Writing
- How to write instructions for AI agents: what's tested and what's vibesDo AGENTS.md, CLAUDE.md and system prompts actually help? We read the studies, benchmarks and lab guides on length, specificity, emphasis, structure and conflicts, and labelled every rule by its evidence: tested, lab guidance, vendor eval or vibes.2026-10-09
- How to write an agent skill that actually gets used: what the evidence saysSkills can lift an agent's pass rate by double digits, or never fire at all. A meta-study of the official guides, the papers and the best-tested public skills, with every recommendation graded by how strong its evidence is.2026-10-02
