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2026-06-18 10:54:27 +02:00

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resources/

First-hand reference material for working in this repo. Unlike .agents/memory/system/ (this repo's own operating standards), resources/ holds extracted upstream guidance — what Anthropic and OpenAI themselves publish — kept separate so the source of truth is unambiguous.

skill-authoring/

Official skill-authoring guidance, extracted from 13 first-hand vendor sources and read on 2026-06-12. Every rule links back to its source URL.

File What's in it
anthropic.md Anthropic's rules — Claude Code / Claude API / claude.ai. Frontmatter, naming, descriptions, structure, progressive disclosure, invocation, tool permissions, references/scripts, testing, anti-patterns.
codex.md OpenAI Codex's rules, with the divergences from Anthropic called out.
frontmatter-field-spec.md Field-by-field reference table (base spec + Claude extensions) with the constraints that bite.
checklist.md One pass/fail checklist to run against any SKILL.md before shipping, plus live known-issues.
sources.md Annotated bibliography of the 13 primary sources.
repo-gap-analysis.md How this repo's standards measure against the official guidance, and the gaps to close.

How to use

  • Writing or reviewing a skill: start with checklist.md, reach for frontmatter-field-spec.md on field questions.
  • This repo's own conventions (platform-neutral writing, Contract blocks, validation) live in .agents/memory/system/ and take precedence for repo work; resources/ is the upstream ground truth those conventions are built on.

Maintenance

The skill-authoring docs were generated from a research pass and are dated. The platforms move — fields get added, bugs get fixed. Re-verify the time-sensitive items in checklist.md before relying on them, and re-run the research when the date drifts more than a few months.