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lmcp.lua: if opts.auth_token and opts.conf are both unset, fall back to the LMCP_TOKEN environment variable. Empty string treated as unset. This is the primitive launchd/systemd drop-ins need — no conf file bookkeeping on hosts that don't already use one. scripts/lmcp-install-macos.sh: macOS installer via Homebrew. Drops the Lua library files into $(brew --prefix)/share/lua/5.4/, mints (or reuses) a Bearer token stored at $(brew --prefix)/etc/lmcp/token, installs a ~/Library/LaunchAgents/ plist with LMCP_TOKEN baked in, launchctl-loads it, and smoke-tests. Prints the Claude Code ~/.claude.json snippet at the end. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>