silvertongue
by auscaster
Write like anyone famous. Famous writing voices for your agent, over MCP: studied from the source, every source linked.
81stars
0forks
TypeScript
Added 11/11/2026
Available after the catalog security scan passes.
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AI Agentsai-agentsclaudegemini-cli-extensionllmmcpmcp-servermodel-context-protocolpromptsvoicewritingwriting-style
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Installation
# Add to your Claude Code skills
git clone https://github.com/auscaster/silvertongueGetting Started
Guides for using ai agents skills like silvertongue.
- Caveman: Cut Claude Token Use by 65%How agent-side prompt compression works, when to use it, and when not to.
- How to Test an AI Skill: A Practical Guide to EvalsEvaluate skills with realistic fixtures, a baseline, and repeatable checks.
- Getting Started with AI SkillsFirst-time install walkthrough for Claude Code, Codex CLI, and ChatGPT.
Compare with similar skills
See how silvertongue compares with popular alternatives.
An open catalogue of famous writing voices for your agent and your browser. Pick a voice. Switch any time. Keep your point.
How it works · Example · Why it wins · The catalogue · Use it everywhere · Add a voice · Remove or correct a voice
How it works
- Pick a voice. Every voice in the catalogue is a researched study of how a famous person writes: how they open, argue, land a line, and what they never say.
- Bring your point. Your brief, your facts, your numbers, your story. The voice changes the delivery and leaves the substance alone.
- Switch any time. Same idea, another voice, one swap. Mid-draft or mid-thread.
An example, side by side
The message: To my mate Dave: I can't make your wedding on Saturday. I double-booked, and honestly the open bar was the only reason I was coming. Congratulations though. I owe you a blender.
Written in each profile's technique, never their words. Every voice's own example is in its profile.json.
Why it beats "write like…"
Ask a chatbot to "write like" someone famous and you get an impression from memory: stock catchphrases, every format flattened into the same post, and your actual point lost somewhere in the costume. Silvertongue voices are built the other way round.
- Studied from the source. Each voice is drawn from their own words (what the person published, or what the character says on the page and on screen), in the medium it is for, with every source linked.
- Blind-tested before it ships. A voice joins the catalogue when people pick it over a plain "write like name" prompt without knowing which is which.
- Your facts, their delivery. Numbers, names and stories come through untouched. That is why people post the result.
- One file, every surface. The same
VOICE.mdruns in your agent, your browser and anywhere else a model reads text.
The catalogue
Founders and builders, creators, stars, comedians, famous characters, essayists, classic writers and politicians, added one pull request at a time. Each voice is a folder in profiles/: a VOICE.md that an agent reads, and a profile.json with its scope, limits, sources and verification status.
Community profiles can merge here before verification. Only voices with verified: true, approved against the blind-test quality bar, appear in the app, MCP and extension catalogue.
| Voice | The move | Studied |
|---|---|---|
| Cher | Feel it, post it, and let the emoji finish the sentence. | 12 posts and 2 transcripts, 1996 to 2026 |
| Donald Trump | Make it the biggest thing that ever happened, with Capitals and exclamation marks. | 1 speech, 8 posts and 1 essay, 1987 to 2026 |
| Elon Musk | Say it in as few words as the claim allows and let a number do the arguing. | 2 essays, 8 posts and 2 transcripts, 2006 to 2026 |
| MrBeast | Lead with a premise and a big number, then tell people to go watch. | 10 posts and 4 transcripts, 2021 to 2026 |
| Ricky Gervais | Say the plain thing, then turn it in the last sentence. | 5 transcripts and 7 posts, 2016 to 2026 |
| Snoop Dogg | Call what's really going on like it's a game on TV, then rule on it. | 1 speech, 7 posts and 10 transcripts, 2016 to 2025 |
| Theo Von | Say what a thing really is in one absurd comparison, then take it somewhere darker. | 24 posts and 1 transcript, 2015 to 2026 |
| William Shakespeare | Raise the stakes, turn the listener's view around, and land it in a rhymed couplet. | 5 plays and 1 poem, 1604 to 1623 |
Featured voices. All 50 public profiles are listed in profiles/.
Generated from profiles/ with npm run catalogue and checked in CI.
VOICE.md has nine parts, defined by the VOICE.md v0 format:
| Part | What it captures |
|---|---|
| Lens | What they notice and make of things: what a draft finds to say |
| Moves | Their signature moves, each with what sets it off, how often, and a real line of theirs that shows it |
| Texture | How they speak: grammar, rhythm, register, the words they reach for, punctuation and emoji |
| Plain | What most of their writing looks like |
| Occasions | How they handle a post, a reply, a request, a complaint and good news |
| Never | What they never do, and the impression people imitate |
| Signatures | Their catchphrases, each with the situation it belongs to |
| Facts and identity | Your facts stay yours; nobody pretends to be anybody |
| Examples | About twenty ordinary points and how they would handle each, for range |
Use it everywhere
| Where | How | |
|---|---|---|
| Any agent | Hand it a VOICE.md with your brief |
Now |
| Claude Code and Codex | claude plugin marketplace add auscaster/agent-plugins, then claude plugin install silvertongue@auscaster (or codex plugin add silvertongue@auscaster) |
Now |
| Gemini CLI | gemini extensions install https://github.com/auscaster/silvertongue |
Now |
| Any MCP client | https://mcp.silvertongue.dev/mcp, with voice switching mid-thread |
Now |
| Your browser | Get the browser extensions and rewrite in the text box where you work | Now |
Start now with any voice:
curl -fsSLo VOICE.md h
Frequently Asked Questions
What is silvertongue?
silvertongue is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by auscaster. Write like anyone famous. Famous writing voices for your agent, over MCP: studied from the source, every source linked. It has 81 GitHub stars.
Is silvertongue safe to use?
silvertongue's catalog security scan is still queued. You can run an instant dependency and prompt-injection check now with the "Scan for vulnerabilities" button above.
How do I install silvertongue?
Clone the repository with "git clone https://github.com/auscaster/silvertongue" and add it to your Claude Code skills directory (see the Installation section above).
What programming language is silvertongue written in?
silvertongue is primarily written in TypeScript. It is open-source under auscaster on GitHub, so you can review or fork the full source.
Are there alternatives to silvertongue?
Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh silvertongue against similar tools.
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