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Fluxmail MCP server

by fluxmailai·io.github.fluxmailai/fluxmail·v0.13.0·7 stars
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Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.

B82/100grade B
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Safety scan
B82/100

full report

Adoption
Growing

7 stars635 downloads/wk

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

Fluxmail tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.10 · 2026-10-09 · same rubric, same numbers if you re-run it

no findings
  • Code scan111 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner7/10
Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install Fluxmail in Claude Code, Cursor or VS Code

Runs npx -y fluxmail on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add fluxmail -- npx -y fluxmail
Add to Cursor

What the publisher says

From the Fluxmail repository's README, as published. We do not edit it. Read it on GitHub

Fluxmail is self-hosted email infrastructure for agents and apps. It connects to Gmail, Microsoft 365, Outlook.com, and IMAP/SMTP mailboxes. Agents use MCP, apps and backend workflows use the versioned REST API, and operators use the CLI to connect mailboxes, manage access, and run the service.

Features

  • 📬 Connect Gmail, Google Workspace, Microsoft 365, Outlook.com, and IMAP/SMTP mailboxes to one instance.
  • 🤖 Give agents MCP tools to list, search, read, draft, reply, forward, send, schedule, and organize email.
  • 🔌 Use the same mailbox operations from the versioned REST API and CLI.
  • 🧵 Fetch complete messages and threads, work across several mailboxes, and download attachments.
  • 🗂️ Mark mail as read, star or archive it, move it between folders, send it to Trash, and manage Gmail labels or Outlook categories.
  • 🔐 Limit each client to selected mailboxes and actions with permission profiles or custom policies.
  • 👥 Add members and choose which mailboxes each can access on Business and Enterprise plans.
  • 🏠 Run Fluxmail locally or in Docker while keeping its database and encrypted provider credentials on your infrastructure.

Get started

Fluxmail requires Node.js 20.20.x, or Node.js 22.22 or later.

npm install -g fluxmail
fluxmail setup --name "Your name" --email you@example.com

Then follow the quickstart to connect a mailbox and choose how you want to use Fluxmail: MCP, REST API, or CLI.

For a local MCP connection, configure your client to launch fluxmail with arguments ["stdio", "--profile", "read-only"]. The client must run as the same operating-system user and use the same Fluxmail data directory as setup. Stdio uses the local member session; it does not need an API key or a separate HTTP server. Ask the client to call list_accounts to check the connection. A fresh instance returns an empty account list.

See Connect an MCP client for client configuration and HTTP connections. Its Cline section covers MCP settings and Cline CLI setup, also available as llms-install.md in this repository.

Documentation

  • Overview
  • MCP tools
  • Build with REST
  • REST API
  • Permissions
  • Configuration
  • CLI reference
  • Gmail setup
  • Outlook setup
  • IMAP setup
  • Architecture
  • Teams and plans

Plans and license

The Personal plan supports three mailboxes and one member. Paid plans raise those limits for teams that share an instance. See Fluxmail pricing for current details.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Fluxmail: common questions

Is Fluxmail MCP server safe?
Mostly: it is graded B (82/100). Read the Fluxmail safety report
How do I install Fluxmail?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Fluxmail need an API key?
Yes. The registry entry asks for GOOGLE_CLIENT_SECRET, FLUXMAIL_LICENSE_KEY.
Is Fluxmail maintained?
The last commit was 4 days ago (2026-10-09). The latest release is v0.13.0.
What can I use instead of Fluxmail?
Servers from other publishers that do the same job: Inbox Zero MCP server, Email MCP server and Imap MCP server. Compare all Fluxmail alternatives.

Alternatives to Fluxmail

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

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  • Email
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