Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/HybridAIOne/hybridclawnpx agentmods add skills/hybridaione/hybridclaw/heygenWrote 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/hybridaione/hybridclaw/heygen)<a href="https://agentmods.dev/skills/hybridaione/hybridclaw/heygen"><img src="https://agentmods.dev/badge/skills/hybridaione/hybridclaw/heygen/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/hybridaione/hybridclaw/heygen"><img src="https://agentmods.dev/badge/skills/hybridaione/hybridclaw/heygen.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 5.1 | $0.00025 | $0.02346 |
| Opus 5 | $0.00013 | $0.01173 |
| Sonnet 5 | $0.00005 | $0.00469 |
| Haiku 4.5 | $0.00003 | $0.00235 |
Grade A, and why
heygen 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 11d 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 — 271 lines — stays where its author put it; the contents beside it link to each section on GitHub.
HeyGen
Use this skill for HeyGen Direct API work: avatar and voice discovery, guarded avatar video generation from approved scripts, video translation with lip-sync, and polling asynchronous generation or translation status.
Scope
- list available avatars, voices, and video-translation target languages
- create gateway-proxied requests for
POST /v2/videos - create gateway-proxied requests for
POST /v2/video_translate - poll
GET /v1/video_status.getandGET /v2/video_translate/{id} - classify and retry HeyGen 429, quota, and transient upstream responses with
bounded
Retry-Afteraware backoff - block private or internal media URLs before asking HeyGen to fetch them
- require explicit operator grant before credit-consuming generate/translate calls
Custom avatar training, live streaming, real-time avatars, public publishing, and distribution to external channels are outside this adapter slice.
Credential Rules
HeyGen Direct API uses an API key sent as X-API-KEY. Store it in HybridClaw
encrypted runtime secrets; never paste it into the prompt.
Recommended setup order:
- Browser admin: open the active HybridClaw admin URL ending in
/admin/secretsand setHEYGEN_API_KEY. - Browser
/chator TUI fallback:/secret set HEYGEN_API_KEY "<api-key>". - Local console fallback:
hybridclaw secret set HEYGEN_API_KEY "<api-key>"
For live API calls inside HybridClaw, prefer the helper's request command. It
sends the secret-backed payload through the local gateway, retries bounded
429/5xx responses, summarizes large asset lists by default, and fails clearly
if the gateway truncates a response.
Use http-request only when you need to inspect or hand off the generated
payload wrapper to the built-in http_request tool. The helper sets
secretHeaders: [{ "name": "X-API-KEY", "secretName": "HEYGEN_API_KEY", "prefix": "" }] so the gateway injects the API key server-side.
Do not try to verify HEYGEN_API_KEY with bash, environment inspection, or by
asking the model whether the secret exists. The model cannot inspect the
gateway secret store. If the operator says the secret was set, attempt the
http_request call with the emitted secretHeaders. Only say the secret is
missing if http_request returns a gateway error that explicitly says
HEYGEN_API_KEY is not set, unavailable, missing, or unresolved.
What ships with it
5 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.
- 11d ago First seen · 271 lines · 25 tokens per session scan A 1a0a4392bf38
heygen is a skill published in the GitHub repository HybridAIOne/hybridclaw (132 stars, last pushed today), licensed MIT. It adds 25 tokens to every session and 2,346 once invoked, about $0.0001 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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