How do I install the Resend skill?

Run npx skillmds add majiayu000/resend-4 in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Resend safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: makes network calls, reads secrets. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Resend?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Resend free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Resend?

majiayu000 (@majiayu000) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Resend by majiayu000 — Agent Skill

Name: Resend
Rating: 4.2 (5 reviews)
Author: majiayu000

Resend

Manage Resend email service via REST API. List sent emails, check domain verification, manage API keys, send test emails, and debug email delivery issues. Use for any email-related administration task.

majiayu000 280b391 2 files · 3.8 KB Updated Sep 9, 2026 567 repo stars

File contents

Resend REST API

Manage FuzzyCat's email delivery via the Resend API.

Authentication

RESEND_API_KEY=$(grep RESEND_API_KEY .env.local | cut -d'"' -f2)
# All curl commands use: -H "Authorization: Bearer $RESEND_API_KEY"

Common Commands

Domains

# List domains
curl -s "https://api.resend.com/domains" \
  -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool

# Add a domain
curl -s -X POST "https://api.resend.com/domains" \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "fuzzycatapp.com"}' | python3 -m json.tool

# Verify a domain (trigger DNS check)
curl -s -X POST "https://api.resend.com/domains/<domain-id>/verify" \
  -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool

# Get domain details (check verification status)
curl -s "https://api.resend.com/domains/<domain-id>" \
  -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool

# Delete a domain
curl -s -X DELETE "https://api.resend.com/domains/<domain-id>" \
  -H "Authorization: Bearer $RESEND_API_KEY"

Emails

# List recent emails
curl -s "https://api.resend.com/emails" \
  -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool

# Get email details
curl -s "https://api.resend.com/emails/<email-id>" \
  -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool

# Send a test email
curl -s -X POST "https://api.resend.com/emails" \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "FuzzyCat <noreply@fuzzycatapp.com>",
    "to": ["test@example.com"],
    "subject": "Test Email",
    "html": "<p>Hello from FuzzyCat!</p>"
  }' | python3 -m json.tool

API Keys

# List API keys
curl -s "https://api.resend.com/api-keys" \
  -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool

# Create an API key
curl -s -X POST "https://api.resend.com/api-keys" \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "my-key"}' | python3 -m json.tool

SMTP (for Supabase Auth integration)

Once fuzzycatapp.com is verified, configure Supabase to send via Resend SMTP:

# SMTP Settings for Supabase
Host: smtp.resend.com
Port: 465 (SSL) or 587 (STARTTLS)
Username: resend
Password: <RESEND_API_KEY>
From: noreply@fuzzycatapp.com
Sender Name: FuzzyCat

FuzzyCat-Specific

From address: FuzzyCat <noreply@fuzzycatapp.com>
Domain: fuzzycatapp.com (needs DNS verification — see domain records)
Templates: React Email components in server/emails/
Key files: server/services/email.ts, lib/resend.ts
Active emails: clinic-welcome, soft-collection-day1/7/14

---name: resend-4description: Manage Resend email service via REST API. List sent emails, check domain verification, manage API keys, send test emails, and debug email delivery issues. Use for any email-related administration task.--- # Resend REST API Manage FuzzyCat's email delivery via the Resend API. ## Authentication ```bash RESEND_API_KEY=$(grep RESEND_API_KEY .env.local | cut -d'"' -f2) # All curl commands use: -H "Authorization: Bearer $RESEND_API_KEY" ``` ## Common Commands ### Domains ```bash # List domains curl -s "https://api.resend.com/domains" \ -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool # Add a domain curl -s -X POST "https://api.resend.com/domains" \ -H "Authorization: Bearer $RESEND_API_KEY" \ -H "Content-Type: application/json" \ -d '{"name": "fuzzycatapp.com"}' | python3 -m json.tool # Verify a domain (trigger DNS check) curl -s -X POST "https://api.resend.com/domains/<domain-id>/verify" \ -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool # Get domain details (check verification status) curl -s "https://api.resend.com/domains/<domain-id>" \ -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool # Delete a domain curl -s -X DELETE "https://api.resend.com/domains/<domain-id>" \ -H "Authorization: Bearer $RESEND_API_KEY" ``` ### Emails ```bash # List recent emails curl -s "https://api.resend.com/emails" \ -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool # Get email details curl -s "https://api.resend.com/emails/<email-id>" \ -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool # Send a test email curl -s -X POST "https://api.resend.com/emails" \ -H "Authorization: Bearer $RESEND_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "from": "FuzzyCat <noreply@fuzzycatapp.com>", "to": ["test@example.com"], "subject": "Test Email", "html": "<p>Hello from FuzzyCat!</p>" }' | python3 -m json.tool ``` ### API Keys ```bash # List API keys curl -s "https://api.resend.com/api-keys" \ -H "Authorization: Bearer $RESEND_API_KEY" | python3 -m json.tool # Create an API key curl -s -X POST "https://api.resend.com/api-keys" \ -H "Authorization: Bearer $RESEND_API_KEY" \ -H "Content-Type: application/json" \ -d '{"name": "my-key"}' | python3 -m json.tool ``` ## SMTP (for Supabase Auth integration) Once `fuzzycatapp.com` is verified, configure Supabase to send via Resend SMTP: ```bash # SMTP Settings for Supabase Host: smtp.resend.com Port: 465 (SSL) or 587 (STARTTLS) Username: resend Password: <RESEND_API_KEY> From: noreply@fuzzycatapp.com Sender Name: FuzzyCat ``` ## FuzzyCat-Specific - **From address**: `FuzzyCat <noreply@fuzzycatapp.com>` - **Domain**: `fuzzycatapp.com` (needs DNS verification — see domain records) - **Templates**: React Email components in `server/emails/` - **Key files**: `server/services/email.ts`, `lib/resend.ts` - **Active emails**: clinic-welcome, soft-collection-day1/7/14

Frequently asked questions