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Top 5 · 2026-02-23 · source-backed
Four independent sources published within 72 hours (The Register's Agile anniversary workshop, Latent Space's Anita framework, Simon Willison's Red/Green TDD guide, and builder.io's practical tutorial) all converging on the same conclusion: test-driven development dramatically improves AI agent results because it prevents the failure mode where agents write tests that validate their own broken implementations. Willison's advice is the simplest: append "Use red/green TDD" to your agent prompts. Three words, immediate quality improvement. The Register | Latent Space
Each link below shares sources, entities, or timing with this story.
Martin Fowler's 25-year Agile anniversary workshop concluded TDD "produces dramatically better results from AI coding agents" because it prevents agents from writing tests that validate their own broken implementations. The Tweag Agentic Coding Handbook now documents TDD-as-sp...
Satya Nadella said companies routing everything through a single proprietary lab may not survive. His argument: you hand that lab your most sensitive business context, and the lab can turn it against you as a competitor. His prescription is an orchestration layer — keep the ha...
Chris Lattner's CCC Review — The definitive expert assessment of AI coding capabilities. Required reading. Source: Modular Blog Boris Cherny on Lenny's Podcast — Internal Anthropic metrics, the "constraints + unlimited tokens" formula, and why "software engineer" as a title go...
— "The defining characteristic of a coding agent is that it can execute the code it writes." Never assume LLM-generated code works without verification. Patterns for python -c edge case testing, /tmp demo files, browser automation with Playwright/Rodney. Red/green TDD: when ag...
Anthropic shipped cross-session messaging for Claude Code on August 7, macOS and Linux, version 2.1.224 or higher. Two new tools: ListAgents discovers other active sessions on your machine, SendMessage delivers text to one by name. Messages between sessions on the same machine...
Willison shipped datasette-agent-edit 0.1a0 on June 7, letting agents perform structured data edits inside Datasette, alongside micropython-wasm sandbox work for running untrusted agent code. Separately his evolving Agentic Engineering Patterns guide reframes the work around t...
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