@three-ws/vision-mcp

Let any AI agent see — analyze and describe images through the three.ws vision pipeline, free-first and no key required.

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A [Model Context Protocol](https://modelcontextprotocol.io) server that gives any AI assistant **image understanding** over stdio. Pass an image as a public URL or base64 and the agent can read the text in a screenshot, identify what's in a scene, critique a 3D/avatar render, or write alt-text — all live, read-only, no key required.

Every answer comes from the three.ws vision pipeline: **free NVIDIA NIM vision models lead every request**, with an automatic server-side paid backstop behind them. The caller never pays and needs no provider key — point `THREE_WS_BASE` at a deployment and go.

Install

npm install @three-ws/vision-mcp

Or run with `npx` (no install):

npx @three-ws/vision-mcp

Quick start

**Claude Code**, one line:

claude mcp add vision -- npx -y @three-ws/vision-mcp

**Claude Desktop / Cursor** (`claude_desktop_config.json` or `mcp.json`):

{
	"mcpServers": {
		"vision": {
			"command":