What are the best Claude Code skills for email?
cold-email from coreyhaines31/marketingskills is the highest-scoring Claude Code skill for email, at 88/100 (grade B) on the Suede Skill Check. The table below compares the top 15 of 34 listed email skills from 8 repositories by score, publisher and license, using the October 22, 2026 snapshot of SuedeAI.directory.
- 34 listed email skills
- 9 full pages scoring 80+
- 10 repositories
Compare 15 Claude Code skills for email
Ranked by Suede Skill Check score. Linked names open the directory listing; scores come from the published rubric.
| Skill | Publisher | Suede Skill Check | License | What it does |
|---|---|---|---|---|
| cold-email | coreyhaines31 coreyhaines31/marketingskills | 88/100 · B | MIT | Writes and runs B2B cold outbound, from cold emails and follow-ups to sending setup, LinkedIn, multichannel cadences, and reply handling. |
| emails | coreyhaines31 coreyhaines31/marketingskills | 88/100 · B | MIT | When the user wants to create or optimize an email sequence, drip campaign, automated email flow, or lifecycle email program. Also use when the user… |
| agent-email-inbox | Resend Official resend/resend-skills | 86/100 · B | MIT | Guides building email-triggered systems like AI agent inboxes, using sender allowlists, content filtering, and sandboxed processing to keep untrusted email from controlling the system. |
| converting-email-templates | Mailtrap Official mailtrap/mailtrap-skills | 85/100 · B | MIT | Converts email templates from providers such as SendGrid, Mailgun, Postmark, and Amazon SES into Mailtrap-compatible Handlebars syntax, singly or in bulk. |
| resend | Resend Official resend/resend-skills | 84/100 · B | MIT | Guides work with the Resend email API, including sending transactional emails, inbound webhooks, templates, delivery tracking, domains, contacts, broadcasts, and API keys. |
| react-email | Resend Official resend/resend-skills | 83/100 · B | MIT | Guides building HTML email templates with React components, rendering them to HTML, adding the visual email editor, and sending with Resend. |
| gmail | sanjay3290 sanjay3290/ai-skills | 83/100 · B | Apache-2.0 | Interact with Gmail - search emails, read messages, send emails, create drafts, and manage labels. Use when user asks to: search email, read email… |
| setup-outreach-campaign-smartlead | gooseworks-ai gooseworks-ai/goose-skills | 81/100 · B | MIT | Set up a complete outbound email campaign in Smartlead. Asks the user for campaign goal, audience, messaging, schedule, and mailbox allocation… |
| sending-emails | Mailtrap Official mailtrap/mailtrap-skills | 80/100 · B | MIT | Guides integrating, configuring, and troubleshooting Mailtrap live email sending through its Email API or SMTP when wiring outbound mail from an application. |
| using-email-templates | Mailtrap Official mailtrap/mailtrap-skills | 80/100 · B | MIT | Guides creating and sending Mailtrap-hosted email templates with Handlebars personalization, template UUIDs in API payloads, and debugging variables and previews. |
| amazon-ses | aws Official aws/agent-toolkit-for-aws | 80/100 · B | Apache-2.0 | Guides Amazon SES onboarding for domain-based email sending. Covers identity configuration, production access, an optional first test send, and… |
| cold-email | infrasity-labs infrasity-labs/dev-gtm-claude-skills | 78/100 · C | MIT | Write B2B cold emails and follow-up sequences that get replies. Use when the user wants to write cold outreach emails, prospecting emails, cold… |
| email-drafter | GitHub Official github/awesome-copilot | 77/100 · C | MIT | Draft and review professional emails that match your personal writing style. Analyzes your sent emails for tone, greeting, structure, and sign-off… |
| cold-email-outreach | gooseworks-ai gooseworks-ai/goose-skills | 73/100 · C | MIT | End-to-end cold email outreach orchestration. Handles goal alignment, lead ingestion from any source (CSV, paste, CRM export, database), sequence… |
| email-drafting | gooseworks-ai gooseworks-ai/goose-skills | 73/100 · C | MIT | Write high-converting cold emails using structured frameworks, personalization tiers, and patterns from real campaigns. Pure reasoning skill — no… |
Questions and answers
Which email skill has the highest Suede Skill Check score?
cold-email from coreyhaines31/marketingskills scores 88/100, grade B, the highest of the 34 listed email skills in the October 22, 2026 snapshot. It earns full points for structural checks, recent maintenance and curated-list citations. emails from coreyhaines31/marketingskills follows at 88/100.
How do I install an email skill in Claude Code?
Run npx skills add with the skill folder's GitHub URL from your project, or copy the folder into .claude/skills/ and Claude Code loads it when a request matches its description. For cold-email, run: npx skills add https://github.com/coreyhaines31/marketingskills/tree/main/skills/cold-email. Each full skill page on SuedeAI.directory lists the same steps for Claude Code and Codex.
Are these email skills free?
All 15 email skills on this page are published in public GitHub repositories and cost nothing to download. Every one uses an open-source or open-content license, led by MIT (13) and Apache-2.0 (2), so you can use and adapt the files at no cost under those terms. 5 skills name credentials for an outside service; each full page lists them under Before you install.
Do these email skills work with Codex and Cursor?
Yes. Each of the 15 email skills on this page is a SKILL.md folder in the Agent Skills format, which Claude Code, Codex and Cursor all read. The skills CLI (npx skills add) installs every one of them into Claude Code, Codex, Cursor and other agents, and each full skill page adds a project-level copy into .claude/skills for Claude Code and .agents/skills for Codex.
How does SuedeAI.directory rank email skills?
By Suede Skill Check score from 0 to 99, which adds structure, description quality, instruction depth, bundled files, maintenance and curated-list citations, all read from each skill's published files. A skill joins this page when its name or summary matches the email keyword map; each repository fills at most three rows, so the table compares publishers.
Which email skills come from official publishers?
agent-email-inbox, resend and react-email from Resend, converting-email-templates, sending-emails and using-email-templates from Mailtrap, amazon-ses from aws and email-drafter from GitHub are published by the company behind the tool, marked Official in the table.
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