Mike (MikeOSS) is an open-source legal AI platform for document review, drafting, and legal research.

It combines a Next.js frontend, an Express backend, Supabase Auth/Postgres, and Cloudflare R2-compatible object storage.

Website: mikeoss.com

Features

• Chat with legal documents and open matters
• Review documents and apply suggested edits
• Run reusable assistant and tabular-review workflows
• Organize projects, folders, and a document library
• Verify citations and research US case law with CourtListener
• Work from Microsoft Word with the beta task-pane add-in
• Run supported language models locally through Ollama

Quick start

The included Docker Compose stack runs Mike, Supabase, RustFS object storage, and local email capture without requiring managed infrastructure.

1. Copy the local environment templates:

   cp .env.example .env
   cp backend/.env.example backend/.env
   

2. In backend/.env, set DOWNLOAD_SIGNING_SECRET and USER_API_KEYS_ENCRYPTION_SECRET to separate values generated with:

   openssl rand -hex 32
   

3. Add an Anthropic, Gemini, or OpenAI API key to backend/.env, unless you plan to use Ollama exclusively.

4. Start the stack:

   docker compose up --build
   

5. Open http://localhost:3000 and create an account.

The bundled credentials and infrastructure are intended for local development only. See Local development for service endpoints, authentication behavior, Ollama setup, and first-run guidance.

Repository

Path	Purpose
frontend/	Next.js web application
backend/	Express API, document processing, and database access
word-addin/	Microsoft Word task-pane add-in (beta)
backend/schema.sql	Complete schema for fresh databases
backend/migrations/	Dated migrations for existing deployments
docker-compose.yml	Local application and infrastructure stack
docs/	Development, deployment, testing, and feature guides

Documentation

• Documentation index
• Local development
• Manual and production deployment
• Troubleshooting
• CourtListener integration
• Microsoft Word add-in
• Tamper-evident exports
• Safe local testing
• End-to-end testing and CI
• Contributing
• Security policy

System workflows

Mike's system assistant and tabular-review workflows are maintained in the Open-Legal-Products/mike-workflows repository. See Contributing for how they are packaged and synchronized with this application.

License

Mike is available under the GNU Affero General Public License v3.0.