https://atjhsu.dev/ Notes on building software with AI — what works, what doesn't, and the systems around the work. en-us https://atjhsu.dev/blog/gossiper-slack-private-layer https://atjhsu.dev/blog/gossiper-slack-private-layer Fri, 10 Apr 2026 04:00:00 GMT How I built Gossiper, a Slack app that uses ephemeral messages to privately gossip about public channel conversations. https://atjhsu.dev/blog/dodaily-ai-personal-knowledge-base https://atjhsu.dev/blog/dodaily-ai-personal-knowledge-base Wed, 18 Mar 2026 04:00:00 GMT How I built DoDaily, an AI-powered journaling app that turns daily writing into a searchable personal knowledge base. https://atjhsu.dev/blog/clawcon-nyc-recap https://atjhsu.dev/blog/clawcon-nyc-recap Fri, 06 Mar 2026 05:00:00 GMT Notes from ClawCon NYC, a packed night of OpenClaw demos, business use cases, and agent builders. https://atjhsu.dev/blog/ai-tinkerers-nyc-hackathon-recap https://atjhsu.dev/blog/ai-tinkerers-nyc-hackathon-recap Sun, 22 Feb 2026 05:00:00 GMT A short recap of my experience at the AI Tinkerers NYC hackathon with Claude. https://atjhsu.dev/blog/rlm-ai-rlm-agent https://atjhsu.dev/blog/rlm-ai-rlm-agent Sun, 22 Feb 2026 05:00:00 GMT A practical introduction to recursive language models and how ai-rlm uses the AI SDK to build an Agent.