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.
npx agentmods add skills/espressif/esp-claw/light_switchnpx skills add espressif/esp-claw --skill light_switchgit clone --depth 1 https://github.com/espressif/esp-clawWrote 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.
[](https://agentmods.dev/skills/espressif/esp-claw/light_switch)<a href="https://agentmods.dev/skills/espressif/esp-claw/light_switch"><img src="https://agentmods.dev/badge/skills/espressif/esp-claw/light_switch.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00030 | $0.01374 |
| Opus 5 | $0.00015 | $0.00687 |
| Sonnet 5 | $0.00006 | $0.00275 |
| Haiku 4.5 | $0.00003 | $0.00137 |
Grade A, and why
light_switch scanned grade A with 0 findings 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 4d ago.
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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 164 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Light Switch
Use this skill when the user asks to turn a board light on or off, change an LED strip color, or adjust light brightness.
Run exactly one script with lua_run_script after reading board_hardware_info.
You MUST pass args when using lua_run_script to control the light, as specified in the input schema shown below in the section LED Strip Script Args Schema and GPIO Light Script Args Schema.
If lua_run_script returns an error, report that error directly to the user.
Do not retry, change arguments, or run another light script in the same turn unless the user explicitly asks.
LED Strip Script Args Schema
{
"type": "object",
"properties": {
"io": {
"type": "integer",
"default": 38,
"minimum": 0
},
"led_count": {
"type": "integer",
"default": 1,
"minimum": 1
},
"enabled": {
"type": "boolean",
"default": true
},
"brightness": {
"type": "integer",
"default": 255,
"minimum": 0,
"maximum": 255
},
"color": {
"type": "object",
"properties": {
"r": {
"type": "integer",
"default": 255,
"minimum": 0,
"maximum": 255
},
"g": {
"type": "integer",
"default": 255,
"minimum": 0,
"maximum": 255
},
"b": {
"type": "integer",
"default": 255,
"minimum": 0,
"maximum": 255
}
}
}
}
}
GPIO Light Script Args Schema
{
"type": "object",
"properties": {
"io": {
"type": "integer",
"default": 38,
"minimum": 0
},
"enabled": {
"type": "boolean",
"default": true
},
"active_level": {
"type": "integer",
"default": 1,
"minimum": 0,
"maximum": 1
},
"brightness": {
"type": "integer",
"default": 255,
"minimum": 0,
"maximum": 255
}
}
}
What ships with it
2 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.
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.
- 4d ago First seen · 164 lines · 30 tokens per session scan A f662f89088be
light_switch is a skill published in the GitHub repository espressif/esp-claw (2,080 stars, last pushed yesterday), licensed Apache-2.0. It adds 30 tokens to every session and 1,374 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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chat-perf
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