Transactional and bulk email delivery via Resend API with single or batch endpoints.
Automate repetitive workflows and reduce manual effort
Example: Generate reports, summarize documents, draft communications
Save 3-5 hours per week on routine tasks
Learn new skills, understand complex topics, get expert guidance
Example: Explain concepts, provide examples, suggest learning resources
Accelerate learning and skill development by 2x
Enhance output quality through reviews, suggestions, and refinements
Example: Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
Time estimate: 15-45 minutes depending on use case complexity
Prerequisites
Submit your Claude Code skill and start earning
epx add resend/resend-skills --skill send-emailCompatible with
Supported agents
Choose single endpoint for individual emails with attachments or scheduling; use batch endpoint for 2–100 distinct emails in one request to reduce API calls
Implement idempotency keys ( <event-type>/<entity-id> format) to prevent duplicate sends on retries, with 24-hour expiration
Retry only 429 (rate limit) and 500 (server error) responses using exponential backoff; fix 400/422 validation
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionsend-emailExecute the skills CLI command in your project's root directory to begin installation:
epx add resend/resend-skills --skill send-emailFetches send-email from resend/resend-skills and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
.cursor/skills/send-email
Restart Cursor to activate send-email. Access via /send-emailin your agent's command palette.
Learn more:View source on GitHubSkills CLI docsAbout CursorWhat are agent skills?
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
qq-email
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We added send-email from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
send-email fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
Keeps context tight: send-email is the kind of skill you can hand to a new teammate without a long onboarding doc.
Registry listing for send-email matched our evaluation — installs cleanly and behaves as described in the markdown.
Registry listing for send-email matched our evaluation — installs cleanly and behaves as described in the markdown.
send-email is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
send-email reduced setup friction for our internal harness; good balance of opinion and flexibility.
send-email reduced setup friction for our internal harness; good balance of opinion and flexibility.
I recommend send-email for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
Solid pick for teams standardizing on skills: send-email is focused, and the summary matches what you get after install.
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