Claude
3ef5df7efb
Add manifest.firefox.json for Firefox MV3 (gecko ID, background scripts instead of service_worker, options_ui). Introduce browser-polyfill.js shim so all modules use whichever API is available (browser.* or chrome.*). Add build.sh to target chrome, firefox, or both. https://claude.ai/code/session_01Dvgwe7XMoSxnWXkih8p1Cw
71 lines
2.7 KiB
Markdown
71 lines
2.7 KiB
Markdown
# Silent Send
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A Chrome extension that intercepts personal information and substitutes it with user-defined replacements before sending to Claude.ai.
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## How it works
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1. **You define mappings** — e.g. "John Smith" → "Alex Demo", "john@gmail.com" → "alex@example.com"
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2. **You type normally** — you see your real text while composing
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3. **On send, it swaps** — the extension intercepts the API request and replaces real values with substitutes
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4. **Badge shows count** — the extension icon shows how many substitutions were made
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5. **Reveal mode** — optionally translates Claude's responses back to your real data
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## How to verify it's working
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- **Badge count** on the extension icon shows substitutions per page
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- **Activity tab** in the popup shows a timestamped log of every substitution
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- **Test tab** in the popup lets you type text and see the before/after diff
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- **Reveal mode** (eye icon) toggles showing real vs substitute data in responses
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- **Browser DevTools** → Console shows `[Silent Send] Substituted N value(s)` messages
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## Installation
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### Chrome (Developer Mode)
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1. Clone this repo
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2. Run `./build.sh chrome` (or just use the root directory directly)
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3. Open `chrome://extensions/`
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4. Enable **Developer mode** (top right)
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5. Click **Load unpacked** → select `dist/chrome/` (or root dir)
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6. Navigate to claude.ai — the extension is active
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### Firefox
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1. Clone this repo
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2. Run `./build.sh firefox`
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3. Open `about:debugging` → **This Firefox**
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4. Click **Load Temporary Add-on** → select `dist/firefox/manifest.json`
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5. Navigate to claude.ai — the extension is active
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For persistent Firefox installation, package and sign via `web-ext`:
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```
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cd dist/firefox && npx web-ext sign --api-key=YOUR_KEY --api-secret=YOUR_SECRET
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```
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No store required for either browser in developer mode.
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## Architecture
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```
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manifest.json — Extension manifest (Manifest V3)
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src/
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background/
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service-worker.js — Badge management, logging coordination
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content/
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injector.js — Content script (isolated world) — loads config, bridges messaging
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content.js — Page script (main world) — hooks fetch(), does substitution
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content.css — Visual indicators (highlights, reveals)
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popup/
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popup.html/css/js — Quick access: add mappings, view activity, test mode
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options/
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options.html/css/js — Full mapping management, import/export, settings
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lib/
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substitution-engine.js — Core find/replace logic
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storage.js — Browser storage wrapper
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browser-polyfill.js — Chrome/Firefox API compatibility
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```
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## Privacy
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- All data stays local in browser storage
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- No external servers, no telemetry, no analytics
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- The extension only activates on claude.ai
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