release-video SKILL.md skillA

release-video from huytieu/cog-second-brain is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add huytieu/cog-second-brain/release-video@git:20261023.65f43f1

Pins git:20261023.65f43f1 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
huytieu/cog-second-brain
Path
skills/release-video/SKILL.md
Versions recorded
2
Latest version
git:20261023.65f43f1, committed Oct 23, 2026
First version recorded
Sep 28, 2026
Size
10,662 bytes
Repository stars
1,350
License
MIT

Turn a product release (the list of shipped items plus real screen recordings) into a motion recap video and one explained demo per feature, with sound effects tied to on-screen motion and a composed music bed. Deterministic HTML scenes rendered frame by frame, ElevenLabs for sound effects and music, ffmpeg for the mix. Use when asked for a release video, a changelog video, a feature recap reel, or demo clips for release notes and docs.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# release-video

Two outputs per release:

- **Recap**: a 45-75 s motion video, one scene per shipped feature, vertical (1080x1920) by default.
- **Explained demos**: one 30-60 s clip per feature, a real recording of the product with step captions, eased zoom on the payoff, and intro/outro cards (1920x1080).

Every frame of the recap is a pure function of time (`window.renderAt(t)` in `scripts/engine.js`), so a re-render is identical, renders split across workers, and any single frame can be pulled as a still for review before the full render.

This skill makes motion scenes and composes demos from recordings. It does not cut raw footage of people talking. For narrated takes, founder voice-overs or interviews, use [browser-use/video-use](https://github.com/browser-use/video-use), which cuts on word boundaries from a transcript, and drop the recap and demo clips into its folder as B-roll.

## Requirements

`ffmpeg`, Python 3 with `playwright`, `numpy`, `Pillow`, and `ELEVENLABS_API_KEY` for audio. If Playwright's bundled Chromium doesn't launch, point `CHROME_PATH` at any Chromium or headless-shell binary.

## Rules from review
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add huytieu/cog-second-brain/release-video@sha256:3397f0193a5c3a1c

The line at the top of this page pins the label git:20261023.65f43f1, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_54wj5odkjnkcfzle.svg)](https://markdownregistry.com/a/art_54wj5odkjnkcfzle)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between Sep 28, 2026 and Oct 23, 2026, about one every 25 days.

versioncommittedcommitsizeaudit
git:20261023.65f43f1 latest2026-10-23 65f43f1 10,662 BA view · diff
git:20260928.4cdb6012026-09-28 4cdb601 6,793 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (10662 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

GitHub

huytieu/cog-second-brain · 1,350 stars · license MIT · pushed 2026-10-23 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_54wj5odkjnkcfzle
GET https://markdownregistry.com/api/v1/resolve?ref=huytieu/cog-second-brain/release-video
GET https://markdownregistry.com/api/v1/blob/3397f0193a5c3a1c1f423d6338ebab2a339e3986b3ef6760698d95f9f9ffe401

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in huytieu/cog-second-brain

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