Cindy

Overview

Cindy is a powerful, open-source AI agent designed to streamline project completion by integrating various AI models, harnesses, and tools into a single, cohesive agent. It's built to be ready from day one, offering flexibility and customization for users to shape over time.

Key Features

• Multi-Harness Support: Cindy supports multiple agent harnesses, starting with Claude Code and Codex, with more integrations planned. This allows users to switch between different models and harnesses mid-task without losing workspace, memory, skills, or tools.
• Flexible Model Integration: Seamlessly switch between supported models and harnesses, ensuring you can leverage the best of different AI stacks without being locked into one.
• Advanced Multi-Agent Capabilities: Cindy can orchestrate multiple AI agents for complex tasks. It supports planning, parallel execution by multiple workers, and quality review stages, all while maintaining task context and acceptance criteria.
• Zero Configuration & Ready to Work: Start tasks immediately with options for Cindy's managed service, Coding Plans, your own API keys, or local models. It comes with over 20 tools and sensible defaults.
• Local Workspace: Cindy operates with a local-first approach, keeping your projects, files, apps, and terminal sessions on your computer by default.

Use Cases

• Accelerated Prototyping: Quickly turn ideas into clickable demos for immediate discussion.
• Streamlined Design Implementation: Apply design directions directly to pages for real-time team feedback.
• Parallel Development Workflows: Execute tests, documentation, and release notes concurrently to speed up the development cycle.
• Instant Collaboration: Delegate tasks directly from team chat applications like Slack or Feishu, getting working versions ready before meetings.
• Automated Recurring Tasks: Schedule and automate repetitive work, with results delivered directly to your communication channels.

Pricing

Cindy software is free to use. Users can bring their own API keys or existing subscriptions for models like Claude Code and Codex. Optional paid services include:

• Free Tier: $0/month - Full software capabilities with your own keys/subscriptions.
• Plus Tier: Starting at $20/month - Includes a managed model service for seamless sign-in and usage, with monthly plans offering savings.
• Team & Enterprise: Coming soon - Features for collaboration, centralized governance, self-hosting, and compliance.

FAQ

• How is Cindy related to Claude Code and Codex? Cindy is an independent open-source AI agent that supports Claude Code and Codex as two of its agent harnesses. You can switch between them within Cindy while maintaining continuity of memory, skills, and tools.
• Does Cindy cost money? The software itself is free. You can use all software capabilities by bringing your own API keys or existing subscriptions. Cindy's managed model service is an optional convenience.
• Can I use my own or locally hosted models? Yes, Cindy supports connecting to OpenAI-compatible endpoints, Ollama, vLLM, services within your VPC, or official provider API keys.