Edu Chem Video
wy51ai/edulab
A skill your agent uses when asked to make an explainer / walkthrough video (讲解视频、解题视频、例题精讲、微课) for a chemistry problem (化学题: 氧化还原配平 双线桥 电子守恒, 物质的量计算, 化学平衡 三段式 平衡常数 转化率 反应速率, 离子反应, 电化学, 溶液 滴定…
Create a vocabulary learning chat MulmoScript with messenger-style animated UI (voiceover approach).
Install Vocab Chat
$ npx skills add receptron/mulmocast-cli --skill vocab-chat -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install receptron/mulmocast-cli vocab-chat --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/receptron/mulmocast-cli.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/vocab-chat .claude/skills/vocab-chat && 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 "vocab-chat" agent skill from https://github.com/receptron/mulmocast-cli/tree/main/.claude/skills/vocab-chat into .claude/skills/vocab-chat/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vocab-chat", 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/receptron/mulmocast-cli/tree/main/.claude/skills/vocab-chatType 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 receptron/mulmocast-cli --skill vocab-chat -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install receptron/mulmocast-cli vocab-chat --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/receptron/mulmocast-cli.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/vocab-chat .agents/skills/vocab-chat && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "vocab-chat" agent skill from https://github.com/receptron/mulmocast-cli/tree/main/.claude/skills/vocab-chat into .agents/skills/vocab-chat/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vocab-chat", 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 receptron/mulmocast-cli --skill vocab-chat -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install receptron/mulmocast-cli vocab-chat --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/receptron/mulmocast-cli.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/vocab-chat .cursor/skills/vocab-chat && 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 "vocab-chat" agent skill from https://github.com/receptron/mulmocast-cli/tree/main/.claude/skills/vocab-chat into .cursor/skills/vocab-chat/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vocab-chat", 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/receptron/mulmocast-cli.git --path .claude/skills/vocab-chat--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 receptron/mulmocast-cli --skill vocab-chat -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install receptron/mulmocast-cli vocab-chat --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/receptron/mulmocast-cli.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/vocab-chat .gemini/skills/vocab-chat && 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 "vocab-chat" agent skill from https://github.com/receptron/mulmocast-cli/tree/main/.claude/skills/vocab-chat into .gemini/skills/vocab-chat/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vocab-chat", 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 receptron/mulmocast-cli vocab-chatInstalls 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 receptron/mulmocast-cli --skill vocab-chat -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/receptron/mulmocast-cli.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/vocab-chat .github/skills/vocab-chat && 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 "vocab-chat" agent skill from https://github.com/receptron/mulmocast-cli/tree/main/.claude/skills/vocab-chat into .github/skills/vocab-chat/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vocab-chat", 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 receptron/mulmocast-cli --skill vocab-chat -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install receptron/mulmocast-cli vocab-chat --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/receptron/mulmocast-cli.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/vocab-chat .opencode/skills/vocab-chat && 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 "vocab-chat" agent skill from https://github.com/receptron/mulmocast-cli/tree/main/.claude/skills/vocab-chat into .opencode/skills/vocab-chat/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vocab-chat", 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
vocab-chat- GitHub stars
- 475
- Token cost
- ~2.5k tokens
- SKILL.md length
- 538 words
- Files
- 2
- Skills in repo
- 7
- Repo updated
- First seen
- Licence
- None found
At a glance
Create a vocabulary learning chat MulmoScript with messenger-style animated UI (voiceover approach).
- Works in 4 steps: Content Generation → Create Initial Script (without timing) → Generate Audio & Calculate Timing → …
- The user wants to create vocabulary learning content
- SKILL.md covers Phase 1: Content Generation, Phase 2: Create Initial Script…, Phase 3: Generate Audio &… and Phase 4: Generate Movie, plus 3 more sections
- Runs TypeScript scripts from its folder; calls yarn and npx
What it does
Vocab Chat is an agent skill from receptron/mulmocast-cli. Create a vocabulary learning chat MulmoScript with messenger-style animated UI (voiceover approach). Use when the user wants to create vocabulary learning content.
Its SKILL.md is about 2.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `calc_voiceover_timing.ts`).
It sits in Media & Creative, covering Text to speech and voice and Translation. The repository describes itself as: AI-powered podcast & video generator.
When your agent uses it
- The user wants to create vocabulary learning content
- Tasks that involve Text to speech and voice
- Tasks that involve Translation
Example prompts
- “/vocab-chat”
Requirements
- Node.js
- Pre-approved tools (allowed-tools): Read, Write, Edit, Bash, Grep, Glob
Workflow steps
4 steps, taken from the step headings in SKILL.md.
- Content Generation
- Create Initial Script (without timing)
- Generate Audio & Calculate Timing
- Generate Movie
What it can do on your machine
Read from SKILL.md and the folder at commit 2a3ad8a. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadWriteEditBashGrepGlob
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships script files (TypeScript), which the agent can run.
Shell commands in SKILL.md call:
yarnnpx
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use yarn and npx, which can reach the network depending on how they are called.
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
Vocab Chat loads about 2.5k tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 538 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: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
allowed-tools: Read, Write, Edit, Bash, Grep, Glob
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
Without a licence we can't republish the file, so here is its outline and opening line. It has 538 words (~2,527 tokens).
“Create a messenger-style vocabulary chat video using MulmoCast's voiceover approach. The video shows an animated chat UI where a Tutor and Student discuss a target vocabulary word.”
- name
- vocab-chat
- allowed-tools
- Read, Write, Edit, Bash, Grep, Glob
- argument-hint
- <word> (e.g., layover)
- user-invocable
- true
Files
SKILL.md and 1 other file in .claude/skills/vocab-chat of receptron/mulmocast-cli.
- SKILL.md
- calc_voiceover_timing.ts
Open the folder on GitHubat commit 2a3ad8a
Compare with similar skills
Vocab Chat 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 |
|---|---|---|---|---|---|---|
| Vocab Chat this skillreceptron/mulmocast-cli | 475 | — | ~2.5k | Automated safety check: Notes | None | |
| Edu Chem Videowy51ai/edulab | 1.4k | — | ~2.1k | Automated safety check: Notes | Apache-2.0 | |
| Edu Math Videowy51ai/edulab | 1.4k | — | ~2.5k | Automated safety check: Notes | Apache-2.0 | |
| Edu Physics Videowy51ai/edulab | 1.4k | — | ~2.3k | Automated safety check: Notes | Apache-2.0 | |
| Dubbingelevenlabs/skills | 482 | — | ~3.3k | Automated safety check: Pass | MIT | |
| Video Translatecalesthio/OpenMontage | 66k | — | ~2.7k | Automated safety check: Pass | AGPL-3.0 |
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Related
Categories
Questions about Vocab Chat
What does Vocab Chat do?
Create a vocabulary learning chat MulmoScript with messenger-style animated UI (voiceover approach). Vocab Chat is an agent skill from receptron/mulmocast-cli. Create a vocabulary learning chat MulmoScript with messenger-style animated UI (voiceover approach).
When should I use Vocab Chat?
Vocab Chat fits situations like: the user wants to create vocabulary learning content; tasks that involve Text to speech and voice; tasks that involve Translation.
How do I install Vocab Chat in Claude Code?
Run `npx skills add receptron/mulmocast-cli --skill vocab-chat -a claude-code`. Or copy the skill folder (.claude/skills/vocab-chat in receptron/mulmocast-cli) into .claude/skills/vocab-chat in your project. Claude Code loads it when a task matches its description.
How do I install Vocab Chat in Codex?
Run `npx skills add receptron/mulmocast-cli --skill vocab-chat -a codex`. Or copy the skill folder (.claude/skills/vocab-chat in receptron/mulmocast-cli) into .agents/skills/vocab-chat in your project. Codex loads it when a task matches its description.
Can I use Vocab Chat 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 receptron/mulmocast-cli --skill vocab-chat -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/vocab-chat, .gemini/skills/vocab-chat, .github/skills/vocab-chat and .opencode/skills/vocab-chat in your project.
What does Vocab Chat need to run?
Going by SKILL.md and its folder, Vocab Chat needs TypeScript for the scripts in its folder and the command-line tools its instructions call (yarn and npx). Our summary lists: Node.js. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash, Grep, Glob.
Does Vocab Chat access the network?
SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Vocab Chat safe to install?
Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Vocab Chat use?
No licence was found for Vocab Chat or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Vocab Chat use?
About 2.5k tokens (SKILL.md is roughly 10k 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 Vocab Chat?
Skills that share tags, products or a category with Vocab Chat: Edu Chem Video (wy51ai/edulab, 1.4k stars), Edu Math Video (wy51ai/edulab, 1.4k stars), Edu Physics Video (wy51ai/edulab, 1.4k stars) and Dubbing (elevenlabs/skills, 482 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Vocab Chat?
receptron (a GitHub organization) maintains it in receptron/mulmocast-cli, which has 475 GitHub stars. The repository holds 7 skills in this directory. The repository was last updated on October 10, 2026.
Source: receptron/mulmocast-cli on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.