Ref Tools FAQs

Question 1

What is Ref Tools?

Accepted Answer

Ref Tools is a ModelContextProtocol (MCP) server that provides AI coding tools and agents with access to comprehensive documentation for APIs, services, and libraries. It helps keep your agent up-to-date in a fast and token-efficient manner.

Question 2

How do I set up Ref Tools?

Accepted Answer

You can set up Ref as an MCP server via either a streamable-http server (experimental) or a local stdio server. Configuration examples are provided in the README. Make sure you sign up for an API key to use the service.

Question 3

What tools does Ref MCP offer?

Accepted Answer

Ref MCP includes 'ref_search_documentation' for powerful documentation search, 'ref_read_url' to read web page content, and an optional 'ref_search_web' for broader web searches. It also supports stdio and streamable HTTP server setups.

Question 4

How can I disable web search?

Accepted Answer

You can disable the 'ref_search_web' tool by setting the `DISABLE_SEARCH_WEB` environment variable to `true` or by setting the `disable_search_web=false` url param in the streamable-http server.

Question 5

What is the Inspector tool?

Accepted Answer

The Inspector is a visual interface for testing and monitoring MCP server interactions. It's valuable for development and debugging purposes. Visit modelcontextprotocol.io for setup instructions.

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