Post
Jeremiah Lowin
jlowin.dev
did:plc:p3qjmlvg74omu2fv5ctylzkm
The new architecture lets us ship a massive number of features:
🎁 Custom providers like filesystems and remote APIs
✨ Per-component authorization
🏷️ Component versioning
🧠 And even skills over MCP...!
Read the comprehensive feature guide here: https://www.jlowin.dev/blog/fastmcp-3-whats-new
2026-01-20T19:08:07.097Z