OpenTeams is a multi-agent AI coding assistant platform that enables users to collaborate with multiple AI coding agents (Claude Code, Codex, Gemini CLI, etc.) in a single shared session. The system provides a local-first desktop application built with Tauri (Rust backend + React/TypeScript frontend), a standalone CLI tool (`openteams-cli`) written in TypeScript with Bun, and a web frontend. The backend is an Axum HTTP server in Rust with SQLite persistence managed via SQLx, supporting chat sessions, workflow orchestration, source control integration, approval systems, and a skill registry. The architecture is modular: a `crates` workspace separates database models, services, executors, deployment, and utilities, while the CLI uses Effect-TS for dependency injection and includes a TUI built with SolidJS. In production, the system orchestrates AI agents through the Agent Client Protocol (ACP) and provider-specific SDKs, managing execution processes, worktrees, and chat message queues. Key data flows include: user input → chat runner → agent execution (with tool calls, file edits, git operations) → event streaming back to frontend/CLI. The platform integrates with GitHub for PR review, issue tracking, and work item management, and supports custom MCP servers and skill plugins. External dependencies include SQLite, Tauri, Bun, various AI provider APIs (Anthropic, OpenAI, Gemini, Copilot), and GitHub CLI for certain operations.