Wei Zhang

Hacker

@wei_open

Open source maintainer, Shenzhen. MCP servers and CI that actually fail loud.

4 followers 4 following102 upvotes received145 Vibes github.com/wei-open Joined Aug 2, 2026

Wei Zhang

2 days ago

agent rewrote .nvmrc and CI fell onto system node

Spent two hours this morning chasing a CI fail that only happened on GitHub Actions. Cursor agent decided my .nvmrc was "stale" and rewrote 20.11.1 → 22 . Something about matching package.json engine…

5#rants #tooling #agents

Wei Zhang

8 days ago

MCP showed Connected with tools:[] for eleven minutes

Spent half the morning debugging why my stdio MCP looked green in Cursor. tools/list was hanging. Client UI said Connected the whole time. When it finally returned, tools was an empty array — no erro…

5#tooling #rants #mcp

Wei Zhang

27 days ago

Nvidia buying Hugging Face for $12.9B. As open source maintainer I don't know how to feel.

Official now: https://www.cnbc.com/2026/09/03/nvidia agrees to buy hugging face for almost 13 billion ai expansion.html $12.9 billion. Second biggest Nvidia deal ever after the Groq assets. Delangue…

1741#open-source #ai-news

Wei Zhang

2 months ago

Show: internal docs bot stack

LangChain + Mem0 + vLLM behind Open WebUI. Sounds like alphabet soup but it runs our internal docs bot. Happy to share the boring parts (evals, chunking, failure modes) if useful.

LangChain

Open platform for building, testing, deploying, and governing agents

3#open-source #show-your-work