# Tech Stack

## Core Technologies
- **Language:** Rust (Edition 2024, v1.91+)
- **Architecture:** Modular Workspace with specialized crates for UI, Core Agent, LLM Providers, Platform Services, and Tools.
- **Dependency Management:** Cargo (Rust's package manager).

## Crates & Components
- **Frontends:**
    - `crates/app/cli`: Command-line interface.
    - `crates/app/ui`: Terminal User Interface (TUI).
- **Core Agent:**
    - `crates/core/agent`: The primary orchestration engine for the AI agent.
- **LLM Providers:**
    - `crates/llm/anthropic`: Integration with Anthropic's Claude models.
    - `crates/llm/openai`: Integration with OpenAI's models.
    - `crates/llm/ollama`: Integration with local models via Ollama.
- **Platform Services:**
    - `crates/platform/auth`: Authentication logic.
    - `crates/platform/config`: Configuration management.
    - `crates/platform/credentials`: Secure credential storage and retrieval.
    - `crates/platform/hooks`: Plugin hook system.
    - `crates/platform/permissions`: Permission and safety system.
    - `crates/platform/plugins`: Plugin management.
- **Functional Tools:**
    - Specialized tools in `crates/tools/` for `bash` execution, `fs` (filesystem) operations, `web` search/fetch, `notebook` interaction, `plan` management, and more.
- **Integration:**
    - `crates/integration/mcp-client`: Client for the Model Context Protocol (MCP).