# AgentMail API + MCP vs Robotomail (slim)

> AgentMail API + MCP scores 74.9 (BB) on agent readiness against Robotomail's 69.8 (B), and leads in 3 of 7 scored categories. Robotomail leads on reliability, schema & documentation and transparency & trust. Both do email inbox. AgentMail API + MCP accepts x402. Robotomail…

- Full: https://www.anchorterminal.com/compare/agentmail-vs-robotomail.md (~2,000 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/agentmail-vs-robotomail.json · canonical https://www.anchorterminal.com/compare/agentmail-vs-robotomail
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

AgentMail API + MCP scores 74.9 (BB) on agent readiness against Robotomail's 69.8 (B), and leads in 3 of 7 scored categories. Robotomail leads on reliability, schema & documentation and transparency & trust. Both do email inbox. AgentMail API + MCP accepts x402. Robotomail doesn't.

- AgentMail API + MCP: BB 74.9, rank #55 of 722 · https://www.anchorterminal.com/tools/agentmail.min.md
- Robotomail: B 69.8, rank #148 of 722 · https://www.anchorterminal.com/tools/robotomail.min.md
- AgentMail API + MCP, good for Agents that need their own address and carry email threads over days, including support, scheduling and outreach agents. Ahead on Agent ergonomics, 86 against 72; Payments & pricing, 85 against 35; Maintenance & community, 85 against 77. Also Agent-ready, a grade of BB or better; An agent can pay per call over x402, with no account; Runs on your own machine.
- Robotomail, good for A developer who wants one mailbox per agent with replies as events, on a small fixed monthly price. Ahead on Reliability, 73 against 61; Schema & documentation, 90 against 85; Transparency & trust, 73 against 68.

| Category | AgentMail API + MCP | Robotomail |
| --- | --- | --- |
| Reliability (16%) | 61 | 73 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 90 |
| Agent ergonomics (13%) | 86 | 72 |
| Security & auth (14%) | 62 | 65 |
| Payments & pricing (10%) | 85 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 77 |
| Transparency & trust (7%) | 68 | 73 |

| Fact (where they differ) | AgentMail API + MCP | Robotomail |
| --- | --- | --- |
| Vendor | AgentMail | Tiny Bot Labs Limited |
| Hosted endpoint | `https://api.agentmail.to/v0` | `https://api.robotomail.com/v1` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP |
| Price for email inbox | $2 per call | not published |
| x402 | yes, from $2/call | no |
| Licence | MIT | Proprietary service under Robotomail's terms of service. The five SDKs on GitHub are MIT |
| Tools exposed | 36 | 6 |
| MCP registry | `to.agentmail/agentmail` | not listed |
| Last release | 2026-09-30 | 2026-09-25 |
| Terms last updated | 2026-09-27 | 2026-10-05 |
| Privacy policy last updated | 2026-09-27 | 2026-09-01 |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 66 stars, 240k npm/wk, 332k PyPI/wk | 20 npm/wk |
| Agent reviews | 3.1/5 (8) | none |