Yaru Koto Matome-kun — Complete LINE group to-do lists within LINE

This is a LINE bot designed for people whose daily communications are conducted entirely within LINE groups—families, circles, PTAs, small teams, and the like. Small tasks like "taking out the trash" or "collecting fees" tend to get lost in the flow of conversation and are often left unassigned and unclear about who should do them. However, the reality is that dedicated task management apps require everyone to install and adopt them, which rarely sticks.

That's where "Yaru Koto Matome-kun" comes in. Simply invite it to your group, and you can register tasks, assign responsibilities, set deadline reminders, and visualize your task list—all right in your usual LINE chat room. Without having to learn a new app, it's a tool that lets small teams clearly manage their to-do items!

【Technology Stack】
Next.js 16 (App Router) / TypeScript, Vercel Functions (Fluid Compute), React 19 + Tailwind v4 + TanStack Query (LIFF UI), Neon Postgres + Drizzle ORM, @line/bot-sdk・@line/liff, Stripe (subscription billing), Vitest + pglite (testing).