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Substack
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Issues96Founded4 years agoLast Issue7 days ago
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Latest Issues

Jobs every engineer should automate with agents

Some engineering tasks are too repetitive to be worth prompting every time by hand, but too fuzzy for a script.

We've been using Scouts at PostHog to do these instead – scheduled agents with long-term memory that run on a cron trigger.1

H...

7 days ago
47
3

38 things we've learned about building AI products

We’ve built 10 different AI products at PostHog, including PostHog AI, our install Wizard, Replay Vision, Scouts, and more. They’re used by nearly 100,000 people every month. This is what we’ve learned.

  1. AI can make your product worse....
21 days ago
70
6

We're building multiplayer AI. Here's what we've learned so far

When people imagine multiplayer AI, they usually think of products like Claude Tag or PostHog in Slack.

These are fine for simple tasks, like fixing minor bugs and querying data, but most work happens outside Slack across dozens of apps in...

a month ago
41
1

What happens to engineers when AI writes all the code?

We are plausibly coming to a moment where AI will write all the code. This is a reality for many developers already. Over the last 4 months at PostHog, we moved from around 20% of our monorepo PRs being opened by agents to 70%.

This breaks...

2 months ago
62
6

Read this before deleting your AGENTS.md

Context engineering used to focus on adding information that base models lacked:

But then the models kept getting better. Now, the same context your agents couldn’t function without can make them perform worse.

Our AI onboarding wizard, f...

2 months ago
48
1

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Authors

The writers behind this newsletter.

  • Ian Vanagas

    Editorial Lead at posthog.com

  • Charles Cook
  • Cleo Lant

    Product marketer @ PostHog

  • Jina Yoon

    I write stuff for PostHog.

  • Edwin Lim

    Markdown maximalist

  • Natalia Amorim
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