AI Companies

Production-grade Agent Skills for AI coding agents—composable workflows for planning, TDD, debugging, review, UI/UX, releases, incidents, and evals.

Memory layer for AI agents with token-efficient, explainable retrieval beyond vector similarity.

A workbench for language model research

《动手学 Pi》：沿 15 个真实 checkpoint 从零构建 Pi-style Agent

Open-source AI coding agent for the terminal. Claude Code-grade accuracy with smart model routing — uses the right AI model for each task, cutting costs 10x. Supports Claude, GPT, Gemini, DeepSeek & more.

LLM-powered web scraping platform. Build reusable scraping services as step-graph state machines via an AI-guided wizard, expose them through a local HTTP API. Chrome Extension (MV3) + Node.js native messaging host. Data never leaves your machine.

Universal Context Package - an open specification for packaging work context for LLMs

Let your team's Claude Code agents talk to each other, end-to-end: ask what a teammate is building, flag a change before you ship it, or hand off work.