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Sickle icon

Sickle

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Native Mac mail client for Gmail, Outlook, iCloud, Fastmail and any IMAP, with an MCP server so Claude, Cursor or Codex can search, read and tidy every mailbox.

Sickle on macOS: every account in one inbox

Cost / License

  • Subscription
  • Proprietary

Application type

Platforms

  • Mac  Requires macOS 27 or later
Sickle as a connector in Claude Desktop
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Sickle information

  • Developed by

    GB flagSickle

  • Licensing

    Proprietary and Commercial product.

  • Pricing

    Subscription that costs from $9 per month.

  • Alternatives

    6 alternatives listed

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  • Supported Languages

    • English
Sickle was added to AlternativeTo by patskovn on and this page was last updated .

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What is Sickle?

Sickle is a native macOS mail client for every account you own: Gmail and Outlook over OAuth, iCloud, Fastmail, Yahoo and any IMAP server. No cap on accounts, a colour per mailbox, an email cleaner for one-time codes and subscription junk, and keyboard/Vim navigation. It also runs a remote MCP server, so Claude, Cursor, Codex or OpenClaw can search, read, move, archive, draft and send across all of them, with separate read, change and send permissions you can revoke. One subscription, 30 days free.