Ref (npx) MCP Server
CommunityContributed by Ref
Token-efficient documentation search for coding agents. Searches public and private technical docs, APIs, and libraries, and reads URLs as markdown to keep the context window lean.
About the Ref (npx) MCP Server
The Ref (npx) MCP server is a local (stdio) Model Context Protocol server available in the McpMux registry. Token-efficient documentation search for coding agents. Searches public and private technical docs, APIs, and libraries, and reads URLs as markdown to keep the context window lean. This is a community-contributed MCP server by Ref.
Install the Ref (npx) MCP server with one click using McpMux. It works with Cursor, Claude Desktop, Claude Code, VS Code, ChatGPT, Windsurf, JetBrains, and any MCP-compatible AI client. This server requires an API key — McpMux securely stores your credentials with AES-256-GCM encryption.
Transport Configuration
{
"type": "stdio",
"command": "npx",
"args": [
"-y",
"ref-tools-mcp"
],
"env": {
"REF_API_KEY": "${input:REF_API_KEY}"
},
"metadata": {
"inputs": [
{
"id": "REF_API_KEY",
"label": "Ref API Key",
"description": "API key for your Ref account. Used to authenticate documentation search and URL-read requests.",
"type": "text",
"required": true,
"secret": true,
"placeholder": "ref-****************",
"obtain": {
"url": "https://ref.tools/keys",
"instructions": "1. Sign in to your Ref account at https://ref.tools\n2. Open the API keys page at https://ref.tools/keys\n3. Create or copy an API key\n4. Paste it here",
"button_label": "Get API Key"
}
}
]
}
}Categories
Tags
Supported AI Clients
The Ref (npx) MCP server works with all MCP-compatible AI clients through McpMux:
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Install Ref (npx) with McpMux
One-click install from the McpMux desktop app. Auto-configures for Cursor, Claude, VS Code, ChatGPT, Windsurf, JetBrains, and any MCP-compatible client.