Today’s catch is four tools built for the AI-agent moment that all keep to one rule: the work stays on your own machine. On-device answers about your Mac, local-only data access for your assistant, a live window into every tool call it makes, and secrets pasted straight from hardware without ever touching the wire.
An MCP server that keeps Mac Mail and Calendar access on-device
→ local-mcp.com
A live terminal UI showing every tool call between an AI client and its MCP servers
→ github.com
A hardware BLE dongle that pastes secrets without typing them
→ toothpasteapp.com