MCP server for Duplicacy — monitor backup status and Prometheus metrics via the Model Context Protocol
Most monitoring and observability work still happens through a UI a human drives. Duplicacy MCP MCP server moves it into the conversation instead. MCP server for Duplicacy — monitor backup status and Prometheus metrics via the Model Context Protocol.
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.
Installation goes through your MCP client rather than a global install: point it at duplicacy-mcp on npm and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.
The server publishes 8 tools. What each one is for:
Type — What forResources — Browse backup status, progress, and health read-onlyTools — Query backup history, list snapshots, and check prune statusVariable — DefaultDUPLICACY_EXPORTER_URL — http://localhost:9750LISTEN_ADDR — 127.0.0.1:8080TRANSPORT — (empty = HTTP)Project — DescriptionConfiguration is passed through the environment: DUPLICACY_EXPORTER_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Among the monitoring and observability options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Duplicacy MCP's toolset — Type, Resources, Tools and 5 more — is a fair guide to whether it matches your workflow. It is maintained by geiserx; worth a glance at recent repository activity before you build anything load-bearing on it.
This entry was verified against Duplicacy MCP's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.
| Tool | What it does |
|---|---|
| Type | What for |
| Resources | Browse backup status, progress, and health read-only |
| Tools | Query backup history, list snapshots, and check prune status |
| Variable | Default |
| DUPLICACY_EXPORTER_URL | http://localhost:9750 |
| LISTEN_ADDR | 127.0.0.1:8080 |
| TRANSPORT | _(empty = HTTP)_ |
| Project | Description |
{
"mcpServers": {
"duplicacy": {
"command": "npx",
"args": ["-y", "duplicacy-mcp"],
"env": {
"DUPLICACY_EXPORTER_URL": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| DUPLICACY_EXPORTER_URL | Endpoint or connection string the server talks to. | Yes |
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