Model Context Protocol (MCP) server for Nextcloud integration - enables AI assistants to interact with Nextcloud data
Model Context Protocol (MCP) server for Nextcloud integration - enables AI assistants to interact with Nextcloud data. That is what the nextcloud mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.
Enable Large Language Models like Claude, GPT, and Gemini to interact with your Nextcloud data through a secure API. Create notes, manage calendars, organize contacts, work with files, and more - all through natural language conversations.
The server publishes 14 tools. What each one is for:
Production — Ready Auth** - Basic Auth with app passwords; multi-user via Login Flow v2 — MCP clients authenticate via OAuth, the server handles Nextcloud appTag — Based File Exclusion** - Hide sensitive files/folders from MCP file tools by tagging them with a configured Nextcloud system tag (EXCLUDED_TAGS). SeeApp — ToolsNotes — 7Calendar — 20+Contacts — 8Deck — 15Cookbook — 13Tables — 5Sharing — 10+News — 8Mail — 13Configuration is passed through the environment: NEXTCLOUD_HOST, NEXTCLOUD_USERNAME, NEXTCLOUD_PASSWORD. 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.
Because this one is hosted, setup is mostly authentication — you point your client at the endpoint and approve access. Nothing runs on your machine, so there is no runtime to keep patched.
This sits in the cloud and infrastructure group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Nextcloud's toolset — Production, Tag, App and 11 more — is a fair guide to whether it matches your workflow. It is maintained by Chris Coutinho; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| Production | Ready Auth** - Basic Auth with app passwords; multi-user via Login Flow v2 — MCP clients authenticate via OAuth, the server handles Nextcloud app passwords transparently |
| Tag | Based File Exclusion** - Hide sensitive files/folders from MCP file tools by tagging them with a configured Nextcloud system tag (EXCLUDED_TAGS). See [docs/configuration.md](docs/configuration.md#tag-based-file-exclusion |
| App | Tools |
| Notes | 7 |
| Calendar | 20+ |
| Contacts | 8 |
| Deck | 15 |
| Cookbook | 13 |
| Tables | 5 |
| Sharing | 10+ |
| News | 8 |
| 13 | |
| Collectives | 16 |
| Mode | Best for |
{
"mcpServers": {
"nextcloud": {
"command": "uvx",
"args": ["nextcloud-mcp-server"],
"env": {
"NEXTCLOUD_HOST": "your-value",
"NEXTCLOUD_USERNAME": "your-value",
"NEXTCLOUD_PASSWORD": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| NEXTCLOUD_HOST | Endpoint or connection string the server talks to. | Optional |
| NEXTCLOUD_USERNAME | Configuration value read at startup. | Optional |
| NEXTCLOUD_PASSWORD | Configuration value read at startup. | Optional |
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