Field notes on AI-native SaaS.
How to ship MCP servers, embed in-product AI assistants, and monetize AI usage — written by the team building the platform.
- In-product AI
How do I prevent an AI agent from taking actions on the wrong account?
Four controls that make wrong-account actions impossible rather than unlikely: identity known by construction, an identity cache keyed on the credential subject, approvals that replay frozen arguments, and a 403 classified as a wrong-id signal.
Sep 25, 2026 · 7 min - Comparison & discovery
The best AI assistant widget to embed in a SaaS product
An honest shortlist: kapa.ai for enterprise docs Q&A, Chatbase for multi-channel website chat, Fin for ticket resolution, Command+K for an assistant that acts as the signed-in user. Plus the identity question and the pricing shapes that decide it.
Sep 24, 2026 · 7 min - In-product AI
Agents vs assistants vs copilots: pick the right shape
The three terms point at different autonomy levels. Picking the wrong one over-promises to users and under-builds the product. Here's the clean breakdown.
Jul 3, 2026 · 4 min - In-product AI
In-product AI vs the chatbot: why action wins
Chatbots answer; in-product AI acts. Here's why action-capable assistants are pulling ahead in 2026, what they require under the hood, and how to ship one safely.
Jun 24, 2026 · 5 min