Witsy
A desktop AI assistant and universal MCP client that runs MCP servers with almost any LLM.
Sources and review
Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.
Using MCP tools with whichever model provider you prefer, including local models.
You don't want to manage API keys; Witsy uses your own provider keys unless you run models locally.
About Witsy
Witsy is a bring-your-own-keys desktop assistant that works with OpenAI, Anthropic, Google, xAI, Mistral, DeepSeek, OpenRouter, Groq and other providers, or local models through Ollama and LM Studio, and runs MCP servers with any of them. It adds prompt-anywhere shortcuts, AI commands, document chat, transcription and dictation, and an HTTP API.
Witsy is listed in this index written primarily in TypeScript, with 2.0k stars on GitHub. Its latest recorded repository push was in April 2026; that is not an ASE editorial review date.
brew install --cask witsy
