Talking-Head Video Pipeline
naive-kun/naive-video-skill
Turns raw or rough-cut talking-head footage into a captioned, animated final video through a staged, resumable production pipeline.
Render-correctness rules for scene-to-scene transitions in HyperFrames launch videos, including the opaque stage background that prevents white flashes at cuts.
Install Seam Craft Render Rules
$ npx skills add heygen-com/hyperframes --skill seam-craft -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install heygen-com/hyperframes seam-craft --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/heygen-com/hyperframes.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/seam-craft .claude/skills/seam-craft && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "seam-craft" agent skill from https://github.com/heygen-com/hyperframes/tree/main/.agents/skills/seam-craft into .claude/skills/seam-craft/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "seam-craft", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/heygen-com/hyperframes/tree/main/.agents/skills/seam-craftType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add heygen-com/hyperframes --skill seam-craft -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install heygen-com/hyperframes seam-craft --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/heygen-com/hyperframes.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/seam-craft .agents/skills/seam-craft && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "seam-craft" agent skill from https://github.com/heygen-com/hyperframes/tree/main/.agents/skills/seam-craft into .agents/skills/seam-craft/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "seam-craft", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add heygen-com/hyperframes --skill seam-craft -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install heygen-com/hyperframes seam-craft --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/heygen-com/hyperframes.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/seam-craft .cursor/skills/seam-craft && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "seam-craft" agent skill from https://github.com/heygen-com/hyperframes/tree/main/.agents/skills/seam-craft into .cursor/skills/seam-craft/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "seam-craft", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/heygen-com/hyperframes.git --path .agents/skills/seam-craft--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add heygen-com/hyperframes --skill seam-craft -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install heygen-com/hyperframes seam-craft --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/heygen-com/hyperframes.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/seam-craft .gemini/skills/seam-craft && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "seam-craft" agent skill from https://github.com/heygen-com/hyperframes/tree/main/.agents/skills/seam-craft into .gemini/skills/seam-craft/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "seam-craft", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install heygen-com/hyperframes seam-craftInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add heygen-com/hyperframes --skill seam-craft -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/heygen-com/hyperframes.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/seam-craft .github/skills/seam-craft && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "seam-craft" agent skill from https://github.com/heygen-com/hyperframes/tree/main/.agents/skills/seam-craft into .github/skills/seam-craft/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "seam-craft", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add heygen-com/hyperframes --skill seam-craft -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install heygen-com/hyperframes seam-craft --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/heygen-com/hyperframes.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/seam-craft .opencode/skills/seam-craft && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "seam-craft" agent skill from https://github.com/heygen-com/hyperframes/tree/main/.agents/skills/seam-craft into .opencode/skills/seam-craft/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "seam-craft", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
seam-craft- GitHub stars
- 59k
- Used in
- 1 other repo
- Token cost
- ~1.2k tokens
- SKILL.md length
- 429 words
- Files
- 1
- Skills in repo
- 32
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Render-correctness rules for scene-to-scene transitions in HyperFrames launch videos, including the opaque stage background that prevents white flashes at cuts.
- Works in 4 steps: Extends #el- wrapper data-duration by… → Pulls #el- wrapper data-start earlier by… → Reassigns all clip data-track-index as a… → …
- Assembling the master timeline or index.html for a launch video
- SKILL.md covers Stage ground prerequisite…, How the injector applies a… and Template placeholders
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
This is the layer beneath any individual transition: the prerequisites that let a crossfade, push-slide or zoom-through composite correctly on the master timeline. The transitions it covers are limited to transform, opacity and filter effects on the two scene clip wrappers, with no injected overlay elements and no per-scene cooperation. Overlay families and shader transitions are left for later phases.
The central rule is a stage-ground guard. Several templates briefly push the two wrappers' combined opacity below one, so whatever sits behind them shows through. If the assembled index.html root has no opaque background, the renderer composites the dip over its default white page and a white flash appears at every seam, most visibly on dark films. The assembler therefore has to paint the root with a deep canvas color.
It also explains how the injector applies a transition at a break between two scenes: it extends the outgoing wrapper's duration so its last frame is held, pulls the incoming wrapper's start earlier to create the overlap, reassigns track indexes in an alternating zero and one pattern so overlapping wrappers never share a track, and stamps the GSAP template onto the master timeline. The per-transition catalog lives in a separate transition registry.
When your agent uses it
- Assembling the master timeline or index.html for a launch video
- Debugging a white flash at a cut or crossfade, especially on dark films
- Working out why a transition's opacity dip shows through
- Checking how overlapping scene wrappers blend at render time
Example prompts
- “There is a white flash at every scene cut in my dark launch video, so find out why.”
- “Assemble the master timeline from these scene files and make sure the stage background is opaque.”
- “Explain how the overlap between scene one and scene two is built on the master timeline.”
Requirements
- A HyperFrames project with scene wrappers on a master timeline
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Extends #el- wrapper data-duration by duration_s (holds its final
- Pulls #el- wrapper data-start earlier by duration_s (creates the
- Reassigns all clip data-track-index as a 0/1 ping-pong so the two
- Stamps the gsap_template into window.__timelines["main"] at T = overlap-start.
What it can do on your machine
Read from SKILL.md and the folder at commit 3aa6886. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Seam Craft Render Rules loads about 1.2k tokens when it runs. Until then it costs about 196 tokens; SKILL.md has 429 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from heygen-com/hyperframes at commit 3aa6886, republished under its Apache-2.0 licence (© heygen-com). 429 words, ~1,210 tokens.
Download SKILL.mdSave it as
.claude/skills/seam-craft/SKILL.md (or your agent's skills folder).- name
- seam-craft
- description
- Render-correctness doctrine for scene-to-scene seams in HyperFrames launch videos — the prerequisites that make transitions composite correctly on the master timeline. Load when assembling the master timeline / index.html, when a white flash appears at a cut or crossfade seam (especially on dark films), when reasoning about why a transition opacity dip shows through, or when verifying the render-side mechanics of how overlapping scene wrappers blend. Covers the opaque stage-ground (#root background) white-flash guard and how the injector overlaps wrappers, holds final frames, ping-pongs tracks, and stamps lint-clean template code onto the master timeline. Does NOT contain the per-transition catalog — see the transition registry for individual transition entries.
- metadata.internal
- true
Seam Craft — render prerequisites for scene-to-scene transitions
This is the render-correctness doctrine for PLV scene-to-scene seams: the prerequisites and master-timeline mechanics that make any transition composite correctly, independent of which specific transition is chosen. The per-transition catalog (crossfade, push-slide, zoom-through, cut-the-curve, …) lives in the transition registry — this page is the doctrine that sits underneath all of them.
The transitions this doctrine governs are Tier-B-ready: pure transform / opacity /
filter on the two scene clip wrappers (#el-<sid>), no injected overlay DOM, no
per-scene cooperation. Overlay families (staggered blocks, blinds, light leak, grid
dissolve, page burn) and shader transitions are deferred to later phases.
Stage ground prerequisite (white-flash guard)
Several templates open a window where the two wrappers' summed opacity < 1 (the
cut-the-curve mid-window cut, zoom-through's 0.15 floor, plain crossfade's
power-curve dip). Whatever is BEHIND the wrappers shows through during that
window. If the assembled index.html #root has no opaque background, the
renderer composites the dip over its default white page → a white flash at
every seam, glaring on dark films (observed on two Spotify runs before the fix).
The assembler must paint the stage: #root { background: var(--canvas-deep, var(--canvas, #000)) } — assemble-index.mjs now emits this;
any other consumer of these templates owns the same guarantee.
Show full SKILL.md (228 more words)Show less
How the injector applies a transition
At a break boundary between scene i (from) and scene i+1 (to), the
injector:
- Extends
#el-<from>wrapperdata-durationbyduration_s(holds its final frame — verified:core/src/runtime/init.ts:1393-1410external-slot branch). - Pulls
#el-<to>wrapperdata-startearlier byduration_s(creates the overlap window). - Reassigns all clip
data-track-indexas a 0/1 ping-pong so the two overlapping wrappers never share a track (same-track overlap is illegal —core/src/lint/rules/composition.ts). Higher track composites on top. - Stamps the
gsap_templateintowindow.__timelines["main"]atT = overlap-start.
Verified by prototype render (2026-05-31): the master-timeline wrapper tween is seeked and rendered (no double-seek with the sub-comp's own paused timeline — the runtime drives them independently), the extended wrapper holds scene i's final frame, and the higher-track incoming wrapper composites over + blends with the outgoing one.
Template placeholders
The injector substitutes these tokens in each gsap_template line:
| Token | Meaning |
|---|---|
__OLD__ | "#el-<from>" — outgoing clip wrapper selector (quoted) |
__NEW__ | "#el-<to>" — incoming clip wrapper selector (quoted) |
__T__ | overlap-start time in seconds (master clock) |
__DUR__ | duration_s for this boundary |
__DX__ | horizontal travel for directional types: -1920 (LEFT) / 1920 (RIGHT) |
__DY__ | vertical travel: -1080 (UP) / 1080 (DOWN) |
__ORIGIN_OUT__ / __ORIGIN_IN__ | transformOrigin pair for squeeze |
filter / scaleX / transformOrigin are lint-clean on the master timeline
(verified: core/src/lint/rules/gsap.ts has no per-property whitelist and scopes
its checks to data-composition-id ranges; the x/y/scale/rotation/opacity
whitelist is a scene-worker prompt rule only — it does not bind index.html).
© heygen-com, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in .agents/skills/seam-craft of heygen-com/hyperframes.
Open the folder on GitHubat commit 3aa6886
Used in 1 other repository
We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in heygen-com/hyperframes, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Seam Craft Render Rules next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Seam Craft Render Rules this skillheygen-com/hyperframes | 59k | 1 repos | ~1.2k | Automated safety check: Pass | Apache-2.0 | |
| Talking-Head Video Pipelinenaive-kun/naive-video-skill | 132 | — | ~3.3k | Automated safety check: Pass | MIT | |
| Duo Foldable Phone Comparisonheygen-com/hyperframes-community-skills | 183 | — | ~2k | Automated safety check: Pass | Apache-2.0 | |
| X Posting License Videoheygen-com/hyperframes-community-skills | 183 | — | ~1.2k | Automated safety check: Pass | Apache-2.0 | |
| Plotbeat Data VideosUnclecheng-li/AI_Animation | 1.5k | — | ~2.6k | Automated safety check: Pass | MIT | |
| Yuv Viral Videohoodini/ai-agents-skills | 282 | — | ~7.5k | Automated safety check: Notes | None |
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Related
Categories
Questions about Seam Craft Render Rules
What does Seam Craft Render Rules do?
Render-correctness rules for scene-to-scene transitions in HyperFrames launch videos, including the opaque stage background that prevents white flashes at cuts. This is the layer beneath any individual transition: the prerequisites that let a crossfade, push-slide or zoom-through composite correctly on the master timeline. The transitions it covers are limited to transform, opacity and filter effects on the two scene clip wrappers, with no injected overlay elements and no per-scene cooperation.
When should I use Seam Craft Render Rules?
Seam Craft Render Rules fits situations like: assembling the master timeline or index.html for a launch video; debugging a white flash at a cut or crossfade, especially on dark films; working out why a transition's opacity dip shows through; checking how overlapping scene wrappers blend at render time.
How do I install Seam Craft Render Rules in Claude Code?
Run `npx skills add heygen-com/hyperframes --skill seam-craft -a claude-code`. Or copy the skill folder (.agents/skills/seam-craft in heygen-com/hyperframes) into .claude/skills/seam-craft in your project. Claude Code loads it when a task matches its description.
How do I install Seam Craft Render Rules in Codex?
Run `npx skills add heygen-com/hyperframes --skill seam-craft -a codex`. Or copy the skill folder (.agents/skills/seam-craft in heygen-com/hyperframes) into .agents/skills/seam-craft in your project. Codex loads it when a task matches its description.
Can I use Seam Craft Render Rules in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add heygen-com/hyperframes --skill seam-craft -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/seam-craft, .gemini/skills/seam-craft, .github/skills/seam-craft and .opencode/skills/seam-craft in your project.
What does Seam Craft Render Rules need to run?
SKILL.md names no scripts, command-line tools or credentials: Seam Craft Render Rules is instructions for the agent only. Our summary lists: A HyperFrames project with scene wrappers on a master timeline.
Does Seam Craft Render Rules access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Seam Craft Render Rules safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Seam Craft Render Rules use?
Seam Craft Render Rules is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Seam Craft Render Rules use?
About 1.2k tokens (SKILL.md is roughly 4.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Seam Craft Render Rules?
Skills that share tags, products or a category with Seam Craft Render Rules: Talking-Head Video Pipeline (naive-kun/naive-video-skill, 132 stars), Duo Foldable Phone Comparison (heygen-com/hyperframes-community-skills, 183 stars), X Posting License Video (heygen-com/hyperframes-community-skills, 183 stars) and Plotbeat Data Videos (Unclecheng-li/AI_Animation, 1.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Seam Craft Render Rules?
heygen-com (a GitHub organization) maintains it in heygen-com/hyperframes, which has 59,375 GitHub stars. The repository holds 32 skills in this directory. The repository was last updated on October 9, 2026.
Source: heygen-com/hyperframes on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.