OpenClaw Nextcloud Skill

This skill provides integration with a Nextcloud instance. It supports access to Notes, Tasks (Todos), Calendars, Files, and Contacts.

Configuration

The skill requires the following environment variables:

• NEXTCLOUD_URL: The base URL of your Nextcloud instance (e.g., https://cloud.example.com).

• NEXTCLOUD_USER: Your Nextcloud username.

• NEXTCLOUD_TOKEN: An App Password (recommended) or your login password.

Features

1. Notes (Read/Write)

• List, get, create, update, and delete notes.

• API: index.php/apps/notes/api/v1/notes

2. Tasks / Todos (Read/Write)

• List, create, update, delete, and complete tasks.

• API: CalDAV (VTODO).

3. Calendar (Read/Write)

• List, create, update, and delete events.

• API: CalDAV (VEVENT).

4. Files (Read/Write)

• List, search, upload, download, and delete files.

• API: WebDAV.

5. Contacts (Read/Write)

• List, get, create, update, delete, and search contacts.

• API: CardDAV.

Usage

Run the skill via the bundled script.

node scripts/nextcloud.js <command> <subcommand> [options]

Commands

Notes

• notes list

• notes get --id <id>

• notes create --title <t> --content <c> [--category <cat>]

• notes edit --id <id> [--title <t>] [--content <c>] [--category <cat>]

• notes delete --id <id>

Tasks

• tasks list [--calendar <c>]

• tasks create --title <t> [--calendar <c>] [--due <d>] [--priority <p>] [--description <d>]

• tasks edit --uid <u> [--calendar <c>] [--title <t>] [--due <d>] [--priority <p>] [--description <d>]

• tasks delete --uid <u> [--calendar <c>]

• tasks complete --uid <u> [--calendar <c>]

Calendar Events

• calendar list [--from <iso>] [--to <iso>] (Defaults to next 7 days)

• calendar create --summary <s> --start <iso> --end <iso> [--calendar <c>] [--description <d>]

• calendar edit --uid <u> [--calendar <c>] [--summary <s>] [--start <iso>] [--end <iso>] [--description <d>]

• calendar delete --uid <u> [--calendar <c>]

Calendars (list available calendars)

• calendars list [--type <tasks|events>]

Files

• files list [--path <path>]

• files search --query <q>

• files get --path <path> (download file content)

• files upload --path <path> --content <content>

• files delete --path <path>

Contacts

• contacts list [--addressbook <ab>]

• contacts get --uid <u> [--addressbook <ab>]

• contacts search --query <q> [--addressbook <ab>]

• contacts create --name <n> [--addressbook <ab>] [--email <e>] [--phone <p>] [--organization <o>] [--title <t>] [--note <n>]

• contacts edit --uid <u> [--addressbook <ab>] [--name <n>] [--email <e>] [--phone <p>] [--organization <o>] [--title <t>] [--note <n>]

• contacts delete --uid <u> [--addressbook <ab>]

Address Books (list available address books)

• addressbooks list

Output Format

All outputs are JSON formatted.

Tasks List Output

{
  "status": "success",
  "data": [
    {
      "uid": "unique-task-id",
      "calendar": "Calendar Name",
      "summary": "Task title",
      "status": "NEEDS-ACTION",
      "due": "20260201T153000Z",
      "priority": 0
    }
  ]
}

• due: CalDAV format date (YYYYMMDDTHHmmssZ) or null

• priority: 0-9 (0 = undefined, 1 = highest, 9 = lowest) or null

Calendar Events List Output

{
  "status": "success",
  "data": [
    {
      "uid": "unique-event-id",
      "calendar": "Calendar Name",
      "summary": "Event title",
      "start": "20260205T100000Z",
      "end": "20260205T110000Z"
    }
  ]
}

Contacts List Output

{
  "status": "success",
  "data": [
    {
      "uid": "unique-contact-id",
      "addressBook": "Address Book Name",
      "fullName": "John Doe",
      "name": "Doe;John;;;",
      "phones": ["+1234567890"],
      "emails": ["[email protected]"],
      "organization": "ACME Inc",
      "title": "Developer",
      "note": "Met at conference"
    }
  ]
}

• phones: Array of phone numbers or null

• emails: Array of email addresses or null

• name: Structured name in vCard format (Last;First;Middle;Prefix;Suffix)

General Format

{
  "status": "success",
  "data": [ ... ]
}

or

{
  "status": "error",
  "message": "Error description"
}

Agent Behavior: Default Calendar Selection

When creating tasks or calendar events, if the user does not specify a calendar:

1. First time (no default set):

   • Run calendars list --type tasks (for tasks) or calendars list --type events (for events)
   • Ask the user which calendar to use from the list
   • Ask if they want to set it as the default for future operations
   • Remember their choice in memory

2. If user sets a default:

   • Remember default_task_calendar and/or default_event_calendar
   • Use automatically for subsequent operations without asking

3. If user declines to set a default:

   • Ask again next time they create a task/event without specifying a calendar

4. User can always override:

   • Explicitly specifying --calendar always takes precedence over the default

Memory Keys

• default_task_calendar: Default calendar name for tasks (VTODO)

• default_event_calendar: Default calendar name for events (VEVENT)

Agent Behavior: Default Address Book Selection

When creating contacts, if the user does not specify an address book:

1. First time (no default set):

   • Run addressbooks list
   • Ask the user which address book to use from the list
   • Ask if they want to set it as the default for future operations
   • Remember their choice in memory

2. If user sets a default:

   • Remember default_addressbook
   • Use automatically for subsequent operations without asking

3. If user declines to set a default:

   • Ask again next time they create a contact without specifying an address book

4. User can always override:

   • Explicitly specifying --addressbook always takes precedence over the default

Memory Keys

• default_addressbook: Default address book name for contacts

Agent Behavior: Presenting Information

When displaying data to the user, format it in a readable way. Output may be sent to messaging platforms (Telegram, WhatsApp, etc.) where markdown does not render, so avoid markdown formatting.

General Guidelines

• Use emojis to make output scannable and friendly

• Do NOT use markdown formatting (no bold, italic, code, tables, or lists with - or *)

• Use plain text with line breaks for structure

• Convert technical formats (like CalDAV dates) to human-readable formats

• Group related items logically

Emoji Reference

Tasks: ✅ (completed), ⬜ (pending), 🔴 (high priority), 🟡 (medium), 🟢 (low) Calendar: 📅 (event), ⏰ (time), 📍 (location) Notes: 📝 (note), 📁 (category) Files: 📄 (file), 📂 (folder), 💾 (size) Contacts: 👤 (person), 📧 (email), 📱 (phone), 🏢 (organization) Status: ✨ (created), ✏️ (updated), 🗑️ (deleted), ❌ (error)

Example Presentations

Tasks:

📋 Your Tasks

⬜ 🔴 Buy groceries — Due: Tomorrow 3:30 PM
⬜ 🟡 Review PR #42 — Due: Feb 5
✅ Send email to client

Calendar Events:

📅 Upcoming Events

🗓️ Team Standup
   ⏰ Mon, Feb 3 • 10:00 AM - 10:30 AM
   📍 Zoom

🗓️ Project Review
   ⏰ Wed, Feb 5 • 2:00 PM - 3:00 PM

Contacts:

👤 John Doe
   📧 [email protected]
   📱 +1 234 567 890
   🏢 ACME Inc — Developer

Files:

📂 Documents/
   📄 report.pdf (2.3 MB)
   📄 notes.txt (4 KB)
   📂 Archive/

Date/Time Formatting

Convert CalDAV format 20260205T100000Z to readable format like Wed, Feb 5 • 10:00 AM Show relative dates when helpful: "Tomorrow", "Next Monday", "In 3 days" Use the user's local timezone when possible