# Grammarly by Cotlet Muse connector

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

## Grammarly by Cotlet

Check and improve your writing with grammar, clarity and plagiarism suggestions.

- Record: https://musedirectory.ai/connector/grammarly-by-cotlet
- Category: Productivity
- Developer: Cotlet (https://cotlet.dev/integrations/grammarly-api-mcp-server)
- 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, 220ms, checked 2026-11-09T12:26:20Z
- Endpoint: https://cotlet.dev/mcp/v1/grammarly/connect
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-11-09T12:26:20Z)
- Source: Found in the official MCP Registry (dev.cotlet/grammarly) https://registry.modelcontextprotocol.io/v0/servers?search=dev.cotlet%2Fgrammarly

Connects Muse to a Grammarly account through Cotlet so it can review documents, pull grammar and style suggestions, run AI-assisted rewrites and check for plagiarism. Useful for polishing emails, reports and school or work writing before you send them.

Example request: "Check this email draft for grammar and tone before I send it to my landlord."

How to connect: Grammarly by Cotlet is not in Muse's Connectors list yet, and it needs you to sign in with your Grammarly by Cotlet 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 (cotlet.dev 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 (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)