Agent skill · marketing growth · merit-systems
Send emails, buy forwarding inboxes, manage custom subdomains, and read messages programmatically via x402. USE FOR: - Sending emails (one-off or from custom addresses) - Buying a forwarding inbox (username@stableemail.dev) - Purchasing custom email subdomains (you@yourname.stableemail.dev) - Reading and managing inbox messages programmatically - Setting up catch-all forwarding for subdomains - Managing authorized signers for shared subdomains TRIGGERS: - "send email", "email this to", "notify by email" - "buy inbox", "forwarding address", "email inbox" - "custom domain", "subdomain", "email subdomain" - "read emails", "check inbox", "list messages" - "email address", "disposable email", "temporary email" ALWAYS use `npx agentcash@latest fetch` for stableemail.dev endpoints. IMPORTANT: Use exact endpoint paths from the Quick Reference table below.
Why this skill is useful
Provides specific API commands and workflows for managing email services that the AI wouldn't generate on its own.
What it needs
Requires npx installed locally. Requires stableemail account access. About 4k tokens when loaded. Last updated 2026-07-14. 16 stars on the source repository.
What this skill does
Email with StableEmail Send emails, manage inboxes, and run custom subdomains via x402 payments at https://stableemail.dev. Setup See rules/getting-started.md for installation and wallet setup. Quick Reference Task Endpoint Price ------ ---------- ------- Send email (shared) https://stableemail.dev/api/send $0.02 Buy subdomain https://stableemail.dev/api/subdomain/buy $5.00 Send from subdomain https://stableemail.dev/api/subdomain/send $0.005 Buy inbox https://stableemail.dev/api/inbox/buy $1.00 Send from inbox https://stableemail.dev/api/inbox/send $0.005 Top up inbox (30d) https://stableemail.dev/api/inbox/topup $1.00 Top up inbox (90d) https://stableemail.dev/api/inbox/topup/quarter $2.50 Top up inbox (365d) https://stableemail.dev/api/inbox/topup/year $8.00 List inbox messages https://stableemail.dev/api/inbox/messages $0.001 Read inbox message https://stableemail.dev/api/inbox/messages/read $0.001 Create subdomain inbox https://stableemail.dev/api/subdomain/inbox/create $0.25 List subdomain messages https://stableemail.dev/api/subdomain/inbox/messages $0.001 Read subdomain message https://stableemail.dev/api/subdomain/inbox/messages/read $0.001 Free Management Endpoints Task Endpoint ------ ---------- Subdomain status GET https://stableemail.dev/api/subdomain/status?subdomain=name Update subdomain POST https://stableemail.dev/api/subdomain/update Manage signers POST https://stableemail.dev/api/subdomain/signers Inbox status GET https://stableemail.dev/api/inbox/status?username=name List your inboxes POST https://stableemail.dev/api/inbox/list Update inbox POST https://stableemail.dev/api/inbox/update Cancel inbox POST https://stableemail.dev/api/inbox/cancel Delete message POST https://stableemail.dev/api/inbox/messages/delete List subdomain inboxes POST https://stableemail.dev/api/subdomain/inbox/list Delete subdomain inbox POST https://stableemail.dev/api/subdomain/inbox/delete Update subdomain inbox POST https://stableemail.dev/api/subdomain/inbox/update Del …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills merit-systems/email--6a5ca2