MCP.Market

PO6 Mailbox MCP server

online · 100% uptime
by po6.com·com.po6/mailbox·v1.0.0
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Give AI agents secure access to your email via private aliases with dedicated mailbox storage.

B77/100grade B
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Safety scan
B77/100

full report

Adoption
New

Little public usage data yet

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If you have run it, two minutes of your experience saves the next person an afternoon.

PO6 Mailbox tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 348ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How PO6 Mailbox compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 50% of 916 Email servers
Uptime
100%
of our recent checks; the typical remote Email server answers 100%
Response time
220 ms
faster than 63% of 609 Email servers

Install PO6 Mailbox in Claude Code, Cursor or VS Code

claude mcp add --transport http mailbox https://mcp.po6.com
Add to Cursor

PO6 Mailbox: common questions

Is PO6 Mailbox MCP server safe?
Mostly: it is graded B (77/100). Read the PO6 Mailbox safety report
How do I install PO6 Mailbox?
It runs remotely at mcp.po6.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does PO6 Mailbox need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is PO6 Mailbox maintained?
The latest release is v1.0.0.
Is PO6 Mailbox up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of PO6 Mailbox?
Servers from other publishers that do the same job: Outlook Assistant MCP server, MCPEmails MCP server and ReplyLayer MCP server.
How does PO6 Mailbox compare with other Email MCP servers?
safety score 77/100 (higher than 50% of 916 Email servers); uptime 100% (of our recent checks; the typical remote Email server answers 100%); response time 220 ms (faster than 63% of 609 Email servers). Full comparison.

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