Nextcloud CalDAV MCP Server

An MCP server that lets Claude create calendar events and tasks in Nextcloud via CalDAV.

→ eragooon/nextcloud_calendar_todo_mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 2 credentials: NEXTCLOUD_APP_PASSWORD, OAUTH_CLIENT_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configNEXTCLOUD_URL

configNEXTCLOUD_USER— youruser Your login username

🔐 secretNEXTCLOUD_APP_PASSWORD— xxxx-xxxx-xxxx See step below

configCALENDAR_NAME— Personal Exact display name in Nextcloud Calendar

configFAMILY_CALENDAR_NAME

configTASKS_CALENDAR_NAME— Tasks Exact display name in Nextcloud Tasks

configOAUTH_CLIENT_ID— calendar-todo-client Any identifier you choose

🔐 secretOAUTH_CLIENT_SECRET— (generated) Run python3 -c "import secrets; print(secrets.token_urlsafe(32))"

configHOST

configPORT— Tailscale 502 Bad Gateway MCP server not running, or wrong in .env

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/eragooon-nextcloud-calendar-todo-mcp-1ny32o)](https://m8ven.ai/mcp/eragooon-nextcloud-calendar-todo-mcp-1ny32o)

commit: 07047c93c7390da8f82f37797e7b49270ffc813d

code hash: 4519058ee160924835a6909267c4d07a11068a2199961889ad9d78af92036d5b

verified: 6/24/2026, 10:02:11 AM

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