Building Molty: A Telegram Assistant with Memory and Scheduled Checks

ChatGPT worked fine for one-off questions, but it was isolated from the systems I actually use: calendar, email, Strava, GitHub, Obsidian, Spotify, and the half-finished project notes scattered across repos. I wanted a small assistant I could run myself, with persistent memory, scheduled checks, and enough tool access to be useful without turning into a full product. So I built Molty. Architecture Molty runs on OpenClaw — an open agent platform that handles the gateway infrastructure: Telegram integration, LLM API routing, and session management. It runs on a Hostinger VPS. I didn’t build any of that. What I built is everything layered on top: the memory system, integrations, heartbeat logic, and skills. ...

April 8, 2026 · 6 min · Derek Welty

Building a Concert Discovery Tool with Spotify and Venue Scrapers

I kept missing shows I would have gone to. The data was public, but checking it required a weird amount of manual attention: venue calendars, Spotify history, ticket prices, neighborhoods, and a final “would I actually leave the apartment for this?” filter. I built a weekly concert digest into Molty, my Telegram-based assistant. Every Monday morning it checks SF venues, matches artists against my Spotify library, and sends a ranked list of shows. ...

March 29, 2026 · 5 min · Derek Welty