Productivity
Email to Calendar Event Extractor
Turn dates buried in emails into calendar events with one click
Beginner10h1–2
LLMCalendar APINext.js
17/20#calendar hackathon ideas
9 ideas across 3 categories · 5 beginner · 4 intermediate · 0 advanced. Sorted by judging fit (editorial estimate).
Ideas tagged calendar
Productivity
Weekly Review Generator
Get an automatic weekly review from your calendar, tasks and commits
Beginner8h1–2LLMCalendar APINext.js17/20Productivity
Calendar Time Audit
See where your week actually went by category and who you met
Beginner8h1Calendar APILLMCharts17/20Productivity
Pre-Meeting Brief
Get a one-page brief before each meeting from past emails and notes
Intermediate14h1–2Calendar APIGmail APILLM17/20Productivity
Handwritten Planner to Digital Tasks
Photograph your paper planner page and sync tasks to your digital calendar
Intermediate14h1–2Vision LLMCalendar APINext.js17/20AI Agents
MCP Morning Brief Server
One MCP server that gives your assistant weather, transit and calendar for a daily brief
Beginner8h1–2MCP SDKWeather APICalendar API16/20Productivity
Focus Time Defender
Automatically protect focus blocks on your calendar based on your workload
Intermediate12h1Calendar APINext.jsLLM16/20EdTech
Syllabus to Calendar
Upload a syllabus and get every deadline in your calendar
Beginner8h1MarkItDownLLMCalendar API16/20Productivity
Smart Meeting Scheduler
Finds a meeting time without endless back-and-forth
Intermediate36h2–3Next.jsCalendar APILLM13/20