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Hot off the press

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 · Jina Yoon · 8 min read

Everything else

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

Great companies are built in hackathons

You should run more hackathons

Apr 21, 2026 · Ian Vanagas · 9 min read

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