Postfleet MCP server
Give an AI agent its own email address: send, reply, read, and wait for mail.
A96/100grade A
Adoption
Growing
0 stars68 downloads/wk
Reviews
Write oneNobody has reviewed Postfleet yet.
If you have run it, two minutes of your experience saves the next person an afternoon.
Postfleet tools
Tool list not cached yet. `describe` through the gateway fetches it live.
Public scan report
scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it
no findings
- Code scan4 source files scanned25/25
- Live reliabilityremote reachable in 793ms (auth required)20/20
- –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
- Auth qualityOAuth resource metadata advertised on 40115/15
- Maintenancelast push 1 days ago15/15
- Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace7/10
Overall 96/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Install directly
claude mcp add --transport http postfleet https://api.postfleet.ai/api/mcp
Postfleet: common questions
- Is Postfleet MCP server safe?
- Yes, by our scan: it is graded A (96/100). Read the Postfleet safety report
- How do I install Postfleet?
- It runs remotely at api.postfleet.ai. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Postfleet need an API key?
- No key to paste: it signs you in with OAuth when your client connects.
- Is Postfleet maintained?
- The last commit was in the last day (2026-09-19). The latest release is v0.1.4.
- Is Postfleet up?
- 100% of our last 5 checks got an answer. We check remote servers about four times a day.
- What can I use instead of Postfleet?
- Servers from other publishers that do the same job: Agent Email MCP server, MCP server and Lettio MCP server. Compare all Postfleet alternatives.
Alternatives to Postfleet
Same job from other publishers: the closest match first, then the best rated.
- Agent EmailLocal email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCPnot reviewedGrowingA
- MCPUnlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.not reviewedGrowingB
Lettio MCPPrivate, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.not reviewedGrowingA- Best TempmailDisposable email inboxes for AI agents: create, wait for mail, extract verification codesnot reviewedGrowingB
Mails.ai — Agent EmailA real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.not reviewedNewC
