subtask · 2.200–4.800 s
Repositioning left hand and adjusting warp threads across the reed
event · pull · thread → loom
  hands · 21 keypoints · frame 118 / 210
OPEN SOURCE · NO ACCOUNT · YOUR MODELS

Turn experience captured on video into machine capability.

0 sepisode 6774a70f/0 · 3.900 s7.0 s
subtask
event
interaction
state
TASKSUBTASKEVENTINTERACTIONSTATEFLAGPROGRESSHANDS TASKSUBTASKEVENTINTERACTIONSTATEFLAGPROGRESSHANDS
11

timed labels from a 7-second clip, one command.

210

hand frames tracked on CPU, no key, nothing uploaded.

5/5

episodes pass the official LeRobot loader after writeback.

0

accounts. Download one binary and start.

One episode, read like a score.

Every label sits on the episode’s own clock, in integer microseconds, so it lines up with frames, actions and state.

Frame at 0.3 seconds Frame at 1.4 seconds Frame at 2.5 seconds Frame at 3.6 seconds Frame at 4.7 seconds Frame at 5.8 seconds Frame at 6.8 seconds
Separating warp threads across the reed
Repositioning left hand, adjusting threads
Retract
Reaching forward, adjusting threads
0.0002.2004.8005.4007.000 s
I

Observe

Read LeRobot v3.0/v3.1 episodes or any video. Track human hands locally.

annotate ./dataset --hands
II

Understand

Your vision model writes subtasks, events, contacts and state changes.

annotate ./dataset --semantic
III

Write back

Review it as video, then put subtasks into a new dataset copy for training.

--write-lerobot --out ./labeled

From the showcase

See every episode →
LOOM · 7.0 s · 11 labels · 210 hand frames
Hand weaving, first-person
Loom episode at 6.3 seconds
event · pull · 5.9–7.0 s
Reaching forward

No sign-up.
No hosted API yet.
Just a binary.

macOS Apple Silicon and Linux x86_64. Bring a Gemini key or any compatible endpoint. Apache-2.0.

$ curl -fsSL https://github.com/cerul-ai/cerul-robotics/releases/latest/download/cerul-robotics-installer.sh | sh
$ npx skills add cerul-ai/cerul-robotics # for coding agents

Every demonstration, readable.

Install Cerul Robotics Need labels delivered? Talk to us