name: grammarly-reference-architecture description: 'Implement Grammarly reference architecture with best-practice project layout.

Use when designing new Grammarly integrations, reviewing project structure,

or establishing architecture standards for Grammarly applications.

Trigger with phrases like "grammarly architecture", "grammarly best practices",

"grammarly project structure", "how to organize grammarly", "grammarly layout".

' allowed-tools: Read, Grep version: 1.0.0 license: MIT author: Jeremy Longshore jeremy@intentsolutions.io tags:

• saas
• grammarly
• writing compatibility: Designed for Claude Code

Grammarly Reference Architecture

Architecture

┌────────────────────────────────────┐
│         Your Application            │
├────────────────────────────────────┤
│    Content Quality Service          │
│  (Score, AI Detect, Plagiarism)     │
├────────────────────────────────────┤
│    Grammarly API Client             │
│  (Auth, Retry, Cache, Chunking)     │
├────────────────────────────────────┤
│    Grammarly APIs                   │
│  api.grammarly.com                  │
└────────────────────────────────────┘

Project Structure

grammarly-integration/
├── src/grammarly/
│   ├── client.ts        # API client with token management
│   ├── scoring.ts       # Writing Score API
│   ├── detection.ts     # AI + Plagiarism detection
│   ├── chunking.ts      # Large document splitting
│   └── types.ts         # TypeScript interfaces
├── src/services/
│   ├── quality-gate.ts  # Threshold enforcement
│   └── content-audit.ts # Full audit pipeline
├── tests/
└── .env.example

API Decision Matrix

Resources

• Grammarly Developer Portal

Next Steps

Start with grammarly-install-auth.