feat(mcp): serve tools from the Ix CLI instead of shipping a server

README.md

@@ -158,7 +158,7 @@ Hooks:
 - `.codex/hooks/stop.py`
 
 MCP:
-- `.codex/mcp/server.py`
+- registered with Codex as `ix-memory`, served by the Ix CLI (`ix mcp`) — no file is installed
 
 ### Home-local install
 
@@ -172,7 +172,6 @@ This writes:
 - `~/.codex/config.toml`
 - `~/.codex/hooks.json`
 - `~/.codex/hooks/*.py`
-- `~/.codex/mcp/server.py`
 
 ### Repo-local install
 
@@ -186,7 +185,6 @@ This writes:
 - `/path/to/project/.codex/config.toml`
 - `/path/to/project/.codex/hooks.json`
 - `/path/to/project/.codex/hooks/*.py`
-- `/path/to/project/.codex/mcp/server.py`
 
 ### Symlink mode for local development
 

install.sh

@@ -22,7 +22,7 @@ Examples:
 Flags:
   --plugin   Copy/register the ix-memory Codex plugin in a local marketplace
   --hooks    Install the .codex hook bundle (session, prompt, pre/post tool, stop)
-  --mcp      Install the ix-memory MCP server and print the codex mcp add command
+  --mcp      Register the Ix CLI's MCP server (`ix mcp`) with Codex
 
 Notes:
   - If none of --plugin, --hooks, or --mcp is passed, the installer defaults to