vikingowl 9545a4b3ad feat(phase10): complete MCP-only architecture migration
This commit completes Phase 10 of the MCP migration by removing all
direct provider usage from CLI/TUI and enforcing MCP-first architecture.

## Changes

### Core Architecture
- **main.rs**: Replaced OllamaProvider with RemoteMcpClient
  - Uses MCP server configuration from config.toml if available
  - Falls back to auto-discovery of MCP LLM server binary
- **agent_main.rs**: Unified provider and MCP client to single RemoteMcpClient
  - Simplifies initialization with Arc::clone pattern
  - All LLM communication now goes through MCP protocol

### Dependencies
- **Cargo.toml**: Removed owlen-ollama dependency from owlen-cli
  - CLI no longer knows about Ollama implementation details
  - Clean separation: only MCP servers use provider crates internally

### Tests
- **agent_tests.rs**: Updated all tests to use RemoteMcpClient
  - Replaced OllamaProvider::new() with RemoteMcpClient::new()
  - Updated test documentation to reflect MCP requirements
  - All tests compile and run successfully

### Examples
- **Removed**: custom_provider.rs, basic_chat.rs (deprecated)
- **Added**: mcp_chat.rs - demonstrates recommended MCP-based usage
  - Shows how to use RemoteMcpClient for LLM interactions
  - Includes model listing and chat request examples

### Cleanup
- Removed outdated TODO about MCP integration (now complete)
- Updated comments to reflect current MCP architecture

## Architecture

```
CLI/TUI → RemoteMcpClient (impl Provider)
          ↓ MCP Protocol (STDIO/HTTP/WS)
          MCP LLM Server → OllamaProvider → Ollama
```

## Benefits
-  Clean separation of concerns
-  CLI is protocol-agnostic (only knows MCP)
-  Easier to add new LLM backends (just implement MCP server)
-  All tests passing
-  Full workspace builds successfully

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-10-10 22:29:20 +02:00

OWLEN

Terminal-native assistant for running local language models with a comfortable TUI.

Status Version Rust License

What Is OWLEN?

OWLEN is a Rust-powered, terminal-first interface for interacting with local large language models. It provides a responsive chat workflow that runs against Ollama with a focus on developer productivity, vim-style navigation, and seamless session management—all without leaving your terminal.

Alpha Status

This project is currently in alpha and under active development. Core features are functional, but expect occasional bugs and breaking changes. Feedback, bug reports, and contributions are very welcome!

Screenshots

OWLEN TUI Layout

The OWLEN interface features a clean, multi-panel layout with vim-inspired navigation. See more screenshots in the images/ directory.

Features

  • Vim-style Navigation: Normal, editing, visual, and command modes.
  • Streaming Responses: Real-time token streaming from Ollama.
  • Advanced Text Editing: Multi-line input, history, and clipboard support.
  • Session Management: Save, load, and manage conversations.
  • Theming System: 10 built-in themes and support for custom themes.
  • Modular Architecture: Extensible provider system (currently Ollama).

Getting Started

Prerequisites

  • Rust 1.75+ and Cargo.
  • A running Ollama instance.
  • A terminal that supports 256 colors.

Installation

Linux & macOS

The recommended way to install on Linux and macOS is to clone the repository and install using cargo.

git clone https://github.com/Owlibou/owlen.git
cd owlen
cargo install --path crates/owlen-cli

Note for macOS: While this method works, official binary releases for macOS are planned for the future.

Windows

The Windows build has not been thoroughly tested yet. Installation is possible via the same cargo install method, but it is considered experimental at this time.

Running OWLEN

Make sure Ollama is running, then launch the application:

owlen

If you built from source without installing, you can run it with:

./target/release/owlen

Using the TUI

OWLEN uses a modal, vim-inspired interface. Press ? in Normal mode to view the help screen with all keybindings.

  • Normal Mode: Navigate with h/j/k/l, w/b, gg/G.
  • Editing Mode: Enter with i or a. Send messages with Enter.
  • Command Mode: Enter with :. Access commands like :quit, :save, :theme.

Documentation

For more detailed information, please refer to the following documents:

Configuration

OWLEN stores its configuration in ~/.config/owlen/config.toml. This file is created on the first run and can be customized. You can also add custom themes in ~/.config/owlen/themes/.

See the themes/README.md for more details on theming.

Roadmap

We are actively working on enhancing the code client, adding more providers (OpenAI, Anthropic), and improving the overall user experience. See the Roadmap section in the old README for more details.

Contributing

Contributions are highly welcome! Please see our Contributing Guide for details on how to get started, including our code style, commit conventions, and pull request process.

License

This project is licensed under the GNU Affero General Public License v3.0. See the LICENSE file for details.

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