makecindy/cindy

What it solves

Cindy is an open-source AI agent designed to perform real work on a user's local computer, interacting with real files and logged-in applications. It aims to provide an "out of the box" experience where an agent can handle complex tasks across different tools and platforms (browser, computer, phone) without requiring the user to set up complex environments.

How it works

Cindy operates as a client-side application (available for desktop and mobile) that orchestrates multiple "harnesses" (such as Claude Code and Codex) and various AI models. These components can be switched mid-task, while maintaining a continuous workspace, memory, and set of tools. The system supports local models, API keys, or a hosted cloud service. It also integrates with the Model Context Protocol (MCP) to connect to internal tools and business systems.

Who it’s for

Individuals and developers who want a local AI agent capable of executing tasks across their device's apps and files, as well as teams who wish to extend the agent's capabilities through custom skills and plugins.

Highlights

• Multi-Harness Orchestration: Supports multiple agent harnesses (Claude Code, Codex) that can work in parallel or switch mid-task.
• Cros-Device Control: Ability to drive the browser, computer, and phone.
• Continuous Memory: Shared memory and skills across different harnesses to ensure consistency.
• Extensibility: Support for MCP for tool integration and a plugin system for UI and feature modifications.
• Flexible Model Access: Works with local models, personal API keys, or the official Cindy cloud service.