AI tools library

Firewall for the Mind

Chrome extension that uses AI to filter tweets, hiding politics, war and negative content from your timeline to help you focus.

AI Subroutines

Record a browser task once and save it as a callable script that replays inside the tab without LLM calls. Part of rtrvr.ai.

Cursor for Userscripts

A coding agent embedded in the browser that writes and maintains userscripts and CSS re-applied on page load, using a virtual filesystem. Tested with Opus 4.5.

Hover

Chrome extension that adds IDE-style hover documentation to code on any webpage, using an LLM through OpenRouter or a custom endpoint to explain tokens.

Autolicious

A Chrome extension that uses AI to catalog and organize your browser bookmarks.

Apogee

Private browser extension that summarizes articles, videos and discussion threads locally, using Ollama, WebGPU or Transformers.js, without sending your data out.

unbaited

Chrome extension that uses Llama 3.3 via Groq to filter engagement bait and political posts from your X/Twitter feed. The filter prompt is editable and needs your own Groq API key.

Hacker News TLDR

Open-source Chrome and Firefox extension that summarizes Hacker News articles with OpenAI or Anthropic models using your own API key.

peerd

Browser extension that runs a full AI agent loop in your browser. It drives tabs and runs sandboxed compute such as JS notebooks and WASM Linux VMs, using your own provider keys.

Claude Memory

Chrome extension that adds long-term memory to Claude and other AI chat assistants such as ChatGPT, Perplexity and Grok, so conversations can carry context across sessions.

Lingoku

Browser extension that swaps some English words on web pages for Japanese vocabulary matched to your level, using an LLM to fit context. Works on Chrome, Edge and Firefox.

Librarian

Chrome extension that searches your bookmarks by meaning using transformer embeddings, running privately in the browser with no LLM API calls.