An AI agent ecosystem built around yagi

A CLI chat client for multiple LLM providers with a plugin system powered by Yaegi. Tools are written as plain Go source files and loaded at runtime — no recompilation needed.

• Multi-provider support — OpenAI, Gemini, Anthropic, Groq, DeepSeek, and 16+ providers
• Dynamic plugin system — Drop Go files into ~/.config/yagi/tools/ to add tools
• Memory system — Learn and recall information across conversations
• Skills system — Load specialized prompts for different tasks
• Session resumption — Save conversation history per directory and resume with -resume
• Interactive & one-shot modes — Use interactively or pipe commands

go install github.com/yagi-agent/yagi@latest

# Interactive mode
yagi

# One-shot
git diff | yagi "Summarize this diff"

A GitHub Action for AI-powered pull request reviews using yagi. Automatically posts code review comments when a PR is created or updated.

• Supports multiple LLM providers (OpenAI, Anthropic, Gemini, etc.)
• Customizable review prompts
• Optional custom avatar (yagi-chan) via GitHub App setup
• Integrates with yagi-profiles for identity and tool configuration

- uses: yagi-agent/actions-yagi@v1
  env:
    OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}

A Vim / Neovim plugin for AI assistance using yagi.

• Multiple commands: :YagiExplain, :YagiRefactor, :YagiFix, :YagiComment, and more
• Send visual selections as context
• Default key mappings under <Leader>y

Plug 'yagi-agent/vim-yagi'

A Discord bot powered by yagi. Directly imports yagi's engine package as a Go library — no subprocess required.

• Per-user sessions — Conversation history with automatic expiry and persistence
• Per-user memory — Learn and recall information per Discord user
• Mention & prefix triggers — Responds to @yagi mentions or ! prefixed messages
• Multi-provider support — Uses yagi's provider system (OpenAI, Anthropic, Gemini, etc.)

go build -o yagi-discord-bot
DISCORD_BOT_TOKEN="your-token" ./yagi-discord-bot -model openai/gpt-4.1-nano

A shared repository of identities (personas), skills, and tools for yagi. Also referenced by actions-yagi.

MIT

Yasuhiro Matsumoto (a.k.a. mattn)