What can you do with this server?

Duplicacy-MCP is a monitoring server that exposes Duplicacy backup metrics (sourced from a Prometheus exporter) through an MCP interface. It provides the following capabilities: * get_backup_status: Retrieve the current backup status for a specific Duplicacy snapshot. * get_backup_history: Fetch last backup details for a specific snapshot, including files backed up, bytes transferred, duration, and exit code. * list_snapshots: List all unique Duplicacy snapshot IDs known to the exporter. * get_prune_status: Check the status of prune operations, with an optional filter for a specific storage target. * Resources: Browse read-only backup data via duplicacy://status, duplicacy://progress, and duplicacy://health for a high-level view of backup health and progress.

Which integrations are available for this server?

Integrates with a Prometheus exporter to monitor Duplicacy backup metrics, enabling the tracking of backup status, progress, health, history, and snapshot lists.

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duplicacy-mcp

by GeiserX

Overview Schema Related Servers Score Discussions

Remote

What you get

Type	What for	MCP URI / Tool id
Resources	Browse backup status, progress, and health read-only	`duplicacy://statusduplicacy://progressduplicacy://health`
Tools	Query backup history, list snapshots, and check prune status	`get_backup_statusget_backup_historylist_snapshotsget_prune_status`

Everything is exposed over a single JSON-RPC endpoint (/mcp). LLMs / Agents can: initialize -> readResource -> listTools -> callTool ... and so on.

Related MCP server: duplicati-mcp

Quick-start (Docker Compose)

services:
  duplicacy-mcp:
    image: drumsergio/duplicacy-mcp:0.1.0
    ports:
      - "127.0.0.1:8080:8080"
    environment:
      - DUPLICACY_EXPORTER_URL=http://duplicacy-exporter:9750

Security note: The HTTP transport listens on 127.0.0.1:8080 by default. If you need to expose it on a network, place it behind a reverse proxy with authentication.

Install via npm (stdio transport)

npx duplicacy-mcp

Or install globally:

npm install -g duplicacy-mcp
duplicacy-mcp

This downloads the pre-built Go binary from GitHub Releases for your platform and runs it with stdio transport. Requires at least one published release.

Local build

git clone https://github.com/GeiserX/duplicacy-mcp
cd duplicacy-mcp

# (optional) create .env from the sample
cp .env.example .env && $EDITOR .env

go run ./cmd/server

Configuration

Variable	Default	Description
`DUPLICACY_EXPORTER_URL`	`http://localhost:9750`	Duplicacy Prometheus exporter URL (without trailing /)
`LISTEN_ADDR`	`127.0.0.1:8080`	HTTP listen address (Docker sets `0.0.0.0:8080`)
`TRANSPORT`	(empty = HTTP)	Set to `stdio` for stdio transport

Put them in a .env file (from .env.example) or set them in the environment.

Testing

Tested with Inspector and it is currently fully working. Before making a PR, make sure this MCP server behaves well via this medium.

Example configuration for client LLMs

{
  "schema_version": "v1",
  "name_for_human": "Duplicacy-MCP",
  "name_for_model": "duplicacy_mcp",
  "description_for_human": "Monitor Duplicacy backup status, progress, and health via Prometheus metrics.",
  "description_for_model": "Interact with a Duplicacy backup monitoring server that reads metrics from a Prometheus exporter. First call initialize, then reuse the returned session id in header \"Mcp-Session-Id\" for every other call. Use readResource to fetch URIs that begin with duplicacy://. Use listTools to discover available actions and callTool to execute them.",
  "auth": { "type": "none" },
  "api": {
    "type": "jsonrpc-mcp",
    "url":  "http://localhost:8080/mcp",
    "init_method": "initialize",
    "session_header": "Mcp-Session-Id"
  },
  "contact_email": "acsdesk@protonmail.com",
  "legal_info_url": "https://github.com/GeiserX/duplicacy-mcp/blob/main/LICENSE"
}

Credits

Duplicacy -- lock-free deduplication cloud backup

duplicacy-exporter -- Prometheus exporter for Duplicacy

MCP-GO -- modern MCP implementation

GoReleaser -- painless multi-arch releases

Maintainers

@GeiserX.

Contributing

Feel free to dive in! Open an issue or submit PRs.

Duplicacy-MCP follows the Contributor Covenant Code of Conduct.

Other MCP Servers by GeiserX

cashpilot-mcp — Passive income monitoring
genieacs-mcp — TR-069 device management
lynxprompt-mcp — AI configuration blueprints
pumperly-mcp — Fuel and EV charging prices
telegram-archive-mcp — Telegram message archive

Project	Description
duplicacy-cli-cron	Docker-based encrypted dual-storage backup automation using Duplicacy CLI
duplicacy-exporter	Real-time Prometheus exporter for Duplicacy backups
duplicacy-ha	Home Assistant custom integration for monitoring Duplicacy backups
duplicacy-container	Container image and Helm chart for running Duplicacy on Kubernetes

Install Server

license - permissive license

quality

maintenance

How are these scores calculated?

Maintenance

–Maintainers

–Response time

0dRelease cycle

3Releases (12mo)

Commit activity

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