opencode-llama-cpp

OpenCode plugin for enhanced llama.cpp support with auto-detection and dynamic model discovery.

Features

• Auto-detection: Automatically detects llama.cpp server running on common ports (1234, 8080, 11434)
• Dynamic Model Discovery: Queries llama.cpp's /v1/models endpoint to discover available models
• Smart Model Formatting: Automatically formats model names for better readability (e.g., "Qwen3 30B A3B" instead of "qwen/qwen3-30b-a3b")
• Organization Owner Extraction: Extracts and sets organizationOwner field from model IDs
• Health Check Monitoring: Verifies llama.cpp server is accessible before attempting operations
• Automatic Configuration: Auto-creates llama.cpp provider if detected but not configured
• Model Merging: Intelligently merges discovered models with existing configuration
• Comprehensive Caching: Reduces API calls with intelligent caching system
• Error Handling: Smart error categorization with auto-fix suggestions

Installation

pnpm add opencode-llama-cpp@latest

Usage

Add the plugin to your opencode.json:

{
  "$schema": "https://opencode.ai/config.json",
  "plugin": [
    "opencode-plugin-llama.cpp@latest"
  ],
  "provider": {
    "llama.cpp": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "llama.cpp (local)",
      "options": {
        "baseURL": "http://127.0.0.1:1234/v1"
      }
    }
  }
}

Auto-detection

If you don't configure the llama.cpp provider, the plugin will automatically detect llama.cpp server if it's running on one of the common ports and create the provider configuration for you.

Manual Configuration

You can also manually configure the provider with specific models:

{
  "$schema": "https://opencode.ai/config.json",
  "plugin": [
    "opencode-plugin-llama.cpp@latest"
  ],
  "provider": {
    "llama.cpp": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "llama.cpp (local)",
      "options": {
        "baseURL": "http://127.0.0.1:1234/v1"
      },
      "models": {
        "google/gemma-3n-e4b": {
          "name": "Gemma 3n-e4b (local)"
        }
      }
    }
  }
}

The plugin will automatically discover and add any additional models available in llama.cpp that aren't already configured.

How It Works

1. On OpenCode startup, the plugin's config hook is called
2. If a llama.cpp provider is found, it checks if llama.cpp server is accessible
3. If not configured, it attempts to auto-detect llama.cpp server on common ports
4. If accessible, it queries the /v1/models endpoint
5. Discovered models are merged into your configuration
6. The enhanced configuration is used for the current session

Requirements

• OpenCode with plugin support
• llama.cpp server running locally (default port: 1234)
• llama.cpp server API accessible at http://127.0.0.1:1234/v1

License

MIT

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.