What is MikeOSS
MikeOSS is an open-source legal AI platform designed as an alternative to proprietary tools like Harvey and Legora. It provides feature parity at zero license cost and is self-hostable, allowing law firms to own and extend the technology. The platform is built for document review, legal research, and drafting, with a focus on transparency, control, and data privacy.
How to use MikeOSS
- Sign up for the cloud-hosted version or clone the repository from GitHub to self-host.
- Upload documents into matter-scoped projects (e.g., credit agreements, SPAs, leases, diligence packs).
- Interact with the assistant via a chat interface to read documents, get grounded citations, research case law, run multi-step workflows, and draft or edit contracts.
- Use tabular review to extract data across hundreds of documents in parallel, with each cell cited back to a page and quote.
- Save and reuse workflows for tasks like generating CP checklists, credit agreement summaries, and change-of-control reviews.
- Extend the platform by adding practice-specific workflows, integrating with your DMS, or wiring in your own citation engine.
Features of MikeOSS
- Assistant: Chat interface that reads documents, provides grounded citations, researches case law, runs multi-step workflows, and drafts/edits contracts end-to-end.
- Projects: Matter-scoped workspaces that maintain full context across conversations and documents.
- Tabular review: Spreadsheet-style extraction across hundreds of documents in parallel, with verifiable citations to page and quote.
- Workflows: Reusable prompts for tasks like CP checklists, credit agreement summaries, and change-of-control reviews; firm-wide templates.
- Open source: Zero license cost, self-hostable, forkable, and auditable.
- Model flexibility: Choose your own model and pay only for API costs incurred.
- Security: Documents never leave your perimeter; compliance, residency, and privilege stay under your control.
Use Cases of MikeOSS
- Document review: Analyze credit agreements, SPAs, leases, NDAs, and diligence packs.
- Legal research: Research case law and generate legal research memoranda.
- Contract drafting: Draft and edit contracts, including conditions precedent checklists and NDAs.
- Due diligence: Extract and compare key provisions across large document sets.
- Workflow automation: Run firm-wide templates for repetitive legal tasks.
Pricing
MikeOSS is open source and free to use. There is no license cost or per-seat pricing. Users can choose to use the cloud-hosted version or self-host the software. The only costs are for API usage based on the chosen model.
FAQ
Is MikeOSS really free?
Yes, it is open source with zero license cost. You only pay for API costs you incur.
Can I self-host MikeOSS?
Yes, it is self-hostable by design, so documents never leave your perimeter.
Can I extend MikeOSS?
Yes, you can fork it, add practice-specific workflows, integrate your DMS, and wire in your own citation engine.
How does MikeOSS ensure accuracy?
Tabular review provides verifiable citations back to a page and quote, with no hallucinated answers or dead links.
What models does MikeOSS support?
You can choose the model you prefer; the platform supports multiple models including OpenAI and others.