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Read this before deleting your AGENTS.md
The three best ways to keep your AI agent's context healthy as models get better: run /doctor, test your context like code, and ask agents for feedback
Aug 31, 2026 · Jina Yoon · 8 min read
You need to find product-market fit again (sorry)
A case study in disrupting yourself – nine lessons from building PostHog Desktop, our pre-product-market fit bet against our own flagship product
Aug 25, 2026 · Cleo Lant · 7 min read
This post will save you tokens
How to cut LLM and agent token spend without making your product worse: tracking costs, AGENTS.md, MCP audits, prompt caching, and model choice
Aug 18, 2026 · Ian Vanagas · 11 min read
Can software factories actually work?
Software factories let agents ship code with little human review
Aug 11, 2026 · Jina Yoon · 6 min read
What nobody tells you about writing agent skills
Everything we've learned about writing great agent skills at PostHog – progressive disclosure, avoiding over-specification, preventing skill rot, and knowing when not to write one
Aug 3, 2026 · Ian Vanagas · 10 min read
How much can you delegate to agents?
A simple guide to agent autonomy
Jul 27, 2026 · Jina Yoon · 7 min read
2030-shaped software
By 2030, AI agents will be the primary users of software
Jul 20, 2026 · Ian Vanagas · 7 min read
Stop being the code review bottleneck
AI writes code faster than you can review
Jul 9, 2026 · Jina Yoon · 10 min read
We used context engineering to 5x conversion and 2x activation
How PostHog built a context layer for its AI wizard — 5x paid conversion, 2x faster activation, and 80% larger MRR in the first paying month
Jun 24, 2026 · Edwin Lim · 9 min read
Why we're bullish on loops
We're bullish on loops
Jun 17, 2026 · Ian Vanagas · 5 min read
24 tips for giving S-tier demos
An engineer's guide on how to demo well
May 28, 2026 · Jina Yoon · 6 min read
The stuff nobody tells you about startup marketing
Everything about startup marketing that actually matters — from matching channels to your sales motion to why attribution is a lie, and when to make your first marketing hire
May 6, 2026 · Charles Cook · 10 min read
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