## Bug

The built-in MCP registry (`litellm/proxy/mcp_registry.json`) defines the Browserbase server with the wrong npm package name:

**Current (broken):** ```json "command": "npx", "args": ["-y", "@anthropic/mcp-server-browserbase"] ```

**Correct:** ```json "command": "npx", "args": ["-y", "@browserbasehq/mcp"] ```

## Error

``` npm error 404 Not Found - GET https://registry.npmjs.org/@anthropic%2fmcp-server-browserbase - Not found npm error 404 The requested resource '@anthropic/mcp-server-browserbase@*' could not be found or you do not have permission to access it. ```

## Steps to Reproduce

1. Go to LiteLLM UI → MCP Servers → Add from registry → Browserbase 2. Enter API key and Project ID 3. Save and wait 30s 4. Tool discovery fails with 404 from npm

## Fix

Update `litellm/proxy/mcp_registry.json` line ~311: ```diff - "args": ["-y", "@anthropic/mcp-server-browserbase"], + "args": ["-y", "@browserbasehq/mcp"], ```

Verified `@browserbasehq/mcp` works correctly inside the LiteLLM container.