https://simon.mersich.net Writing by Simon Mersich https://simon.mersich.net/blog/hush-encrypted-secrets https://simon.mersich.net/blog/hush-encrypted-secrets Every tool for sharing secrets asks you to give something up: an account, a server, a runtime, or a per-seat bill. So I built hush. Fri, 31 Jul 2026 00:00:00 GMT https://simon.mersich.net/blog/rebuilding-my-site https://simon.mersich.net/blog/rebuilding-my-site From a Next.js template with a design system to a handful of hand-written files. Sat, 18 Jul 2026 00:00:00 GMT https://simon.mersich.net/blog/c3po-2-chat-interface https://simon.mersich.net/blog/c3po-2-chat-interface From a Claude Code hack to a proper agent in the backend, with a chat interface for the robot. Thu, 25 Jun 2026 00:00:00 GMT https://simon.mersich.net/blog/c3po-1-isaac-sim https://simon.mersich.net/blog/c3po-1-isaac-sim Introducing C3PO — giving Claude a body. First stop: an MCP server and a simulated Unitree G1. Sat, 16 May 2026 00:00:00 GMT