Weekstart Brief · Issue 9

Get your agent stack set straight before the week starts.

Weekstart is a weekly Monday brief for people who run AI agents in production. It covers the changes that break your agents or change their costs, with what to do about each one.

This week, in short:

A code host will briefly fail a common pull-request workflow trigger on public repos later today — and block it for good next month unless you allow it.
One AI vendor's "fast" mode on a still-used model returns an error at month-end. Agents that still pass that flag stop cold.
Two older Gemini model IDs keep answering until Dec 1, then silently route to newer models with different shapes and prices.
Long agent chats can now leave most of the history on the server so each turn sends only what's new.
A major API now lets you refuse requests from any IP that isn't on your list — useful for a leaked key, risky if you set it wrong.

Get the full Issue 9 Members: read Issue 9 Read free Issue 1

This is the free teaser. Operator ($10/mo) gets the full brief and Monday checklist. Operator + Agents ($20/mo) adds the JSON pack for your agents. Issue 1 stays free.

From Issue 2 on, the public version is a teaser only. The full brief is for members.