Agent skill · writing content · sundial-org
resend
Manage received (inbound) emails and attachments via Resend API. Use when user asks about their emails, received messages, or email attachments.
Why this skill is useful
Adds specific commands for managing inbound emails via the Resend API that the AI wouldn't reliably generate on its own.
What it needs
Requires @mjrussell/resend-cli installed locally. Requires resend account access. About 1k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
Resend CLI CLI for the Resend email API. Query received (inbound) emails and attachments. Installation Setup 1. Sign up at resend.com 2. Set up inbound email routing for your domain 3. Create API key at API Keys → Create API key (needs read permissions) 4. Set environment variable: export RESENDAPIKEY="reyourkey" Commands List Emails Get Email Details Attachments Domains Usage Examples User: "Do I have any new emails?" User: "Show me the latest email" User: "What attachments are on that email?" User: "What domains do I have set up?" User: "Show me the full content of email X" Notes This CLI only supports received (inbound) emails, not sending Use --json flag and pipe to jq for scripting Email IDs are UUIDs shown in list output
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/resend