Cindy

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Cindy is an open-source AI agent that works out of the box. She brings multiple harnesses, models and tools into one agent that finishes real work in your projects and apps. Ready from day one, yours to shape over time.

Cindy runs locally on your own machine, using your real files and logged-in apps. The first supported harnesses are Claude Code and Codex — more are being added, and a native harness is in the works. Models and harnesses mix freely and can switch mid-task while your workspace, memory, skills and tools stay continuous; one task can even be planned, executed in parallel, and reviewed by agents on different harness × model combos. She can drive your browser, computer and phone, and take work from IM and schedules.

This repository is the open-source client for Cindy — the desktop and mobile apps plus their shared packages, organized as a pnpm monorepo.

The client is free to use, and its source code is open under Apache-2.0. Bring models your way: sign in to the official Cindy service (usage deducted transparently), authorize the Claude Code / Codex Coding Plan you already pay for and keep using it inside Cindy — no duplicate bill — connect your own API keys, or use local models. See cindy.app for service details, pricing, and downloads.

Linux users: see the Ubuntu, Arch Linux and Omarchy installation guide for installation, updates, keyring setup and migration from a manual install.

Yours to shape

Open source means more than visible — it means changeable:

• Memory — correct her once and she does it right from then on, shared across harnesses.
• Skills — teach a way of working once and reuse it everywhere; handing them to your team is in the making.
• Automation — recurring work schedules itself, runs itself, reports back.
• MCP — wire your internal tools and business systems into her reach.
• Plugins — reshape features, UI and interactions, shared through an open marketplace (in the making).
• Source — audit, fork, extend, and contribute improvements back under Apache-2.0.

Ready out of the box, never boxed in — start with CONTRIBUTING.en.md and build Cindy with us.

What's in this repo

Path	Description
apps/desktop	Electron desktop client
apps/mobile	Expo / React Native mobile client
packages/*	Shared client capabilities (auth, device-link, agent orchestration, model providers, …)
apps/*-bin	Tool binaries shipped with the desktop app; none are committed — claude-code, codex, and ripgrep are downloaded per platform by pnpm install, and the Android platform-tools binaries are fetched (pinned version, sha256-verified) before Windows packaging

Not in this repo: the backend service lives in a separate repository and is not part of this monorepo.

Mode	Account requirement	Availability
Hosted service	Cindy cloud account	Use Cindy's full hosted service. See pricing.
Skip Sign-In	No Cindy sign-in required	Choose “Skip Sign-In” on the login screen to use local agents; the app then shows the account state as “Not signed in”. Server-backed capabilities are unavailable in this state.

Prerequisites