MCP server for Duplicati backup management — list, run, monitor and configure jobs from an LLM.
MCP server for Duplicati backup management — list, run, monitor and configure jobs from an LLM.
Valid MCP server (2 strong, 4 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
9 files analyzed · No issues found
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Set these up before or after installing:
Environment variable: DUPLICATI_URL
Environment variable: DUPLICATI_PASSWORD
Environment variable: DUPLICATI_READONLY
From the project's GitHub README.
MCP (Model Context Protocol) server for managing Duplicati backups from an LLM.
Version française / French version
The server wraps the Duplicati REST API and exposes it via the MCP protocol. Two transports are supported:
The simplest way to get started. The .mcp.json at the project root handles everything:
# Install uv if needed
brew install uv
# Claude Code will auto-detect .mcp.json and launch the server
Set your Duplicati URL and password in .mcp.json:
{
"mcpServers": {
"duplicati": {
"type": "stdio",
"command": "uv",
"args": ["run", "duplicati-mcp"],
"env": {
"DUPLICATI_URL": "http://localhost:8200",
"DUPLICATI_PASSWORD": "your-password",
"DUPLICATI_READONLY": ""
}
}
}
}
# Edit DUPLICATI_URL and DUPLICATI_PASSWORD in docker-compose.yml, then:
docker compose up -d
# Edit docker-compose.yml: comment out `image:` and uncomment `build: .`
docker compose up -d --build
docker run -d \
--name duplicati-mcp-server \
-p 3000:3000 \
-e DUPLICATI_URL=http://your-duplicati-host:8200 \
-e DUPLICATI_PASSWORD=your-password \
kcofoni/duplicati-mcp:latest
# Check that the server is running
docker logs duplicati-mcp-server
# Test the MCP endpoint
curl -X POST http://localhost:3000/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"test","version":"1.0"}}}'
For local use without Docker, add to your project .mcp.json:
{
"mcpServers": {
"duplicati": {
"type": "stdio",
"command": "uv",
"args": ["run", "duplicati-mcp"],
"env": {
"DUPLICATI_URL": "http://localhost:8200",
"DUPLICATI_READONLY": ""
}
}
}
}
Credentials are loaded from the .env file at the project root (see Getting Started).
Add to your .mcp.json:
{
"mcpServers": {
"duplicati": {
"type": "http",
"url": "http://your-host:3000/mcp"
}
}
}
Claude Desktop requires mcp-proxy as a bridge to HTTP servers. Add to your configuration file:
macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"duplicati": {
"command": "uvx",
"args": ["mcp-proxy", "--transport", "streamablehttp", "http://your-host:3000/mcp"]
}
}
}
Once connected, the LLM has access to:
export_backup_config to modify sources, settings, schedule, etc.)| Variable | Default | Description |
|---|---|---|
DUPLICATI_URL | http://localhost:8200 | URL of the Duplicati instance |
DUPLICATI_PASSWORD | (empty) | Duplicati web interface password (leave empty if none set) |
DUPLICATI_READONLY | (empty) | Set to true, 1 or yes to disable write operations |
MCP_TRANSPORT | stdio | Transport: stdio or streamable-http |
MCP_PORT | 3000 | Port for Streamable HTTP transport |
DUPLICATI_READONLY=true disables run_backup, abort_backup, update_backup_config and import_backup_config. All read tools remain active. Useful for safely exploring and analysing backup configurations without any risk of modification.
kcofoni/duplicati-mcp:latestdocker pull kcofoni/duplicati-mcp:latest
duplicati-mcp/
├── src/
│ └── duplicati_mcp/
│ ├── __init__.py
│ ├── __main__.py
│ ├── client.py # Duplicati REST API client
│ └── server.py # FastMCP server and tools
├── mcp-publication/ # MCP registry publication files
├── requirements.txt # Python dependencies
├── pyproject.toml # Project metadata
├── Dockerfile
├── docker-compose.yml
├── .mcp.json # Claude Code local config (stdio)
├── test_server.sh # Docker container smoke test
├── test_mcp.py # MCP protocol test
├── README.md # This file (English)
└── README_fr.md # French documentation
# Smoke test (requires running Docker container)
./test_server.sh
# MCP protocol test (requires running server)
python test_mcp.py
python test_mcp.py localhost:3000
uv run mcp dev src/duplicati_mcp/server.py
Check that DUPLICATI_URL is reachable from the container. If both run in Docker, put them on the same network and use the service name as hostname.
Verify DUPLICATI_PASSWORD matches the password set in Duplicati's web interface. Leave empty if no password is configured.
docker ps | grep duplicati-mcp-server
docker logs duplicati-mcp-server
This project is licensed under the MIT License — see the LICENSE file for details.
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