Duplicacy MCP

★ 1

from GeiserX

Monitor backup status and query Prometheus metrics from a Duplicacy exporter

🔥🔥🔥✓ VerifiedFreeAdvanced setup

#email #automation #devops #git #security #monitoring

<img src="docs/images/banner.svg" alt="Duplicacy MCP banner" width="900"/> <h1 align="center">Duplicacy-MCP</h1> <a href="https://codecov.io/gh/GeiserX/duplicacy-mcp"><img src="https://codecov.io/gh/GeiserX/duplicacy-mcp/graph/badge.svg" alt="codecov"/></a> <a href="https://www.npmjs.com/package/duplicacy-mcp"><img src="https://img.shields.io/npm/v/duplicacy-mcp?style=flat-square&logo=npm" alt="npm"/></a> <img src="https://img.shields.io/badge/Go-1.25-blue?style=flat-square&logo=go&logoColor=white" alt="Go"/> <a href="https://hub.docker.com/r/drumsergio/duplicacy-mcp"><img src="https://img.shields.io/docker/pulls/drumsergio/duplicacy-mcp?style=flat-square&logo=docker" alt="Docker Pulls"/></a> <a href="https://github.com/GeiserX/duplicacy-mcp/stargazers"><img src="https://img.shields.io/github/stars/GeiserX/duplicacy-mcp?style=flat-square&logo=github" alt="GitHub Stars"/></a> <a href="https://github.com/GeiserX/duplicacy-mcp/blob/main/LICENSE"><img src="https://img.shields.io/github/license/GeiserX/duplicacy-mcp?style=flat-square" alt="License"/></a> <a href="https://registry.modelcontextprotocol.io"><img src="https://img.shields.io/badge/MCP-Official%20Registry-E6522C?style=flat-square" alt="Official MCP Registry"/></a> <a href="https://glama.ai/mcp/servers/GeiserX/duplicacy-mcp"><img src="https://glama.ai/mcp/servers/GeiserX/duplicacy-mcp/badges/score.svg" alt="Glama MCP Server" /></a> <a href="https://mcpservers.org/servers/geiserx/duplicacy-mcp"><img src="https://img.shields.io/badge/MCPServers.org-listed-green?style=flat-square" alt="MCPServers.org"/></a> <a href="https://mcp.so/server/duplicacy-mcp"><img src="https://img.shields.io/badge/mcp.so-listed-blue?style=flat-square" alt="mcp.so"/></a> <a href="https://github.com/toolsdk-ai/toolsdk-mcp-registry"><img src="https://img.shields.io/badge/ToolSDK-Registry-orange?style=flat-square" alt="ToolSDK Registry"/></a> <a href="https://github.com/punkpeye/awesome-mcp-servers#readme"><img src="https://img.shields.io/badge/listed%20on-awesome--mcp--servers-E6522C?style=flat-square" alt="listed on awesome-mcp-servers"/></a> A tiny bridge that reads Duplicacy backup metrics from a Prometheus exporter and exposes them as an MCP server, enabling LLMs to monitor backup status, progress, and health.

What you get

Type	What for	MCP URI / Tool id
Resources	Browse backup status, progress, and health read-only	`duplicacy://status`<br>`duplicacy://progress`<br>`duplicacy://health`
Tools	Query backup history, list snapshots, and check prune status	`get_backup_status`<br>`get_backup_history`<br>`list_snapshots`<br>`get_prune_status`

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

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.

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

Testing

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

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

Related Projects

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

Copy & paste — that's it

npx duplicacy-mcp

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.

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.

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"
}