.github.yarrasys/kdbx

Repository Registry

What is the kdbx MCP server?

Read-only access to secrets in a local KeePassXC vault. Runs commands with them injected.

How to install kdbx

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

KEEPASSXC_DIR
Where kdbx looks for vaults inside the container. Must match the mount target above.
KDBX_ENV
Environment to select, overriding the pointer's defaultEnv. Optional.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "kdbx": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/yarrasys/kdbx:0.3.1",
        "-v",
        "{project_dir}:/work",
        "-v",
        "{keepassxc_dir}:/kpx:ro",
        "-w",
        "/work",
        "mcp"
      ],
      "env": {
        "KEEPASSXC_DIR": "<YOUR_KEEPASSXC_DIR>",
        "KDBX_ENV": "<YOUR_KDBX_ENV>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "kdbx": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/yarrasys/kdbx:0.3.1",
        "-v",
        "{project_dir}:/work",
        "-v",
        "{keepassxc_dir}:/kpx:ro",
        "-w",
        "/work",
        "mcp"
      ],
      "env": {
        "KEEPASSXC_DIR": "<YOUR_KEEPASSXC_DIR>",
        "KDBX_ENV": "<YOUR_KDBX_ENV>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "kdbx": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/yarrasys/kdbx:0.3.1",
        "-v",
        "{project_dir}:/work",
        "-v",
        "{keepassxc_dir}:/kpx:ro",
        "-w",
        "/work",
        "mcp"
      ],
      "env": {
        "KEEPASSXC_DIR": "<YOUR_KEEPASSXC_DIR>",
        "KDBX_ENV": "<YOUR_KDBX_ENV>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "kdbx": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/yarrasys/kdbx:0.3.1",
        "-v",
        "{project_dir}:/work",
        "-v",
        "{keepassxc_dir}:/kpx:ro",
        "-w",
        "/work",
        "mcp"
      ],
      "env": {
        "KEEPASSXC_DIR": "<YOUR_KEEPASSXC_DIR>",
        "KDBX_ENV": "<YOUR_KDBX_ENV>"
      }
    }
  }
}

Claude Code

claude mcp add kdbx --env KEEPASSXC_DIR=<YOUR_KEEPASSXC_DIR> --env KDBX_ENV=<YOUR_KDBX_ENV> -- docker run -i --rm ghcr.io/yarrasys/kdbx:0.3.1 -v {project_dir}:/work -v {keepassxc_dir}:/kpx:ro -w /work mcp