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camsnap

Captures snapshots and short video clips from RTSP/ONVIF network cameras and local webcams. It also covers motion monitoring, camera diagnostics, and pan, tilt, and zoom controls for supported USB cameras.

OriginalShow the original description

Capture frames or clips from RTSP/ONVIF cameras and local webcams, including USB pan/tilt/zoom control.

openclaw/openclaw
AI rating90/ 100See how to install

Good for

  • Saving a snapshot from a network camera
  • Recording a short camera clip
  • Monitoring a camera feed for motion
  • Capturing from and repositioning a local webcam

Overview

What it does

camsnap saves still images and short video clips from network cameras and local webcams. It uses the camsnap command to discover, register, and capture from devices supporting RTSP/ONVIF, methods for streaming and connecting to camera feeds. It also monitors movement in the footage and diagnoses connection status. For supported USB cameras, pan, tilt, and zoom controls let you check the position, move to a specified position, make relative movements, and return to the home position.

When it helps

Use it to check a camera’s current view as an image or save a few seconds of video. It also helps when selecting a local camera from a device list on macOS or adjusting the direction of a camera with a gimbal.

Example requests

  • “Save a snapshot from the registered camera.”
  • “Record a five-second clip from the camera feed.”
  • “Check the local camera’s position and move it to the direction I specify.”

Notes

You need camsnap and ffmpeg available on PATH. Local camera instructions are for macOS, and PTZ controls require camera permission. Automatic tracking on the camera may override manual positioning. A short test recording is recommended before recording longer clips.

This overview was written by AI (OpenAI Codex) from the public SKILL.md. Check the original below for the exact behavior.

Objective evaluation

AI rated this skill on four points using only the contents of its SKILL.md. Stars and popularity are not taken into account.

Clear instructionsIs it clear when to use it and what it does?
AGoodThe source explicitly covers snapshots, video clips, motion monitoring, and PTZ control of local cameras.
Concrete stepsAre steps, inputs, outputs, and examples spelled out?
AGoodExamples provide registration, capture, diagnostics, and PTZ commands, including output paths and recording duration.
SafetyAre sending data, deleting files, and running commands disclosed?
BPartly lackingCamera permission and position verification are explained, but handling of passwords supplied during registration is not.
Easy setupDoes it need few tools or API keys, and are they documented?
AGoodThe source provides a brew installation method and states the ffmpeg requirement and macOS restriction for local capture.

The total counts each point as A = 25, B = 15, C = 5. Rated by AI (OpenAI Codex) as of Oct 19, 2026. Treat it as a guide and read the original before installing.

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Files included (1)

  • SKILL.md1.8 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

camsnap

Use camsnap to grab snapshots, clips, or motion events from configured cameras.

Setup

  • Config file: ~/.config/camsnap/config.yaml
  • Add camera: camsnap add --name kitchen --host 192.168.0.10 --user user --pass pass

Common commands

  • Discover: camsnap discover --info
  • Snapshot: camsnap snap kitchen --out shot.jpg
  • Clip: camsnap clip kitchen --dur 5s --out clip.mp4
  • Motion watch: camsnap watch kitchen --threshold 0.2 --action '...'
  • Doctor: camsnap doctor --probe

Local webcams (macOS)

  • List devices: camsnap devices
  • Snapshot from a local camera: camsnap snap --device 0 --out webcam.jpg
  • PTZ position and ranges: camsnap ptz status --device 0
  • Move a gimbal camera: camsnap ptz goto --device 0 --pan 45 --tilt -18
  • Also camsnap ptz move (relative deltas) and camsnap ptz home.

Notes

  • Requires ffmpeg on PATH.
  • Prefer a short test capture before longer clips.
  • PTZ needs macOS Camera permission: these cameras only service UVC controls while streaming, so camsnap holds a capture session open for the operation.
  • Motion commands verify the settled position and exit non-zero if the camera did not reach it. On-camera AI framing can override manual positioning; disable tracking if moves keep missing.

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