London | AI agent infra builder
I build agent-native software — coding agents, personal agents, agent runtime, and frameworks. I dig into how production systems are architected and write about system design and engineering at yuanjiwei.com.
- ACI (4.8k+ stars) — 600+ tool integrations for AI agents
- SigCLI (258+ stars) — give AI agents credentials without secrets
- WeChat Bot (498+ stars) — WeChat bot SDK for AI agents
- Tunelo (425+ stars) — expose localhost via QUIC tunnel
- Zypher Agent (336+ stars) — minimal AI agent framework
- ACI — open-source tool-calling platform with a unified MCP server
- Zypher Agent — minimal framework with full control over tools, providers, and execution
- MCP Gateway — MCP gateway & control plane governing which tools agents can use
- Skilluse — skills registry & CLI for AI coding agents
- SigCLI — auth CLI & proxy: give agents access, not your credentials
- Tunelo — expose localhost via QUIC tunnel
- WeChat Bot — WeChat bot SDK for AI agents
- RunBrowser — CDP browser automation on your real Chrome
- TTS CLI — text-to-speech CLI, powered by Qwen3 TTS
- Feedar — RSS reader for AI agents





