
- TLDR Dev
- Opinions & Advice
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38 Things We've Learned About Building AI Products
PostHog's lessons from ten AI products emphasize useful jobs, reliable execution, rich context, and interfaces that let agents do everything users can. Its MCP server has five times as many daily users as PostHog AI, while the install wizard compresses roughly two hours of setup into eight minutes. The advice favors shared infrastructure, observable tool calls, small targeted evals, and UI for reviewing and undoing agent actions.




