# stockandflow.live

> See also: [llms-full.txt](https://stockandflow.live/llms-full.txt) for comprehensive documentation.

> Free systems dynamics simulator with 1,082 pre-built models across 27 categories. Build, simulate, and analyze stock-and-flow models visually using AI.

## Features
- Visual stock-and-flow diagram editor with D3.js canvas
- AI-powered model generation from natural language descriptions
- Real-time simulation with adjustable parameters
- 1,082 pre-built models in 27 categories (economics, climate, epidemiology, healthcare, social, physics, and more)
- XMILE and JSON model import/export
- MCP server for AI tool integration

## Key Pages
- https://stockandflow.live/ Main simulator app
- https://stockandflow.org/ Model library and documentation

## API Endpoints
- GET /api/models List all models (1,082 models)
- GET /api/models/{id} Get a specific model
- GET /api/models/search?q={query} Search models
- GET /api/models/categories List categories
- POST /api/simulate Run a simulation
- POST /api/llm/generate Generate a model from text description
- POST /api/analyze/sensitivity Sensitivity analysis
- POST /api/analyze/equilibrium Equilibrium analysis

## MCP Server
- SSE transport at /mcp/sse
- Info endpoint at /mcp/info

## Related Sites
- https://stockandflow.org/ Model library with download links