lerobot

lerobot is a skill for Claude Code, Codex from robium-ai/robium. It costs 162 tokens per session (6,644 once invoked), scanned B, original, MIT.

A robotics toolkit for teaching robot arms to perform physical tasks from recorded demonstrations. It uses Hugging Face LeRobot to store episodes, train policies, test them in simulation, and control robots remotely.

In plain words
What is it for?
Use it to record and load robot-arm demonstrations, train ACT, diffusion, Pi0-family, or SmolVLA policies, evaluate them in simulation, and teleoperate a robot.
Why use it?
It brings the dataset, training, simulation, and teleoperation parts of robot learning into one workflow. This reduces the need to connect separate tools when building imitation-learning systems.

Skill for Claude CodeCodex

Part of the robium plugin — 72 skills, 1 agent, 6 hooks shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/robium-ai/robium/2.1.1
Any agent
npx skills add robium-ai/robium --skill 2.1.1
Clone the repo
git clone --depth 1 https://github.com/robium-ai/robium

Made for: Claude Code, Codex.

Or install robium, the plugin that ships this one along with the rest of its 72 skills, 1 agent, 6 hooks.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for lerobot

README.md
[![agentmods](https://agentmods.dev/badge/skills/robium-ai/robium/2.1.1.svg)](https://agentmods.dev/skills/robium-ai/robium/2.1.1)
Your own site
<a href="https://agentmods.dev/skills/robium-ai/robium/2.1.1"><img src="https://agentmods.dev/badge/skills/robium-ai/robium/2.1.1.svg" alt="Measured on agentmods" height="20"></a>
Per session 162 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,644 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00162 $0.06644
Opus 5 $0.00081 $0.03322
Sonnet 5 $0.00032 $0.01329
Haiku 4.5 $0.00016 $0.00664

Measured 5d ago against content hash 64741341d2b9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade B, and why

lerobot scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (examples/load-dataset-snippet.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

`ffmpeg` for video decoding — `sudo apt install ffmpeg` (Linux) or
Origin

Copies of this mod

3 near-identical copies found in the catalogue:

  • lerobot — 97% identical, 3 lines differ
  • lerobot — 97% identical, 104 lines differ
  • lerobot — 91% identical, 153 lines differ
archive/lerobot/2.1.1/SKILL.md · 396 lines

How it starts

The opening of the file, as written. The whole thing — 396 lines — stays where its author put it; the contents beside it link to each section on GitHub.

lerobot

The manipulation-vertical core tool skill for robium: the LeRobotDataset format, loading and recording episodes, training imitation-learning and VLA policies (ACT, Diffusion, Pi0/Pi0.5/SmolVLA and others), evaluating in simulation, and teleoperation. LeRobot (huggingface/lerobot, PyPI package lerobot, version 0.6.0 as of 2026-07-12 (PyPI-verified; re-check — this number goes stale fast), requires-python >=3.12) is HuggingFace's end-to-end robot-learning library — this skill embeds the robotics-specific glue (dataset shape, training/eval CLI, sim envs, teleoperation) and delegates hub mechanics (auth, upload/download, model cards) to the huggingface skill's territory. LeRobot moves fast; every command below is either a direct upstream docstring/doc example fetched on 2026-07-10 or marked with how it was verified — re-check before relying on exact flags in a real project.

When to use this skill

  • Any manipulation/imitation-learning task: loading or recording a LeRobotDataset, training a policy (ACT, Diffusion, Pi0-family, SmolVLA, ...), evaluating a policy in simulation, teleoperating a robot arm.
  • The trigger phrases in the description: 'lerobot', 'manipulation policy', 'imitation learning', 'train a robot arm policy', 'ACT', 'diffusion policy'.
  • Cross-references — go to the sibling skill instead when the question is:
    • Hub auth, dataset/model upload-download, model cards, repo management → the huggingface skill's territory; LeRobot's own hf auth login/ hf upload commands are shown here only where a lerobot workflow requires them inline.
    • Whether to use uv or Docker, GPU passthrough, headless/remote display → environments (load first if not already decided; see Key directives).
    • Deciding which dataset(s) to source or combine for a task → the data umbrella skill's territory.
    • Rendering/inspecting recorded episodes in depth → the rerun skill; LeRobot's own --viz extra and lerobot-dataset-viz script wrap Rerun directly — cross-referenced here by name, not re-taught.
    • Classical motion planning (no learned policy) → out of scope repo-wide; this skill and the manipulation vertical are learning-based only.
    • The NVIDIA Isaac Lab RL stack (GPU-parallel RL/IL training environments, prebuilt tasks, policy export) → isaac-lab.
    • The whole-stack decision this feeds into → architect (routes here).

Read the full file on GitHub · 396 lines

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 396 lines · 162 tokens per session scan B 64741341d2b9

Subscribe to this mod's changes

lerobot is a skill published in the GitHub repository robium-ai/robium (9 stars, last pushed 7d ago), licensed MIT. It adds 162 tokens to every session and 6,644 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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