Claude experiment (#34577)

Release Notes:

- N/A

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>
Co-authored-by: Nathan Sobo <nathan@zed.dev>
Co-authored-by: Oleksiy Syvokon <oleksiy.syvokon@gmail.com>

crates/zed/Cargo.toml

@@ -95,6 +95,7 @@ svg_preview.workspace = true
 menu.workspace = true
 migrator.workspace = true
 mimalloc = { version = "0.1", optional = true }
+nc.workspace = true
 nix = { workspace = true, features = ["pthread", "signal"] }
 node_runtime.workspace = true
 notifications.workspace = true

crates/zed/src/main.rs

@@ -175,6 +175,17 @@ pub fn main() {
         return;
     }
 
+    // `zed --nc` Makes zed operate in nc/netcat mode for use with MCP
+    if let Some(socket) = &args.nc {
+        match nc::main(socket) {
+            Ok(()) => return,
+            Err(err) => {
+                eprintln!("Error: {}", err);
+                process::exit(1);
+            }
+        }
+    }
+
     // `zed --printenv` Outputs environment variables as JSON to stdout
     if args.printenv {
         util::shell_env::print_env();
@@ -1168,6 +1179,11 @@ struct Args {
     #[arg(long, hide = true)]
     askpass: Option<String>,
 
+    /// Used for the MCP Server, to remove the need for netcat as a dependency,
+    /// by having Zed act like netcat communicating over a Unix socket.
+    #[arg(long, hide = true)]
+    nc: Option<String>,
+
     /// Run zed in the foreground, only used on Windows, to match the behavior on macOS.
     #[arg(long)]
     #[cfg(target_os = "windows")]