Agent skill · Resend
Email Best Practices skill for Claude Code, Codex and Cursor
Officialname: email-best-practices★ 205 (repo)pushed 2026-10-17MITSKILL.md on GitHubchecked 2026-11-07
What it does, in the publisher's words
Use when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM, GDPR, CASL), handling webhooks, retry logic, making emails accessible (alt text, headings, contrast, screen readers), or deciding transactional vs marketing.
The description field of the SKILL.md. The agent reads only this at startup and decides from it when to load the full skill.
Install Email Best Practices
The skills CLI copies the skill into the folder of each agent you pick (Claude Code, Codex, Cursor, Copilot, Gemini CLI, OpenCode, Windsurf...). Add -g for all projects. Needs Node.js 22.20+. docs
npx skills add resend/resend-skills --skill email-best-practices
This repo is a plugin marketplace. Inside Claude Code, add it and install the plugin that holds the skill (resend), or copy only this skill into ~/.claude/skills. docs
/plugin marketplace add resend/resend-skills /plugin install <plugin>@resend-skills # or only this skill: npx skills add resend/resend-skills --skill email-best-practices -a claude-code
Download the skill folder, zip it, then Customize > Skills > + > Create skill > Upload a skill. Code execution must be on (Settings > Capabilities). docs
git clone --depth 1 https://github.com/resend/resend-skills.git /tmp/email-best-practices-src cp -r /tmp/email-best-practices-src/skills/email-best-practices ./email-best-practices zip -r email-best-practices.zip email-best-practices
Codex reads skills from .agents/skills in the repo or ~/.agents/skills. Type $ in Codex to use one. docs
npx skills add resend/resend-skills --skill email-best-practices -a codex
gh skill (GitHub CLI 2.90+, preview) installs it for Copilot in VS Code, the CLI and the cloud agent. Copilot also reads .github/skills and ~/.copilot/skills. docs
gh skill install resend/resend-skills email-best-practices
Cursor reads .cursor/skills, .agents/skills and ~/.cursor/skills (and .claude/skills). It does not install loose skills from a GitHub URL, so copy it in. docs
npx skills add resend/resend-skills --skill email-best-practices -a cursor
Installs from the GitHub repo; --path picks this skill out of the repo. Default scope is user (all projects). docs
gemini skills install https://github.com/resend/resend-skills.git --path skills/email-best-practices
OpenCode reads .opencode/skills, ~/.config/opencode/skills and the Claude and .agents folders. docs
npx skills add resend/resend-skills --skill email-best-practices -a opencode
Windsurf (now Devin Desktop) reads .devin/skills, .windsurf/skills and ~/.codeium/windsurf/skills. docs
npx skills add resend/resend-skills --skill email-best-practices -a windsurf
Works with
Claude Code, Claude.ai and Claude Desktop, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf and other agents that read the open Agent Skills format.
What's in the SKILL.md
- Architecture Overview
- Quick Reference
- Start Here
Bundled files
- references/accessibility.md
- references/compliance.md
- references/deliverability.md
- references/email-capture.md
- references/email-types.md
- references/list-management.md
- references/marketing-emails.md
- references/sending-reliability.md
- references/transactional-email-catalog.md
- references/transactional-emails.md
- references/webhooks-events.md
Loaded only when the instructions point to them.
Facts
- Skill name
- email-best-practices
- Publisher
- Resend (official)
- Repo
- resend/resend-skills
- License
- MIT
- Version
- 1.0.2
- SKILL.md size
- 235 words, 59 lines
- Bundled files
- 11, 11 docs
- Repo stars
- 205 (as of 2026-10-24)
- SKILL.md checked
- 2026-11-07
Pairs with the Resend MCP server: the server gives the agent the tools, the skill teaches it how to use them.
More skills from resend/resend-skills
- React Email: Builds HTML email templates from React components and renders them for sending.
- Resend: Sends and receives email with the Resend API: batches, templates, domains, webhooks.
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FAQ
What does the email-best-practices skill do?+
Deliverability and compliance help: SPF, DKIM, DMARC, bounces, spam and retry logic. In its own SKILL.md, Resend describes it as: "Use when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM, GDPR, CASL), handling webhooks, retry logic, making emails accessible (alt text, headings, contrast, screen readers), or..."
How do I install the email-best-practices skill?+
Run npx skills add resend/resend-skills --skill email-best-practices and pick your agents, or use the tab for your agent above. In Claude Code the skill ends up in ~/.claude/skills/email-best-practices/SKILL.md; in Codex and Cursor in .agents/skills/email-best-practices/.
Does Email Best Practices work in Codex, Cursor and Copilot, or only Claude?+
It's a standard SKILL.md, so any agent that reads the Agent Skills format can use it: Claude Code, the Claude apps, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf and more.
Who maintains Email Best Practices?+
Resend, the company or project behind it, in the resend/resend-skills repo on GitHub, last pushed 2026-10-17. License: MIT.
Read a skill's SKILL.md and scripts before you install it: skills aren't verified by any agent vendor. Claude skills marketplace · How to install skills · MCP servers