pr-e/caldav-calendar
skills/caldav-calendar/SKILL.md
Sync and query CalDAV calendars (iCloud, Google, Fastmail, Nextcloud, etc.) using vdirsyncer + khal. Works on Linux.
$ install --global
skillsauthnpx skillsauth add pr-e/openclaw-master-skills caldav-calendarInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
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9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
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OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: Apr 6, 2026, 9:35 PM52.6s1 file scanned
SKILL.md
- name:
- caldav-calendar
- description:
- Sync and query CalDAV calendars (iCloud, Google, Fastmail, Nextcloud, etc.) using vdirsyncer + khal. Works on Linux.
- metadata:
- {"clawdbot":{"emoji":"📅","os":["linux"],"requires":{"bins":["vdirsyncer","khal"]},"install":[{"id":"apt","kind":"apt","packages":["vdirsyncer","khal"],"bins":["vdirsyncer","khal"],"label":"Install vdirsyncer + khal via apt"}]}}
CalDAV Calendar (vdirsyncer + khal)
vdirsyncer syncs CalDAV calendars to local .ics files. khal reads and writes them.
Sync First
Always sync before querying or after making changes:
vdirsyncer sync
View Events
khal list # Today
khal list today 7d # Next 7 days
khal list tomorrow # Tomorrow
khal list 2026-01-15 2026-01-20 # Date range
khal list -a Work today # Specific calendar
Search
khal search "meeting"
khal search "dentist" --format "{start-date} {title}"
Create Events
khal new 2026-01-15 10:00 11:00 "Meeting title"
khal new 2026-01-15 "All day event"
khal new tomorrow 14:00 15:30 "Call" -a Work
khal new 2026-01-15 10:00 11:00 "With notes" :: Description goes here
After creating, sync to push changes:
vdirsyncer sync
Edit Events (interactive)
khal edit is interactive — requires a TTY. Use tmux if automating:
khal edit "search term"
khal edit -a CalendarName "search term"
khal edit --show-past "old event"
Menu options:
s→ edit summaryd→ edit descriptiont→ edit datetime rangel→ edit locationD→ delete eventn→ skip (save changes, next match)q→ quit
After editing, sync:
vdirsyncer sync
Delete Events
Use khal edit, then press D to delete.
Output Formats
For scripting:
khal list --format "{start-date} {start-time}-{end-time} {title}" today 7d
khal list --format "{uid} | {title} | {calendar}" today
Placeholders: {title}, {description}, {start}, {end}, {start-date}, {start-time}, {end-date}, {end-time}, {location}, {calendar}, {uid}
Caching
khal caches events in ~/.local/share/khal/khal.db. If data looks stale after syncing:
rm ~/.local/share/khal/khal.db
Initial Setup
1. Configure vdirsyncer (~/.config/vdirsyncer/config)
Example for iCloud:
[general]
status_path = "~/.local/share/vdirsyncer/status/"
[pair icloud_calendar]
a = "icloud_remote"
b = "icloud_local"
collections = ["from a", "from b"]
conflict_resolution = "a wins"
[storage icloud_remote]
type = "caldav"
url = "https://caldav.icloud.com/"
username = "[email protected]"
password.fetch = ["command", "cat", "~/.config/vdirsyncer/icloud_password"]
[storage icloud_local]
type = "filesystem"
path = "~/.local/share/vdirsyncer/calendars/"
fileext = ".ics"
Provider URLs:
- iCloud:
https://caldav.icloud.com/ - Google: Use
google_calendarstorage type - Fastmail:
https://caldav.fastmail.com/dav/calendars/user/EMAIL/ - Nextcloud:
https://YOUR.CLOUD/remote.php/dav/calendars/USERNAME/
2. Configure khal (~/.config/khal/config)
[calendars]
[[my_calendars]]
path = ~/.local/share/vdirsyncer/calendars/*
type = discover
[default]
default_calendar = Home
highlight_event_days = True
[locale]
timeformat = %H:%M
dateformat = %Y-%m-%d
3. Discover and sync
vdirsyncer discover # First time only
vdirsyncer sync
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