Latest release v1.0.0 — Feb 2026 Open Source Drop · 13 Feb 2026
24 files for Claude Code, GitHub Copilot, Codex and OpenCode: customer_newsletter, editorial-analyst, skill-builder, upgrade-advisor and 20 more — 1,219 tokens loaded in every session.
.github/copilot-instructions.md A 168 tok AGENTS.md A 1,051 tok .github/skills/building-skill/SKILL.md A 92 tok .github/skills/content-consolidation/SKILL.md A 77 tok .github/skills/content-curation/SKILL.md A 85 tok .github/skills/content-retrieval/SKILL.md A 75 tok .github/skills/curator-notes/SKILL.md A 96 tok .github/skills/deprecation-consolidation/SKILL.md A 107 tok .github/skills/editorial-review/SKILL.md A 63 tok .github/skills/events-extraction/SKILL.md A 71 tok .github/skills/kb-maintenance/SKILL.md A 69 tok .github/skills/newsletter-assembly/SKILL.md A 69 tok .github/skills/newsletter-polishing/SKILL.md A 76 tok .github/skills/newsletter-validation/SKILL.md A 57 tok .github/skills/reviewing-code-locally/SKILL.md A 80 tok .github/skills/scope-contract/SKILL.md A 77 tok .github/skills/session-log-manager/SKILL.md A 94 tok .github/skills/testing-prompt-changes/SKILL.md A 60 tok .github/skills/url-manifest/SKILL.md A 73 tok .github/skills/video-matching/SKILL.md A 77 tok .github/agents/customer_newsletter.agent.md A 30 tok .github/agents/editorial-analyst.agent.md A 32 tok .github/agents/skill-builder.agent.md A 29 tok .github/agents/upgrade-advisor.agent.md A 29 tok These files are briancl2/CustomerNewsletter's own configuration — they tell Claude Code, GitHub Copilot, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.