Witsy
A desktop AI assistant and universal MCP client that works with any LLM provider, offering chat, image/video generation, and system-wide productivity tools.
What is Witsy?
Witsy is a desktop AI assistant and universal Model Context Protocol (MCP) client that allows users to interact with a wide range of large language models and AI services from a single application. It solves the problem of AI provider fragmentation by offering a unified interface for chat, image/video generation, speech processing, and document analysis while letting users bring their own API keys.
Developers, power users, and professionals who regularly use multiple AI services and want a customizable, privacy-focused desktop assistant with system-wide integration and automation capabilities.
Witsy stands out as one of the first universal MCP clients, offering unparalleled provider flexibility, deep system integration with features like Prompt Anywhere and AI Commands, and a strong focus on user control through its BYOK model and local operation.
Overview
Witsy is a desktop AI assistant that functions as a universal Model Context Protocol (MCP) client, allowing users to connect to virtually any large language model provider. It provides a centralized interface for AI-powered tasks while keeping users in control of their API keys and data.
Key Features
- Universal MCP Client — Connect and use any LLM provider that supports the MCP standard or OpenAI API compatibility.
- Multi-Modal AI — Supports chat, image generation, video creation, text-to-speech, and speech-to-text across numerous providers.
- Prompt Anywhere — Generate content directly in any application using a global keyboard shortcut.
- AI Commands — Apply LLM-powered transformations to selected text in any app via customizable commands.
- Document Chat (RAG) — Chat with local files and documents using retrieval-augmented generation.
- HTTP API & CLI — Programmatic access via a local HTTP server and command-line interface for automation.
- Agent Webhooks — Trigger AI agents via HTTP requests for integration with external systems and workflows.
Philosophy
Witsy embraces a BYOK (Bring Your Own Keys) philosophy, prioritizing user control over API keys and data while providing a unified, extensible interface to the fragmented AI provider ecosystem.
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