Everything we publish,
in one place.
Guides, a full AI course, hosted tools, a prompts library, and the blog. Free, useful, no fluff.
Guides
Long-form PDFs on AI engineering, security, and product. Delivered by email, free.
Open →CourseAI course
Seven chapters in plain language. Optional dive-deepers into the math, the code, and the research.
Open →UtilitiesFree tools
Hosted AI utilities you can use straight from the browser. Most need no signup.
Open →LibraryPrompts
Prompts we use in real engagements. Copy them, fork them, ship with them.
Open →A taste of each,
before you click
Everything we publish, sampled here: read a bit on this page, then open the full thing.
Guides
See all guides →AI course
Start the course →A free, plain-language course. Seven chapters, read in any order.
Free tools
See all tools →Prompts
See all prompts →- Architecture review: second opinionengineering
Sanity-check an in-progress design doc against unstated risks before commit.
- Threat model an LLM featuresecurity · engineering
Run a 10-minute threat model for any feature that calls an LLM.
- Founder: weekly priority cutfounders · product
Convert a messy backlog into the one thing that moves the needle this week.
Field notes from real engagements
Short essays on AI in business, software engineering in 2026, and what we are learning while shipping our own products.
Streaming findings will appear here.
Paste a URL on the left and hit Audit my site.