cindy
Consider it done. The open-source AI agent that works out of the box · 想到，就能做到。开源、开箱即用的 AI Agent。
Cindy is an open-source AI agent desktop and mobile application that executes real-world tasks on your local machine using your files and logged-in applications. It integrates multiple agent harnesses including Claude Code and Codex, allowing them to work together while maintaining continuous workspace, memory, and skills across model switches. The agent can control browsers, computers, and mobile devices, learn from corrections through persistent memory, and be extended with custom skills, MCP tools, and automation workflows.
Key Features
Use Cases
- 01Automating recurring development tasks with scheduled execution and reporting
- 02Teaching the agent team-specific workflows through custom skills for consistent execution
- 03Orchestrating complex tasks across multiple AI models and harnesses in parallel
- 04Connecting proprietary business tools and APIs through MCP for agent access
- 05Running AI assistance entirely locally without cloud dependencies using skip-sign-in mode
- 06Leveraging existing Claude Code or Codex subscriptions within a unified agent interface
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cindy — FAQ
What is Cindy?+
Cindy is an open-source AI agent application that runs on your desktop or mobile device, executing real work using your local files and applications. It integrates multiple agent harnesses like Claude Code and Codex into a single agent with persistent memory and skills.
How do I install Cindy?+
Download the desktop or mobile app from cindy.app/download, or build from source by cloning the GitHub repository, running git lfs pull, then pnpm install. Development requires Node.js 22.x, pnpm 10.x, and Git LFS.
Which AI models and harnesses does Cindy support?+
Cindy currently supports Claude Code and Codex harnesses with a native harness in development. You can use the official Cindy service, authorize your existing Claude Code or Codex Coding Plan subscription, connect custom API keys, or run local models.
Is Cindy free to use?+
The client application source code is free and open-source under Apache-2.0. For models, you can use skip-sign-in mode with local agents, bring your own API keys, or use the official Cindy hosted service which has usage-based pricing detailed at cindy.app.
Do I need a Cindy cloud account?+
No, you can choose 'Skip Sign-In' on the login screen to use local agents without any cloud account. Server-backed capabilities like cloud sync and hosted models are unavailable in this mode, but local agent execution works independently.
Can I extend Cindy with custom tools and workflows?+
Yes, Cindy supports custom skills (teachable workflows), MCP integration for connecting internal tools, automation scheduling, persistent memory corrections, and a plugin marketplace in development. The Apache-2.0 license also allows forking and extending the source code.
How do I install cindy?+
Open the source repository on GitHub and follow its README. cindy is a agent — MCP Agents Market links you directly to the official repo.
Is cindy free?+
cindy is an open-source project hosted on GitHub. Check the repository for its license and any usage requirements.