embedded-captions skillA
embedded-captions is agent-read markdown (skill) from heygen-com/hyperframes: Add captions or subtitles to an existing single-subject talking-head video without editing the footage. Use for plain verbatim captions, cinematic captions embedded behind the subject, VFX captions, “炸/特效/酷炫字幕,” or a named identity from the 35-style catalog. Route by visual identity, not by backend engine. The quiet `anchor` rail is the default; embed every word only when the user explicitly wants a fully cinematic treatment. The workflow runs locally end to end, including transcription and subj.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
How to install
mdr add heygen-com/hyperframes/embedded-captions@git:20260821.efc2e19mdr add heygen-com/hyperframes/embedded-captions@sha256:5a7cb108c4141025Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_qxpuq64jx7bhrkx4)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260821.efc2e19 latest | 2026-08-21 | efc2e19 | 32,520 B | A | view · diff |
| git:20260811.d3a4e90 | 2026-08-11 | d3a4e90 | 32,507 B | A | view · diff |
| git:20260728.d287e52 | 2026-07-28 | d287e52 | 32,529 B | A | view · diff |
| git:20260721.696cbdb | 2026-07-21 | 696cbdb | 32,503 B | A | view · diff |
| git:20260715.b9be0b2 | 2026-07-15 | b9be0b2 | 32,503 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (32520 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
heygen-com/hyperframes · 44,224 stars · license Apache-2.0 · pushed 2026-09-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_qxpuq64jx7bhrkx4 GET https://markdownregistry.com/api/v1/resolve?ref=heygen-com/hyperframes/embedded-captions GET https://markdownregistry.com/api/v1/blob/5a7cb108c41410258f27c87738484a5696eb7383144f6d235844e1abbbf77beb