# Sickle Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Sickle

Connect Gmail, Outlook, iCloud, Fastmail and IMAP email to your agent

- Record: https://musedirectory.ai/connector/sickle
- Category: Productivity
- Developer: sickle.app (https://sickle.app/mcp)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 305ms, checked 2026-10-29T10:45:57Z
- Endpoint: https://mcp.sickle.app/
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-10-29T07:01:31Z)
- Source: Found in the official MCP Registry (app.sickle/mail) https://registry.modelcontextprotocol.io/v0/servers?search=app.sickle%2Fmail

Integrates multiple email providers with Muse using OAuth. Lets your agent read messages and send emails with your approval across Gmail, Outlook, iCloud, Fastmail and standard IMAP accounts.

Example request: "Check my Gmail for messages from my boss and draft a reply"

How to connect: Sickle is not in Muse's Connectors list yet, and it needs you to sign in with your Sickle account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Screening checks:
- MCP handshake: pass (Requires sign-in (publishes OAuth metadata))
- Domain against threat feeds (Cloudflare security DNS): pass (mcp.sickle.app, sickle.app not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: n/a (Tools are behind sign-in)
- Inputs asking for passwords, card numbers or seed phrases: n/a (Tools are behind sign-in)
- Domain and redirects: pass (Domain registered 1243 days ago)
- AI review of purpose and tool behavior: pass (No concerns)