18+ min ago   (742+ words) Coding agents often inherit project context in one of two ways: There is a useful third design: keep an authoritative local record, derive searchable views from it, and compile a small task-specific context pack whose claims point back to exact…...

9+ min ago   (1048+ words) A business does not have one AI job. It has many small decisions with different privacy, latency, cost, quality and risk requirements. That makes model selection a routing problem, not a brand contest. Open-weight models give teams control over execution…...

27+ min ago   (527+ words) My open-source project, safari-mcp, got a security-hardening pull request from an automated scanner. The idea behind the patch was right. The patch itself un-parsed the codebase. Then the same defect infected my review of the patch, my review of the…...

25+ min ago   (1594+ words) Median change to the underlying markup: zero — in every one of six runs, across three samples drawn at different times. That sentence needs about two thousand words of context before it means anything, including the three occasions where I nearly…...

21+ min ago   (141+ words) This is a practitioner's map of that fight: what the KV cache actually costs, the lineage of techniques built to shrink it, and how to choose among them. During generation, a decoder-only transformer caches the key and value vectors of…...

8+ min ago   (798+ words) The compiler translates it. But who actually executes it? The answer is the CPU. Every program you run eventually becomes a sequence of instructions that the CPU executes. You don't need to become a hardware engineer to understand CPU architecture....

18+ min ago   (484+ words) The useful development is that the argument moved from vibes to a reproducible procedure. Public tools now let anyone run the check. This is a refreshed 2026 walkthrough of that procedure — updating the original method write-up with the debate context and…...

33+ min ago   (525+ words) None of this is malice. It's what a very eager, very fast assistant does when nobody has told it what done looks like. And you can't just stand over it and correct every response, there's no point paying for an…...

28+ min ago   (869+ words) Build reliable NestJS webhooks for SaaS payments and integrations using signature verification, idempotency, durable inboxes, queues, retries, and observability. NestJS webhook gateway verifying signatures and processing idempotent events through a durable retry queue Webhooks are untrusted, duplicated, and out of…...

8+ min ago   (1703+ words) Keyword search picks the right tool for an AI agent 21% of the time. The router we built picks it 88% of the time, while cutting the tokens spent describing those tools by 99.6%. This is how we got there, including the parts…...