
The newsletter that swaps stale buzzwords for actionable insights. Our research-backed articles, expert commentary, and bold experiments with LLMs serve one purpose: to spark inventive thinking. By Adaline(.ai).
| Platform | Pricing | Only free issues | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 84 | Founded | a year ago | Last Issue | 4 days ago |
| Active | |||||

TLDR. The chatbox became the default AI interface because it was the cheapest to ship and the right thing to ship at the time. It works when the user does not yet know what they want. It fails when the user knows exactly what they want, and...
TLDR: Written for AI PMs and engineers shipping agents to production. The dominant response to prompt injection, such as stricter system instructions, input filters, instruction hierarchy training, etc., is built on a category error. The ac...
TLDR: Production AI agents do not get better on their own. The ones that improve are running a closed loop. Observability feeds evaluation, evaluation feeds verified improvement, and improvement feeds back into the running system. Skipping...
TLDR: MCP made it easy to connect your agent to dozens of systems. What it did not change is how your model performs when it has to reason across all of them at once. A May 2026 benchmark showed performance drops of up to 85% as tool count...
TLDR: AI agent tool calling fails for predictable and fixable reasons. The standard debugging instinct — fix the system prompt — targets the wrong layer entirely. The model’s selection decision is based on the description text, not the syst...
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The writers behind this newsletter.
The single platform for teams to iterate, evaluate, deploy, and monitor prompts.
I research and write stuff on Adaline.ai
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