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230 lines
8.4 KiB
Markdown
# LexAI — Social media posts
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Ready-to-copy posts for promoting [LexAI](https://lexai.juankibin.space/).
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**Website:** https://lexai.juankibin.space/
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**Chrome Web Store:** https://chromewebstore.google.com/detail/bagpcheidbkfgijnnmolnkgagibbjfnk
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**VS Code Marketplace:** https://marketplace.visualstudio.com/items?itemName=JuanKibin.lexai-vscode
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**Repository:** https://git.juankibin.space/kibin/LexAI
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---
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## Prompt Builder — featured angle
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Use these when you want **Prompt Builder** front and center. It works in three places: Chrome (**Make Prompt**), VS Code, and the CLI (`lexai prompt`).
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### LinkedIn — Prompt Builder focus
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Bad prompts waste good models.
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LexAI **Prompt Builder** turns a rough idea into a paste-ready, engineered prompt — before you send it to Claude, Cursor, ChatGPT, or any other agent.
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How it works:
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- **Chrome** — select any text → **Make Prompt** → copy a structured prompt for your next session
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- **VS Code / Cursor** — select code or notes → Make Prompt with pattern, persona, and format options
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- **CLI** — `lexai prompt "add rate limiting to the auth routes"` → engineered prompt on stdout, ready to pipe or paste
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Pick a pattern (role, chain-of-thought, and more), set persona and output format, and get something you can actually hand to an AI agent.
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Same BYO-key model: your API key, your provider, no LexAI servers.
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Try it: https://lexai.juankibin.space/
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Docs: https://lexai.juankibin.space/docs
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#PromptEngineering #AI #OpenSource #DeveloperTools #BYOLLM
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### X / Twitter — Prompt Builder focus
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> Stop pasting vague prompts into Claude and Cursor.
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>
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> LexAI Prompt Builder: rough idea → engineered, paste-ready prompt.
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>
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> Chrome · VS Code · CLI (`lexai prompt`)
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> Your key. No subscription.
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>
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> https://lexai.juankibin.space/
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### Short demo tweet
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> "add rate limiting to auth" →
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>
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> LexAI Prompt Builder →
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>
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> structured prompt you paste into Cursor ✓
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>
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> Browser, editor, or terminal. BYO API key.
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> https://lexai.juankibin.space/
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---
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## LinkedIn
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### Option A — Full launch post
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I built LexAI because I was tired of paying for Grammarly *and* Copilot when I already had an LLM API key.
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LexAI is an open-source writing, coding, and **prompt-engineering** assistant that uses **your** API key — no LexAI account, no servers, no subscription.
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What it does:
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- **Prompt Builder** — turn a rough idea into a paste-ready prompt (Chrome, VS Code, or CLI). Patterns, persona, and format built in.
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- **Chrome extension** — select text on any webpage → Fix, Rephrase, Shorten, Expand, Explain, or **Make Prompt**
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- **VS Code / Cursor extension** — select code, give an instruction, apply a suggestion with file context
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- **CLI** — `lexai prompt "your idea"` outputs an engineered prompt to stdout — pipe it straight into your workflow
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Your key stays on your device. Text goes only to the provider you choose (OpenAI, Anthropic, Groq, or OpenRouter).
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MIT licensed. Audit it, fork it, ship your own build.
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Learn more: https://lexai.juankibin.space/
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Chrome: https://chromewebstore.google.com/detail/bagpcheidbkfgijnnmolnkgagibbjfnk
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VS Code: https://marketplace.visualstudio.com/items?itemName=JuanKibin.lexai-vscode
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#OpenSource #AI #PromptEngineering #DeveloperTools #Productivity #BYOLLM
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### Option B — Short
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Skip the second subscription — and stop writing bad prompts by hand.
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LexAI = Grammarly-style writing in Chrome + Copilot-style code assist in VS Code + a **Prompt Builder** that engineers paste-ready prompts from a rough idea.
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Your LLM API key. No LexAI servers. No fee.
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Open source (MIT): https://lexai.juankibin.space/
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#AI #OpenSource #PromptEngineering #BuildInPublic
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---
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## X / Twitter
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### Launch tweet
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LexAI: BYO-LLM writing, coding, and **prompt engineering** — no subscription, no account, no LexAI servers.
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✨ Prompt Builder — rough idea → paste-ready prompt
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🌐 Chrome: fix/rephrase/**make prompt** on any page
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💻 VS Code: select code → instruct → apply
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⌨️ CLI: `lexai prompt "your idea"`
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Open source (MIT)
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https://lexai.juankibin.space/
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### Thread opener
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Tired of paying Grammarly AND Copilot — and still writing vague prompts for Claude/Cursor?
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I built LexAI: your key, your provider, your device. Writing help + code assist + **Prompt Builder**. 🧵
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*(Reply with one tweet per feature — lead with Prompt Builder, then Chrome, VS Code, CLI + links)*
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### Thread reply — Prompt Builder (tweet 2)
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> Feature 1: **Prompt Builder**
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>
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> Type a rough idea → get a structured, paste-ready prompt.
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>
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> Use it in Chrome (Make Prompt), VS Code, or terminal:
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> `lexai prompt "debug flaky tests on CI"`
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>
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> Pipe to clipboard. Paste into Cursor. Done.
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### Short punchy
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Your API key. Your provider. No LexAI cloud.
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**Prompt Builder** in browser, editor, and CLI. Writing help in Chrome. Code assist in VS Code.
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https://lexai.juankibin.space/ · MIT
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---
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## Facebook / Instagram
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Meet LexAI — AI writing, coding, and **prompt engineering** without another monthly bill.
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If you already have an OpenAI, Anthropic, Groq, or OpenRouter API key, LexAI puts it to work:
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✨ **Prompt Builder** — rough idea → engineered, paste-ready prompt (Chrome, VS Code, or CLI)
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✍️ Fix grammar and rephrase text on any website
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💻 Get coding suggestions in VS Code or Cursor
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🛠️ Run `lexai prompt` from the terminal and pipe the result anywhere
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Stop guessing what to type into ChatGPT or Cursor. LexAI structures the prompt for you.
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Your data stays yours — no LexAI account, no servers, no tracking.
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Free & open source.
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👉 https://lexai.juankibin.space/
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#LexAI #AI #PromptEngineering #OpenSource #ProductivityHack
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---
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## Reddit / Hacker News
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### Title
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Show HN: LexAI – BYO-LLM writing help, code assist, and Prompt Builder (Chrome + VS Code + CLI)
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### Body
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LexAI is an open-source toolkit for people who already have an LLM API key — an alternative to Grammarly + Copilot subscriptions, with a built-in **Prompt Builder** for agent workflows.
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**Prompt Builder** (the part I use most):
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- Turn a rough idea into a paste-ready, engineered prompt
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- Available in Chrome (**Make Prompt**), VS Code, and CLI
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- Patterns (role, chain-of-thought, etc.), persona, output format, and style options
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- CLI example: `lexai prompt "add rate limiting to the express auth routes"` → stdout, pipe-safe
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**Also:**
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- Chrome MV3 extension: select text → Fix / Rephrase / Shorten / Expand / Explain / Make Prompt
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- VS Code extension: workspace-aware Code Assist (select code, instruct, apply)
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- Shared provider core: OpenAI, Anthropic, Groq, OpenRouter
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No LexAI backend, account, or telemetry. Keys stay on-device (encrypted in Chrome, Secret Storage in VS Code).
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Site: https://lexai.juankibin.space/
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Docs: https://lexai.juankibin.space/docs
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Repo: https://git.juankibin.space/kibin/LexAI
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Chrome: https://chromewebstore.google.com/detail/bagpcheidbkfgijnnmolnkgagibbjfnk
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VS Code: https://marketplace.visualstudio.com/items?itemName=JuanKibin.lexai-vscode
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MIT licensed. Feedback and contributions welcome.
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---
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## Threads / Bluesky
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Built LexAI for people who already pay for an LLM API key and don't want Grammarly + Copilot subscriptions on top.
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Highlight: **Prompt Builder** — rough idea in, engineered prompt out. Works in the browser (Make Prompt), VS Code, and terminal (`lexai prompt`). Paste straight into Claude or Cursor.
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Also: writing help in Chrome, code assist in VS Code. Your key never hits LexAI servers.
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Open source: https://lexai.juankibin.space/
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---
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## Hashtag reference
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| Platform | Suggested tags |
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| --------- | -------------- |
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| LinkedIn | `#OpenSource` `#AI` `#PromptEngineering` `#DeveloperTools` `#Productivity` `#BuildInPublic` `#Privacy` |
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| X | `#PromptEngineering` `#BYOLLM` `#OpenSource` `#DevTools` `#AI` |
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| Instagram | `#LexAI` `#AI` `#PromptEngineering` `#OpenSource` `#Tech` `#Productivity` |
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---
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## Posting tips
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1. **Lead with Prompt Builder** when posting to dev/AI communities — "rough idea → paste-ready prompt" is a clear, immediate win.
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2. **Show a before/after** — screenshot a one-line idea next to the engineered prompt LexAI outputs; that demo converts better than feature lists.
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3. **CLI clip for dev Twitter** — record `lexai prompt "..." | Set-Clipboard` (or pipe to terminal) and paste into Cursor in the next frame.
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4. **Pin the website link** in your bio or first comment if the platform limits link visibility.
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5. **CTA by audience** — prompt engineers → CLI + Make Prompt; developers → VS Code + repo; writers/general → Chrome Web Store.
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