niri-ipc
v1.0.0Control the Niri Wayland compositor on Linux via its IPC (`niri msg --json` / $NIRI_SOCKET). Use when you need to query Niri state (outputs/workspaces/windows/focused window) or perform actions (focus/move/close windows, switch workspaces, spawn commands, reload config) from an OpenClaw agent runnin...
Installation
Niri IPC
Use Niri IPC through the niri msg CLI (preferred) or by writing JSON requests to $NIRI_SOCKET.
This skill assumes:
- You are on Linux with Niri running.
- $NIRI_SOCKET is set (usually true inside the Niri session).
Quick start (recommended)
Use the bundled helper script (wrapper around niri msg --json):
./skills/niri-ipc/scripts/niri.py version
./skills/niri-ipc/scripts/niri.py outputs
./skills/niri-ipc/scripts/niri.py workspaces
./skills/niri-ipc/scripts/niri.py windows
./skills/niri-ipc/scripts/niri.py focused-window
Deeper control
1) High-level helpers (window matching)
Use scripts/niri_ctl.py when you want to refer to windows by title/app_id substring instead of ids:
# List windows (optionally filtered)
./skills/niri-ipc/scripts/niri_ctl.py list-windows --query firefox
# Focus a window by substring match
./skills/niri-ipc/scripts/niri_ctl.py focus firefox
# Close a matched window (focus then close)
./skills/niri-ipc/scripts/niri_ctl.py close firefox
# Move a matched window to a workspace (by index or by name)
./skills/niri-ipc/scripts/niri_ctl.py move-to-workspace firefox 3
./skills/niri-ipc/scripts/niri_ctl.py move-to-workspace firefox web
# Focus a workspace by index or name
./skills/niri-ipc/scripts/niri_ctl.py focus-workspace 2
./skills/niri-ipc/scripts/niri_ctl.py focus-workspace web
2) Full IPC access (raw socket)
Use scripts/niri_socket.py to talk to $NIRI_SOCKET directly (newline-delimited JSON):
# Send a simple request (JSON string)
./skills/niri-ipc/scripts/niri_socket.py raw '"FocusedWindow"'
# Batch requests: one JSON request per line on stdin
printf '%sn' '"FocusedWindow"' '"Workspaces"' | ./skills/niri-ipc/scripts/niri_socket.py stdin
# Event stream (prints JSON events until interrupted)
./skills/niri-ipc/scripts/niri_socket.py event-stream
Actions
Pass through Niri actions:
# Focus workspace by index
./skills/niri-ipc/scripts/niri.py action focus-workspace 2
# Move focused window to workspace
./skills/niri-ipc/scripts/niri.py action move-window-to-workspace 3
# Focus a window by id
./skills/niri-ipc/scripts/niri.py action focus-window 123
# Close focused window
./skills/niri-ipc/scripts/niri.py action close-window
# Reload niri config
./skills/niri-ipc/scripts/niri.py action load-config-file
# Spawn (no shell)
./skills/niri-ipc/scripts/niri.py action spawn -- alacritty
# Spawn through shell
./skills/niri-ipc/scripts/niri.py action spawn-sh -- 'notify-send hello'
Output configuration
Use niri msg output ... via the wrapper:
./skills/niri-ipc/scripts/niri.py output --help
Working directly with niri msg
If you don’t want the helper script, call Niri directly:
niri msg --json windows
niri msg --json action focus-workspace 2
Tip: if niri msg parsing errors happen after upgrades, restart the compositor (new niri msg against old compositor is a common mismatch).
Event stream
For status bars/daemons: Niri can stream events.
# Raw JSON event lines (runs until interrupted)
./skills/niri-ipc/scripts/niri.py event-stream
# Just a few lines for a quick test
./skills/niri-ipc/scripts/niri.py event-stream --lines 5
Troubleshooting
- If commands fail with “NIRI_SOCKET is not set”: run inside your Niri session, or export the socket path.
- If you need the socket protocol details, read:
./skills/niri-ipc/references/ipc.md. - If your goal is complex automation (pick the right window by title/app_id, etc.), first query
windows, then act by window id.