SendX's best practices for message performance, email sending deliverability and compliance.
Latest release v1.2.0 — v1.2.0 — Email Copywriting: 10 Patterns from 1,200+ Campaigns · 20 Jul 2026
2 files for Codex, OpenCode and Claude Code: email-skills AGENTS.md, email-skills CLAUDE.md — 930 tokens loaded in every session.
AGENTS.md A 375 tok CLAUDE.md A 555 tok These files are sendx/email-skills's own configuration — they tell Codex, OpenCode and Claude Code 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.