· 2 min · tooling
MCP went stateless and my infrastructure diagram got boring
The 2026-07-28 spec release candidate kills sticky sessions, adds real auth, and makes remote MCP servers deployable like any other web service. Finally.
i ship llm features for a living. i write down what breaks, what it costs, and what i'd do differently.
· 1 min · tooling
OpenAI is un-shipping fine-tuning, check your calendar
The fine-tuning API winds down in three gates through January 2027, and one of them already closed this month. The dates, the loophole, the exits.
· 3 min · agents
MCP in production, now that it grew up
The July 2026 MCP spec brings a stateless core, tasks and real enterprise auth. What changes for those of us who duct-taped servers together last year.
· 4 min · agents
Design tools for the model you have, not the intern you imagine
Agents do not read your mind, they read your tool descriptions. Most agent failures I debug are tool design failures with extra steps.
· 4 min · agents
Agent memory that isn't a vector database cope
File-based memory, context editing and compaction are now first-class API features. The patterns that survive long sessions, and the one that never did.
· 3 min · architecture
The small model was the right call and everyone knew it
Frontier models for frontier problems. For the other 80 percent of your pipeline, a small model at a fifth of the price is not a compromise, it is engineering.
