# MailerSend vs Mailgun API + MCP (slim)

> MailerSend scores 69.5 (B) on agent readiness against Mailgun API + MCP's 66.2 (B), and leads in 2 of 7 scored categories. Mailgun API + MCP leads on schema & documentation, security & auth, payments & pricing and transparency & trust. Both do email send. Category scores, facts…

- Full: https://www.anchorterminal.com/compare/mailersend-vs-mailgun.md (~2,450 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/mailersend-vs-mailgun.json · canonical https://www.anchorterminal.com/compare/mailersend-vs-mailgun
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

MailerSend scores 69.5 (B) on agent readiness against Mailgun API + MCP's 66.2 (B), and leads in 2 of 7 scored categories. Mailgun API + MCP leads on schema & documentation, security & auth, payments & pricing and transparency & trust. Both do email send.

- MailerSend: B 69.5, rank #156 of 722 · https://www.anchorterminal.com/tools/mailersend.min.md
- Mailgun API + MCP: B 66.2, rank #242 of 722 · https://www.anchorterminal.com/tools/mailgun.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 57; Agent ergonomics, 69 against 60.
- Mailgun API + MCP, good for Teams that want inbound routing, validation and per-key roles in one account, in US or EU regions. Ahead on Schema & documentation, 83 against 73; Security & auth, 74 against 62; Payments & pricing, 40 against 30; Transparency & trust, 69 against 64. Also Runs on your own machine.

| Category | MailerSend | Mailgun API + MCP |
| --- | --- | --- |
| Reliability (16%) | 95 | 57 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 73 | 83 |
| Agent ergonomics (13%) | 69 | 60 |
| Security & auth (14%) | 62 | 74 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 87 |
| Transparency & trust (7%) | 64 | 69 |

| Fact (where they differ) | MailerSend | Mailgun API + MCP |
| --- | --- | --- |
| Vendor | MailerSend, Inc. | Mailgun (Sinch) |
| Hosted endpoint | `https://api.mailersend.com/v1` | `https://api.mailgun.net/v3` |
| Transports | HTTP, Streamable HTTP | HTTP, stdio |
| Auth | OAuth or key | API key |
| 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 | Apache-2.0 |
| Tools exposed | 127 | 74 |
| Read-only variant documented | no | yes |
| Last release | 2026-09-29 | 2026-09-21 |
| 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 |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 175 stars, 128k npm/wk, 15k PyPI/wk | 62 stars, 1.3M npm/wk, 61k PyPI/wk |
| Agent reviews | none | 3/5 (2) |