Video Understand
calesthio/OpenMontage
Understand video content locally using ffmpeg frame extraction and Whisper transcription.
视频片头 / 片尾：生成带标题、副标题、logo、关注引导的片头卡片和片尾卡片，并拼接到主视频（硬切或淡入淡出转场）。当用户说 片头、片尾、加片头片尾、开场卡片、结尾卡片、标题卡、关注引导页、订阅引导、视频开头加标题、结尾加点赞关注、intro、outro、片头动画 时使用。基于 shared/scripts/introoutro.py 确定性 ffmpeg 封装。与 poster-hero…
Install Video Intro Outro
$ npx skills add ZJU-REAL/Easel --skill video-intro-outro -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install ZJU-REAL/Easel video-intro-outro --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/ZJU-REAL/Easel.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/openclaw/video-intro-outro .claude/skills/video-intro-outro && 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 "video-intro-outro" agent skill from https://github.com/ZJU-REAL/Easel/tree/main/skills/openclaw/video-intro-outro into .claude/skills/video-intro-outro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "video-intro-outro", 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/ZJU-REAL/Easel/tree/main/skills/openclaw/video-intro-outroType 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 ZJU-REAL/Easel --skill video-intro-outro -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install ZJU-REAL/Easel video-intro-outro --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ZJU-REAL/Easel.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/openclaw/video-intro-outro .agents/skills/video-intro-outro && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "video-intro-outro" agent skill from https://github.com/ZJU-REAL/Easel/tree/main/skills/openclaw/video-intro-outro into .agents/skills/video-intro-outro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "video-intro-outro", 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 ZJU-REAL/Easel --skill video-intro-outro -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install ZJU-REAL/Easel video-intro-outro --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ZJU-REAL/Easel.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/openclaw/video-intro-outro .cursor/skills/video-intro-outro && 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 "video-intro-outro" agent skill from https://github.com/ZJU-REAL/Easel/tree/main/skills/openclaw/video-intro-outro into .cursor/skills/video-intro-outro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "video-intro-outro", 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/ZJU-REAL/Easel.git --path skills/openclaw/video-intro-outro--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 ZJU-REAL/Easel --skill video-intro-outro -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install ZJU-REAL/Easel video-intro-outro --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ZJU-REAL/Easel.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/openclaw/video-intro-outro .gemini/skills/video-intro-outro && 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 "video-intro-outro" agent skill from https://github.com/ZJU-REAL/Easel/tree/main/skills/openclaw/video-intro-outro into .gemini/skills/video-intro-outro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "video-intro-outro", 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 ZJU-REAL/Easel video-intro-outroInstalls 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 ZJU-REAL/Easel --skill video-intro-outro -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/ZJU-REAL/Easel.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/openclaw/video-intro-outro .github/skills/video-intro-outro && 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 "video-intro-outro" agent skill from https://github.com/ZJU-REAL/Easel/tree/main/skills/openclaw/video-intro-outro into .github/skills/video-intro-outro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "video-intro-outro", 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 ZJU-REAL/Easel --skill video-intro-outro -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install ZJU-REAL/Easel video-intro-outro --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ZJU-REAL/Easel.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/openclaw/video-intro-outro .opencode/skills/video-intro-outro && 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 "video-intro-outro" agent skill from https://github.com/ZJU-REAL/Easel/tree/main/skills/openclaw/video-intro-outro into .opencode/skills/video-intro-outro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "video-intro-outro", 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
video-intro-outro- GitHub stars
- 3.4k
- Token cost
- ~655 tokens
- SKILL.md length
- 122 words
- Files
- 1
- Skills in repo
- 114
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
视频片头 / 片尾：生成带标题、副标题、logo、关注引导的片头卡片和片尾卡片，并拼接到主视频（硬切或淡入淡出转场）。当用户说 片头、片尾、加片头片尾、开场卡片、结尾卡片、标题卡、关注引导页、订阅引导、视频开头加标题、结尾加点赞关注、intro、outro、片头动画 时使用。基于 shared/scripts/introoutro.py 确定性 ffmpeg 封装。与 poster-hero…
- Works in 3 steps: 生成片头卡片 → 生成片尾卡片（带关注引导） → 拼接到主视频
- Tasks that involve Video production
- SKILL.md covers 输入, 输出（outputs/主题名/）, 执行步骤 and Profile 感知, plus 2 more sections
- Calls python
What it does
Video Intro Outro is an agent skill from ZJU-REAL/Easel. 视频片头 / 片尾：生成带标题、副标题、logo、关注引导的片头卡片和片尾卡片，并拼接到主视频（硬切或淡入淡出转场）。当用户说 片头、片尾、加片头片尾、开场卡片、结尾卡片、标题卡、关注引导页、订阅引导、视频开头加标题、结尾加点赞关注、intro、outro、片头动画 时使用。基于 shared/scripts/introoutro.py 确定性 ffmpeg 封装。与 poster-hero 区别：poster-hero 出静态封面图，本 SKILL 出可拼接的视频卡片片段。
Its SKILL.md is about 660 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Media & Creative, covering Video production. It works with FFmpeg. The repository describes itself as: An open-source AI agent for social media — discover trends, create content, publish everywhere, and learn what works across Xiaohongshu, Douyin, Zhihu, Bilibili, and more.🎨一个开源的… The licence is Apache-2.0.
When your agent uses it
- Tasks that involve Video production
Example prompts
- “/video-intro-outro”
Requirements
- Python 3
Workflow steps
3 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 278f420. 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
Shell commands in SKILL.md call:
python
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
Video Intro Outro loads about 655 tokens when it runs. Until then it costs about 65 tokens; SKILL.md has 122 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 ZJU-REAL/Easel at commit 278f420, republished under its Apache-2.0 licence (© ZJU-REAL). 122 words, ~655 tokens.
Download SKILL.mdSave it as
.claude/skills/video-intro-outro/SKILL.md (or your agent's skills folder).- name
- video-intro-outro
- description
- 视频片头 / 片尾：生成带标题、副标题、logo、关注引导的片头卡片和片尾卡片，并拼接到主视频（硬切或淡入淡出转场）。当用户说 片头、片尾、加片头片尾、开场卡片、结尾卡片、标题卡、关注引导页、订阅引导、视频开头加标题、结尾加点赞关注、intro、outro、片头动画 时使用。基于 shared/scripts/intro_outro.py 确定性 ffmpeg 封装。与 poster-hero 区别：poster-hero 出静态封面图，本 SKILL 出可拼接的视频卡片片段。
- layer
- produce
视频片头 / 片尾
生成片头/片尾视频卡片（标题 + 副标题 + logo + 关注引导），并把 片头 + 主视频 + 片尾 归一化后拼接成一条成片。全部走
skills/shared/scripts/intro_outro.py，不要手拼 drawtext / xfade——脚本已处理字体路径、音画参数一致、转场时间偏移计算。
只做"片头/片尾卡片 + 拼接"。静态封面图见 poster-hero；通用剪辑见 video-editing； 完整"一句话→成片"流水线见 auto-short-video。
输入
| 字段 | 必填 | 说明 |
|---|---|---|
| 主视频 | 拼接时必填 | 要加片头/片尾的视频（没给就问） |
| 标题/副标题 | 推荐 | 片头主题、片尾致谢等文案 |
| 关注引导 CTA | 片尾常用 | 如"点赞 + 关注 不迷路" |
| logo | 可选 | 品牌 logo 图片，叠在标题上方 |
| 画幅 | 可选 | 默认竖版 1080x1920；拼接时默认对齐主视频 |
| 背景 | 可选 | 纯色 / 双色渐变 / 图片 |
输出（outputs/主题名/）
- 片头 / 片尾卡片片段（
intro.mp4/outro.mp4） - 拼接后的成片（
*-final.mp4） - 报告：卡片时长、画幅、转场方式
执行步骤
脚本路径（相对项目根）：skills/shared/scripts/intro_outro.py（各子命令支持 -h）。
1. 生成片头卡片
python skills/shared/scripts/intro_outro.py card \
--title "本期主题" --subtitle "3 分钟讲清楚" \
--gradient --color 0x1a2a6c --color2 0xb21f1f \
--size 1080x1920 --duration 2.5 -o outputs/主题名/intro.mp42. 生成片尾卡片（带关注引导）
python skills/shared/scripts/intro_outro.py card --preset outro \
--title "感谢观看" --cta "点赞 + 关注 不迷路" \
--color black --size 1080x1920 --duration 2.5 \
-o outputs/主题名/outro.mp4背景三选一：--color <色>（纯色）/ --gradient（配 --color/--color2 双色渐变）/
--bg-image <图>（图片背景，自动裁切填满）。--logo <图> 叠加品牌 logo。
3. 拼接到主视频
# 硬切（默认，最稳）
python skills/shared/scripts/intro_outro.py attach --main <主视频> \
--intro outputs/主题名/intro.mp4 \
--outro outputs/主题名/outro.mp4 \
-o outputs/主题名/<名>-final.mp4
# 淡入淡出转场
python skills/shared/scripts/intro_outro.py attach --main <主视频> \
--intro outputs/主题名/intro.mp4 --transition fade --trans-duration 0.5 \
-o outputs/主题名/<名>-final.mp4--intro / --outro 至少给一个，可只加其一。--transition 可选
none/fade/fadeblack/fadewhite/wipeleft/slideup/circleopen。画幅默认对齐主视频，
--size 可强制。
Profile 感知
- 有 Profile：标题/CTA 语气贴合
style.md人设；有品牌 logo/主色时用作--logo与--color；默认画幅按platforms.md主平台（抖音/小红书竖版 1080x1920，B站/横版 1920x1080）。 - 无 Profile：用中性文案与默认深色背景，竖版 1080x1920，末尾提示可提供品牌信息定制。
规则
- 卡片时长默认 2.5s，片头别太长（2-3s 为宜），避免劝退。
- 文案精炼——标题一句、副标题一句、CTA 一句，不堆字。
- 拼接前脚本会自动把三段归一化到同画幅/帧率/音轨，不要自己先转格式。
- 转场时长自动限制在相邻片段时长内，过长会被收窄。
- 产物统一进
outputs/主题名/。
参考来源
片头片尾/关注引导卡片是短视频与 B站/YouTube 的标准件；实现参考 ffmpeg drawtext（文字层） 与 xfade/acrossfade（转场音画交叠）的确定性组合，把易错的时间偏移与参数对齐封装进脚本。
© ZJU-REAL, 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 skills/openclaw/video-intro-outro of ZJU-REAL/Easel.
Open the folder on GitHubat commit 278f420
Compare with similar skills
Video Intro Outro 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 |
|---|---|---|---|---|---|---|
| Video Intro Outro this skillZJU-REAL/Easel | 3.4k | — | ~655 | Automated safety check: Pass | Apache-2.0 | |
| Video Understandcalesthio/OpenMontage | 66k | — | ~841 | Automated safety check: Pass | AGPL-3.0 | |
| HyperFrames Video Entry Pointheygen-com/hyperframes | 60k | 3 repos | ~5.2k | Automated safety check: Pass | Apache-2.0 | |
| Video Shotseternityspring/reelbench-skills | 878 | 1 repos | ~1.8k | Automated safety check: Notes | Apache-2.0 | |
| Mobile Demo Film Editorsuperset-sh/superset | 15k | — | ~1.8k | Automated safety check: Pass | Custom licence | |
| Video Editcalesthio/OpenMontage | 66k | — | ~855 | Automated safety check: Notes | AGPL-3.0 |
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Questions about Video Intro Outro
What does Video Intro Outro do?
视频片头 / 片尾：生成带标题、副标题、logo、关注引导的片头卡片和片尾卡片，并拼接到主视频（硬切或淡入淡出转场）。当用户说 片头、片尾、加片头片尾、开场卡片、结尾卡片、标题卡、关注引导页、订阅引导、视频开头加标题、结尾加点赞关注、intro、outro、片头动画 时使用。基于 shared/scripts/introoutro.py 确定性 ffmpeg 封装。与 poster-hero…. Video Intro Outro is an agent skill from ZJU-REAL/Easel.
When should I use Video Intro Outro?
Video Intro Outro fits situations like: tasks that involve Video production.
How do I install Video Intro Outro in Claude Code?
Run `npx skills add ZJU-REAL/Easel --skill video-intro-outro -a claude-code`. Or copy the skill folder (skills/openclaw/video-intro-outro in ZJU-REAL/Easel) into .claude/skills/video-intro-outro in your project. Claude Code loads it when a task matches its description.
How do I install Video Intro Outro in Codex?
Run `npx skills add ZJU-REAL/Easel --skill video-intro-outro -a codex`. Or copy the skill folder (skills/openclaw/video-intro-outro in ZJU-REAL/Easel) into .agents/skills/video-intro-outro in your project. Codex loads it when a task matches its description.
Can I use Video Intro Outro 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 ZJU-REAL/Easel --skill video-intro-outro -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/video-intro-outro, .gemini/skills/video-intro-outro, .github/skills/video-intro-outro and .opencode/skills/video-intro-outro in your project.
What does Video Intro Outro need to run?
Going by SKILL.md and its folder, Video Intro Outro needs the command-line tools its instructions call (python). Our summary lists: Python 3.
Does Video Intro Outro 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 Video Intro Outro 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 Video Intro Outro use?
Video Intro Outro 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 Video Intro Outro use?
About 655 tokens (SKILL.md is roughly 2.6k 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 Video Intro Outro?
Skills that share tags, products or a category with Video Intro Outro: Video Understand (calesthio/OpenMontage, 66k stars), HyperFrames Video Entry Point (heygen-com/hyperframes, 60k stars), Video Shots (eternityspring/reelbench-skills, 878 stars) and Mobile Demo Film Editor (superset-sh/superset, 15k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Video Intro Outro?
ZJU-REAL (a GitHub organization) maintains it in ZJU-REAL/Easel, which has 3,376 GitHub stars. The repository holds 114 skills in this directory. The repository was last updated on October 9, 2026.
Source: ZJU-REAL/Easel on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.