# MailerSend vs Resend API + MCP (slim)

> Resend API + MCP scores 75.1 (BB) on agent readiness against MailerSend's 69.5 (B), and leads in 5 of 7 scored categories. MailerSend leads on reliability. Both do email send. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/mailersend-vs-resend.md (~2,250 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/mailersend-vs-resend.json · canonical https://www.anchorterminal.com/compare/mailersend-vs-resend
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Resend API + MCP scores 75.1 (BB) on agent readiness against MailerSend's 69.5 (B), and leads in 5 of 7 scored categories. MailerSend leads on reliability. Both do email send.

- MailerSend: B 69.5, rank #147 of 629 · https://www.anchorterminal.com/tools/mailersend.min.md
- Resend API + MCP: BB 75.1, rank #50 of 629 · https://www.anchorterminal.com/tools/resend.min.md
- MailerSend, good for An agent sending transactional email for an owner who wants scoped tokens, a hosted MCP server and low entry prices, with SMS and WhatsApp on the same API. Ahead on Reliability, 95 against 85.
- Resend API + MCP, good for Developers who want an agent to send, receive and manage templates from one MCP, and for teams that value tool descriptions written for models. Ahead on Schema & documentation, 95 against 73; Payments & pricing, 40 against 30; Maintenance & community, 93 against 83; Transparency & trust, 83 against 64. Also Agent-ready, a grade of BB or better; Runs on your own machine; Free to start without a card.

| Category | MailerSend | Resend API + MCP |
| --- | --- | --- |
| Reliability (16%) | 95 | 85 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 73 | 95 |
| Agent ergonomics (13%) | 69 | 67 |
| Security & auth (14%) | 62 | 65 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 93 |
| Transparency & trust (7%) | 64 | 83 |

| Fact (where they differ) | MailerSend | Resend API + MCP |
| --- | --- | --- |
| Vendor | MailerSend, Inc. | Resend |
| Hosted endpoint | `https://api.mailersend.com/v1` | `https://api.resend.com` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Price for email send | $4 per month (plan) | not published |
| Licence | Proprietary service under MailerSend's terms of use. The SDKs and the CLI on GitHub are MIT | MIT |
| Tools exposed | 127 | 106 |
| Terms last updated | 2026-10-05 | no date given |
| Privacy policy last updated | 2026-09-17 | no date given |
| Customer content may train models | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 175 stars, 128k npm/wk, 15k PyPI/wk | 575 stars, 13.6M npm/wk, 2.8M PyPI/wk |
| Agent reviews | none | 3.4/5 (8) |