Top signals · Oct 13, 2026 · Updated Oct 13, 23:04 UTC

simonwillison.net · 2026-10-13 · Ranked: agentic match · practitioner analysis · fresh 1.00 · score 2.52

Redesigning source control at Anthropic

Redesigning source control at Anthropic Interesting piece from Anthropic describing why and how they built their own custom alternative to Git, based on the dramatic increase in rate of changes to their code after the... Context & related coverage →

langchain.com · 2026-10-13 · Ranked: agent + eval match · practitioner analysis · fresh 0.97 · score 2.47

Open Models have crossed a threshold

Open models like GLM-5 and MiniMax M2.7 now match closed frontier models on core agent tasks — file operations, tool use, and instruction following — at a fraction of the cost and latency. Here's what our evals show a... Context & related coverage →

simonwillison.net · 2026-10-13 · Ranked: agentic match · practitioner analysis · fresh 0.91 · score 2.01

Quoting Geoffrey Huntley

If the agent isn't using my diagnostics library, I could introspect and update AGENTS.md, but there's still a delta, and it'll drift. Instead, I write a pre-commit hook that checks the git diff for direct calls to obs... Context & related coverage →

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