How to use Zed: the fast, open-source editor with AI

Zed is a code editor written from scratch in Rust for speed, open source, and free. Its AI is what makes it a vibe-coder tool: an agent panel that edits your code, a one-line path to a free local model, and the ability to run Claude, Codex, or Gemini CLI inside the editor over an open protocol. Here is the whole thing, install to agent.