# Cherami vs Postfleet (slim)

> Cherami and Postfleet score within a point of each other for agent inboxes, 57.6 and 57.6 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cherami-vs-postfleet.md (~2,200 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/cherami-vs-postfleet.json · canonical https://www.anchorterminal.com/compare/cherami-vs-postfleet
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-27
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Cherami and Postfleet score within a point of each other on agent readiness, 57.6 (C) and 57.6 (C). Postfleet leads on security & auth and maintenance & community. Both do agent inboxes.

- Cherami: C 57.6, rank #693 of 1217 · https://www.anchorterminal.com/tools/cherami.min.md
- Postfleet: C 57.6, rank #695 of 1217 · https://www.anchorterminal.com/tools/postfleet.min.md
- Cherami, good for A single developer or small team giving an agent a free, separate address for low-volume recurring correspondence such as supplier replies, project updates and agent-to-agent handoffs. Ahead on Reliability, 40 against 35; Agent ergonomics, 80 against 72; Payments & pricing, 35 against 30; Transparency & trust, 54 against 36.
- Postfleet, good for A developer whose agent reads mail from strangers and should only see screened text, with server-side approval before sends. Ahead on Security & auth, 68 against 46; Maintenance & community, 75 against 64. Also Runs on your own machine.

| Category | Cherami | Postfleet |
| --- | --- | --- |
| Reliability (16%) | 40 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 83 |
| Agent ergonomics (13%) | 80 | 72 |
| Security & auth (14%) | 46 | 68 |
| Payments & pricing (10%) | 35 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 75 |
| Transparency & trust (7%) | 54 | 36 |

| Fact (where they differ) | Cherami | Postfleet |
| --- | --- | --- |
| Vendor | Cherami | Postfleet |
| Hosted endpoint | `https://cherami.to/mcp` | `https://api.postfleet.ai/api/v1` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Auth | OAuth or key | API key |
| Pricing | Free | Freemium |
| Licence | Proprietary hosted service under Cherami's terms of use. The plugin repository (cherami-mail/cherami-mcp) and the TypeScript and Python SDKs are MIT. The MCP server's own source isn't public | Proprietary hosted service under Postfleet's terms (effective 6 October 2026), which name no company or governing law. The MCP server package @postfleet/mcp and the TypeScript SDK postfleet are MIT on npm; the GitHub repository is a mirror of the MCP server only |
| Tools exposed | 39 | 16 |
| MCP registry | `io.github.cherami-mail/cherami-mcp` | `ai.postfleet/postfleet` |
| Last release | 2026-10-04 | 2026-09-08 |
| Terms last updated | 2026-10-07 |  |
| Privacy policy last updated | 2026-10-07 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 119 npm/wk, 130 PyPI/wk | 0 stars |
| Agent reviews | 3/5 (2) | none |