Agent Zero
Agent Zero · Open-Source Autonomous Agent Framework
Agent Zero is an open-source agentic framework for building autonomous AI assistants that run on your own machine, create and use their own tools, and self-correct through transparent workflows. Best for developers and tinkerers who want a self-hosted agent they can shape for a specific problem and connect to any model.
Best for
Developers and tinkerers who want a transparent, self-hosted agentic framework they can extend and connect to any model
Not ideal for
Non-technical users, or anyone who wants a managed, zero-setup hosted assistant
Who it's for
Developers and tinkerers building custom autonomous agents they self-host and connect to their own model
Capabilities
- Autonomous agent that plans, creates and uses its own tools, and self-corrects
- Transparent, inspectable workflow execution rather than a black box
- Built-in Linux desktop and browser (with DOM annotation) the agent can operate
- Live document cowork on docs, spreadsheets, and slides
- A0 CLI bridge to work in local repositories on your machine
- Multi-agent delegation to subagents, plus MCP support
- Self-hosted in Docker via the A0 Launcher app (macOS, Linux, Windows), terminal installers, or docker run
- Model-agnostic: 16+ providers including OpenAI, Anthropic, Gemini, DeepSeek, xAI, Ollama, Azure, Groq, Mistral, and Hugging Face
- Plugin Hub with 100+ community plugins
- Context engineering with RAG, memory, and knowledge management
Limitations
- Self-hosted setup and a connected model API key are required — not a zero-setup product
- Autonomous tool use and terminal access need human oversight to stay safe
- Bring-your-own-model: capability and cost depend on the provider you connect
- A general framework — it needs configuration to do any specific job well
Use cases
- Building a custom autonomous assistant for research or data analysis
- Automating multi-step software or scripting tasks with self-created tools
- Running a private, self-hosted agent on local models via Ollama
- Extending an agent with custom plugins for a specific workflow
- Experimenting with transparent agentic workflows you can inspect step by step
Agent Zero pricing
Open Source
Free
- Free and open source
- Self-host in Docker via the A0 Launcher, installers, or docker run
- Bring your own model API key, or run local models
Free tier limits: Free to download and self-host; you pay only for the model API you connect (or $0 with local models).
Note: Agent Zero is free and open source (MIT), bring-your-own-model, with no paid tier. The project is funded through GitHub Sponsors and a community governance token (A0T on Base); A0T holders get free private AI API access via Venice AI.
Integrations & fit
Alternatives to consider
Microsoft
Existing AutoGen users maintaining projects, and developers experimenting with conversational multi-agent patterns or building iterative workflows (code generation + review, research + verification) where the solution emerges from agent dialogue rather than a predefined execution graph
FreeCrewAI
Orchestrating autonomous agent teams for enterprise tasks
Freemium
OpenClaw Foundation
Technical users who want a private, self-hosted AI assistant they fully control, running through their own messaging apps and model of choice
FreeAbout Agent Zero
Agent Zero is general-purpose by design: you give it a goal and it plans, creates tools, uses the terminal, and iterates, exposing each step as an inspectable workflow rather than a black box. Version 2 gives the agent a full Linux computer: a Dockerized desktop and a browser with DOM annotation that it can operate, live document cowork on docs, spreadsheets, and slides, per-project isolation, multi-agent delegation to subagents, MCP support, Time Travel snapshots, and the A0 CLI bridge for working in repositories on your own machine. It is self-hosted in Docker — via the A0 Launcher desktop app (macOS, Linux, Windows), terminal installers, or a direct docker run — and model-agnostic, with 16+ providers including OpenAI, Anthropic, Gemini, DeepSeek, xAI, Ollama, Azure, Groq, Mistral, and Hugging Face. It extends through a Plugin Hub with 100+ community plugins plus RAG, memory, and knowledge management, so builders can tailor it to research, data analysis, software tasks, or security work. It suits people who want to construct and control a custom agent, not those who want a closed, zero-setup hosted assistant.
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