I’m Leonardo Cardoso. I’ve moved my work and writing to a7t.ai. This site stays as an archive of older posts.
Senior software engineer at Trade Republic, based in Berlin. A decade across Apple platforms, now deep into local-first AI and autonomous agents.
→ Current work: a7t.ai → Older posts below.
Recent Posts
- Why I Built Kinderuntersuchungsheft April 21, 2026 The yellow booklet, on the phone I always have with me.
- Why I Built FareHawk April 15, 2026 The tracker I built because email alerts don't work.
- Almost Sherlocked by Anthropic April 9, 2026 On April 8, a solo developer and a frontier AI lab independently shipped solutions to the same problem: autonomous agent...
- The Three-Body Agent: Orchestrating Agents with GitHub Actions and Claude Code April 8, 2026 I moved my entire autonomous agent pipeline from OpenClaw to GitHub Actions and Claude Code CLI. Anthropic's subscription restriction was...
- How I Built an Agent Factory That Ships Code While I Sleep April 1, 2026 182 PRs merged, 206 issues closed, 10 days. Three autonomous agents that implement, fix, and merge code while you sleep....
- IGNIO Launch: A Personal Finance Assistant on Telegram March 31, 2026 IGNIO is a personal finance assistant that runs entirely on Telegram. No app to download. Track expenses, recurring transactions, reminders,...
- Poirot Updates: Multi-Agent Visibility, Sessions Navigation, MCP Wizard, Menu Bar Companion March 30, 2026 Poirot shipped four features this week, all built by autonomous coding agents: multi-agent visibility, sessions navigation with a 3-column layout,...
- Poirot File History: Track Every Change Across Your AI Session March 23, 2026 The data was always there. It just needed a window. Every file change Claude Code makes is recorded in the...