FastMind - AI-Powered Mind Mapping for VS Code

FastMind is a native VS Code mind mapping extension built for developers. Brainstorm, design architectures, take study notes, and plan projects without ever leaving your editor.

Create a Mind Map in One Click

Create a new file with the .fastmind extension (e.g., architecture.fastmind)
It automatically opens in the immersive visual editor
Smooth and intuitive

Powerful AI Features

AI Topic Generator
Select a topic → “AI Generate Topics”
Instantly generates up to 8 (customizable) smart, context-aware subtopics in seconds.
The AI understands the selected topic, its parent, siblings, and your entire map structure.
AI Explainer
Select any topic → “AI Explain Topic”
Get in-depth explanations, real-world applications, examples, and even code snippets.
Fully customizable length and focus.

AI Generator

Supports Almost Every Major LLM

OpenAI (gpt-4, gpt-3.5-turbo, etc.)
Anthropic Claude (all models)
Azure OpenAI
Local models (Ollama, LM Studio, llama.cpp - any OpenAI-compatible endpoint)
Any custom OpenAI-compatible API

Quick config example (set once in VS Code settings):

"fastmind.llm": {
  "apiUrl": "https://generativelanguage.googleapis.com/v1beta/openai/chat/completions",
  "modelName": "gemini-2.5-flash",
  "apiKey": "AI..."
}

Settings