overthinkos/swaync
ov-layers/skills/swaync/SKILL.md
SwayNotificationCenter notification daemon for wlroots compositors (sway, labwc). Use when working with desktop notifications, notification center, or swaync configuration.
tools
Updated Apr 24, 2026
$ install --global
skillsauthnpx skillsauth add overthinkos/overthink-plugins swayncInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- swaync
- description:
- |
swaync -- SwayNotificationCenter
Layer Properties
| Property | Value |
|----------|-------|
| Dependencies | dbus |
| Service | swaync (supervisord, priority 14, startsecs=2) |
| Install files | layer.yml, tasks:, swaync-wrapper, config.json, style.css |
Packages
SwayNotificationCenter(RPM) -- providesswaync,swaync-client
Service
Runs as a supervisord service (priority 14, startsecs=2) via swaync-wrapper which waits for the Wayland socket before starting. The wrapper uses pkill -9 -x swaync (exact name match) to kill any stale instance before exec, preventing D-Bus name conflicts on restart. startsecs=2 gives swaync time to claim the D-Bus name before supervisord declares it running. Priority 14 ensures swaync starts after the compositor (10-12) but before waybar (15), so the notification indicator module is ready.
D-Bus Auto-Activation Fix
The tasks: removes D-Bus auto-activation service files (org.erikreider.swaync.service, org.erikreider.swaync.cc.service) at build time. Without this fix, D-Bus spawns a competing swaync instance when waybar's swaync-client -swb queries the notification service ~2 seconds after startup. The SystemdService= directive in those files is intended to delegate to systemd, but since containers use supervisord (not systemd as PID 1), D-Bus falls back to Exec=/usr/bin/swaync, creating a second instance that steals the D-Bus bus name from the supervisord-managed one — causing the supervisord instance to exit with FATAL status.
Configuration
config.json (~/.config/swaync/config.json)
- Notification panel on right side, overlay layer
- Widgets: inhibitors, title, dnd (Do Not Disturb), mpris (media), notifications
- Timeouts: 6s normal, 4s low, 0s critical (stays visible)
- Control center: 420px wide, top-right corner
style.css (~/.config/swaync/style.css)
Catppuccin Mocha theme matching waybar:
- Color-coded notification priorities: blue (normal), red (critical), gray (low)
- MPRIS media player widget
- DnD toggle switch
- Rounded corners, semi-transparent backgrounds
Waybar Integration
The waybar custom/notification module displays a notification bell icon using swaync-client:
- Click: toggle notification panel (
swaync-client -t) - Right-click: toggle Do Not Disturb (
swaync-client -d) - Icons use Nerd Font symbols (from
desktop-fontslayer)
Compositor Compatibility
Works with any wlroots compositor via wlr-layer-shell protocol:
- sway -- replaces mako (mako removed from sway layer)
- labwc -- first notification daemon (none was previously included)
- niri -- compatible but niri layer still includes mako (separate scope)
Testing Notifications
# Preferred: use ov test dbus notify (native Go D-Bus, no shell quoting issues)
ov test dbus notify <image> "Title" "Body text"
# Alternative: use ov cmd with notification (triggers on completion)
ov cmd <image> "sleep 2 && echo done"
# Check if swaync is receiving notifications
ov test dbus list <image> | grep Notifications
# Low-level: notify-send (requires libnotify layer)
ov cmd <image> "notify-send 'Title' 'Body text'" --no-notify
# swaync-client operations
ov cmd <image> "swaync-client -c" # notification count
ov cmd <image> "swaync-client -C" # clear all
ov cmd <image> "swaync-client -t" # toggle panel
ov cmd <image> "swaync-client -d" # toggle DnD
Used In
/ov-layers:sway-desktop-- via metalayer composition/ov-layers:selkies-desktop-- via metalayer composition
Used In Images
/ov-images:sway-browser-vnc(viasway-desktopmetalayer)/ov-images:openclaw-sway-browser(viasway-desktopmetalayer)/ov-images:openclaw-ollama-sway-browser(viasway-desktopmetalayer)/ov-images:selkies-desktop(viaselkies-desktopmetalayer)/ov-images:selkies-desktop-nvidia(viaselkies-desktopmetalayer)
Related Layers
/ov-layers:dbus-- D-Bus session bus dependency/ov-layers:libnotify--notify-sendCLI (optional;ov test dbus notifyuses native Go D-Bus instead)/ov-layers:waybar-- notification bell module/ov-layers:waybar-labwc-- same notification bell module/ov-layers:desktop-fonts-- Nerd Font icons for notification bell
When to Use This Skill
Use when the user asks about:
- Desktop notifications in containers
- SwayNotificationCenter configuration or styling
- Notification bell in waybar
- Do Not Disturb mode
Related
/ov:layer— layer authoring reference (layer.ymlschema, task verbs, service declarations)/ov:test— declarative testing (tests:block,ov image test,ov test)
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