Overview
The most widely-used writing assistant, now an AI communication platform with generative rewriting, tone adjustment, and AI content detection. Integrates across browsers, apps, and enterprise workflows with brand-specific style guides and real-time knowledge base features.
Key Features
- ✓Universal browser/app integration
- ✓GrammarlyGO generative AI drafting and rewriting
- ✓AI content detection and plagiarism checking
- ✓Enterprise brand tone and style guide enforcement
- ✓Admin APIs on Enterprise and Education plans
Works with AI agents
No official MCPThere's no official Grammarly MCP. The only API is for Enterprise and Education admins: writing scores, analytics and licenses, plus AI and plagiarism detection in beta. One community server (grammarly-mcp, 10 GitHub stars) drives Grammarly through a browser instead of an API. Vendor docs →
What a content marketer uses it for: On an Enterprise plan, score each finished draft through the Writing Score API before it reaches an editor.
Checked against the vendor's docs on 2026-10-13.
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