Show HN: Chunk – time-block your day from the macOS menu bar

Open Chunk from your menu bar Click the tray icon or hit ⌘+/ from anywhere — even over fullscreen apps. Chunk slides in, ready when you are. The zero-bloat time block planner for macOS, built for focus not friction. Sync your calendars, set fullscreen alerts, and take control of your day. Requires macOS 12 Monterey or later. 7 days free trial, no credit card required. Connect Chunk with the apps you use daily to keep your focus in line with your schedule. Sync your Apple Calendar events with Chunk. Connect your Google Calendar for a unified view. Integrate Outlook to keep work and life in sync. Import tasks from Apple Reminders into your day. Chunk ships a local MCP (Model Context Protocol) server. Connect it to Claude Desktop in one click and plan your day in natural language — with your data never leaving your Mac. Reply… Claude is AI and can make mistakes. Please double-check responses. Capabilities The MCP server is a local process. Chunk reads and writes directly to your on-device database. Nothing is sent to any server beyond what Claude itself processes during your prompt. Settings → AI Integrations registers the MCP server with Claude Desktop. Disconnect anytime. How it works Chunk lives one keystroke away, ready to plan your day and keep you on track without ever stealing the screen. Click the tray icon or hit ⌘+/ from anywhere — even over fullscreen apps. Chunk slides in, ready when you are. Drag on the timeline to create blocks, drop tasks straight from your list, or apply a saved routine to fill the day in seconds. Chunk · Notification Chunk Starting Deep work A live countdown lives in your tray and notifications fire as each block starts and ends. Move through the day without breaking focus. Take a peek Featured on these platforms FAQ Have any questions? We're here to help. Chunk is a menu-bar time-blocking app for macOS. Plan your day as colour-coded blocks, watch a live countdown in your system tray, and get notified as each block starts and ends - all from a panel that slides down from the top-right of your screen. Yes - you can try Chunk free for 7 days, no credit card required. After the trial, Chunk is a one-time purchase for lifetime access. Yes. Chunk offers full two-way sync with Google Calendar, Outlook, and Apple Calendar. Drag to move or resize external events straight from Chunk and the change syncs back to the source calendar. A lock toggle lets you freeze external events as read-only whenever you'd rather avoid accidental edits. Yes. The Chunk panel floats above every other window - including fullscreen apps - so you never have to break your flow to check your schedule. The tray countdown stays visible too. Yes. Build reusable day Templates and turn any of them into a Routine that auto-applies on the weekdays you choose. Your recurring structure is ready every morning with no manual setup. Yes. Chunk ships with an optional local MCP integration that lets Claude read your schedule and create, move, or delete events, tasks, and templates on your behalf. The MCP server runs entirely on your Mac - your schedule never leaves your device. Yes. Your Apple Reminders lists appear inside Chunk's task sidebar alongside your Chunk lists, so you can drag Reminders items straight onto the timeline to schedule them. Chunk is a native macOS app for both Apple Silicon and Intel Macs. There is no Windows, Linux, or mobile version. All your schedule data lives locally on your Mac. There is no cloud sync and no server dependency - your plan stays private to your device.