ffmpeg-skill skillA
ffmpeg-skill is agent-read markdown (skill) from kajisho5/ffmpeg-skill: Edit video and audio with local FFmpeg from natural-language requests: cut, trim, join, resize/reframe (9:16, 1:1), speed change, captions and subtitles (SRT/ASS, animated, karaoke), logos and text overlays, lower-thirds and titles, silence removal, multicam and external-mic sync, loudness normalisation, HDR/Dolby Vision to SDR, LUTs, background music with ducking, platform exports (YouTube, Reels, TikTok, X), compliance checks, scene detection and highlight reels, contact sheets to inspect resu.
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 kajisho5/ffmpeg-skill/ffmpeg-skill@git:20260906.19aebc2mdr add kajisho5/ffmpeg-skill/ffmpeg-skill@sha256:42df78477ca0fff5Pin 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_pwtijidv4l4kyhtr)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260906.19aebc2 latest | 2026-09-06 | 19aebc2 | 20,563 B | A | view · diff |
| git:20260906.2855997 | 2026-09-06 | 2855997 | 20,177 B | A | view · diff |
| git:20260905.b51dc5e | 2026-09-05 | b51dc5e | 19,675 B | A | view · diff |
| git:20260905.2abd89c | 2026-09-05 | 2abd89c | 19,447 B | A | view · diff |
| git:20260904.776525b | 2026-09-04 | 776525b | 17,786 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 (20563 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
kajisho5/ffmpeg-skill · 288 stars · license MIT · pushed 2026-09-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_pwtijidv4l4kyhtr GET https://markdownregistry.com/api/v1/resolve?ref=kajisho5/ffmpeg-skill/ffmpeg-skill GET https://markdownregistry.com/api/v1/blob/42df78477ca0fff51393483e7583ef0ca3c81b934047e025b14178e762fd8c21