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DotCraft is an open-source, self-hosted, and embeddable project-native AI agent runtime built with C#/.NET.

Why DotCraft?

DotCraft turns projects into extensible environments for AI agents.

• Modern agent capabilities, ready to use: Plan, Subagents, Agent Teams, Automations, Goals, Dreams, Dynamic Workflows, and more are built in.
• Your work travels with the project: Conversations, memory, agents, skills, and plugins move with the project, so you can switch entry points and keep going.
• Lower token costs: DotCraft uses built-in trajectory tracking to maximize prefix cache reuse across sessions and reduce token usage.
• Run it your way: Run DotCraft locally or on your own server, and choose a compatible model provider or use your ChatGPT subscription.
• A complete Agent Harness for .NET: Bring complete agent capabilities into the .NET applications you already build, from desktop tools to services and automation.
• Easy to integrate with existing products: APIs, SDKs, App Binding, and plugins bring DotCraft directly into your applications.

Quick start

DotCraft supports OpenAI, Anthropic model providers, or you can sign in using your ChatGPT subscription.

Desktop

1. Download the latest build from GitHub Releases.
2. Open a real project folder as a workspace.
3. Configuration model providers and preferences.

CLI

macOS / Linux:

curl -fsSL https://www.dotcraft.net/install.sh | bash

Windows PowerShell:

irm https://www.dotcraft.net/install.ps1 | iex

See Getting Started for the complete guide.

Contributing

Start with CONTRIBUTING.md.

Credits

Inspired by nanobot, codex and agent-framework.

Special thanks to:

• HKUDS/nanobot
• openai/codex
• microsoft/agent-framework
• alibaba/OpenSandbox
• modelcontextprotocol/csharp-sdk
• openai/symphony

License

Apache License 2.0