Mmcp.market

Mailbox MCP server

by mailbox-mcp.com·com.mailbox-mcp/mailbox-mcp·v1.25.0
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Read, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.

B70/100grade B
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Safety scan
B70/100

full report

Adoption
New

Little public usage data yet

Reviews

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

Mailbox MCP tools

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

Public scan report

scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 523ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenanceno repository listed3/15
  • Maintainer identityverified namespace with website, no repo4/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 70/100. 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 mailbox-mcp https://mcp.mailbox-mcp.com/db/mcp
Add to Cursor

Mailbox MCP: common questions

Is Mailbox MCP server safe?
Mostly: it is graded B (70/100). Read the Mailbox MCP safety report
How do I install Mailbox MCP?
It runs remotely at mcp.mailbox-mcp.com. 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 Mailbox MCP need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Mailbox MCP maintained?
The latest release is v1.25.0.
Is Mailbox MCP up?
100% of our last 1 checks got an answer. We check remote servers about four times a day.
What can I use instead of Mailbox MCP?
Servers from other publishers that do the same job: Local MCP server, Fluxmail MCP server and Ecc MCP server. Compare all Mailbox MCP alternatives.

Alternatives to Mailbox MCP

Same job from other publishers: the closest match first, then the best rated.

All Mailbox MCP alternatives →
  • Local
    Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
    C
  • Fluxmail
    Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
    C
  • Ecc
    Unified MCP server for Email, Calendar & Contacts (Google, M365, Zoho, IMAP/SMTP, DAV).
    B
  • Outlook
    Outlook mail and OneDrive files via Microsoft Graph — read, search, send and organize.
    B
  • Mailtea
    Send email and newsletters with Mailtea over MCP, plus skills for email and website design.
    A
Mailbox MCP vs LocalMailbox MCP vs FluxmailMailbox MCP vs Ecc

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