Onyx

Overview

Onyx is an open-source knowledge and context layer that connects to 50+ enterprise applications, indexing and surfacing knowledge while protecting data sovereignty through self-hosted deployments. It provides accurate, fast, and token-efficient context for both humans and AI agents.

Key Features

• Agentic RAG with best-in-class search and answer quality based on a hybrid index and custom agent harness.
• Deep Research for multi-step research flows and in-depth reports.
• Custom Agents with unique knowledge subsets, custom instructions, and the ability to take actions.
• Web Search augmentation with live web search, supporting Serper, Google PSE, Brave, SearXNG, and more.
• External Actions & MCP integration to complete tasks end to end.
• Secure Sandbox for code execution and intermediate artifacts in complex workflows.

Use Cases

• Empower every member with secure access to GenAI and knowledge across the company.
• Ship faster with Generative AI and full context for engineering teams.
• Close more deals with instant access to every conversation and product update for sales.
• Answer questions confidently across your entire product for support teams.

Getting Started

• Deploy with a single command: curl -fsSL https://onyx\.app/install\_onyx\.sh | bash, or try Onyx Cloud for free without deploying.

Deployment & Requirements

• Supports Docker, Kubernetes, Helm/Terraform, and major cloud providers. Two modes: Standard (full feature set with vector index, background workers, AI inference servers, Redis, MinIO) and Lite (lightweight AI Chat UI under 1GB memory, no document indexing).

Before You Adopt

• License: Other. Review its terms before using, modifying, or distributing the project.
• Data sovereignty: Onyx can be run fully air-gapped with no external third parties, ensuring documents and embeddings stay in your infrastructure.
• Model provider flexibility: You can choose trusted embedding and LLM providers, including running them locally, to control external dependencies.
• Permission enforcement: Source permissions are enforced at query time to prevent internal data leaks.