Free US market data as tools: SEC filings, insiders, short interest, 13F, COT, Fed liquidity.
To add XOOMAR market data to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 2 environment variables, listed below.
Install
npx -y xoomar-mcp@0.1.11Environment variables
XOOMAR_API_KEYSet in your MCP configXOOMAR_MAX_ROWSSet in your MCP configInstall with your client
claude mcp add xoomar-market-data --env XOOMAR_API_KEY=<YOUR_XOOMAR_API_KEY> --env XOOMAR_MAX_ROWS=<YOUR_XOOMAR_MAX_ROWS> -- npx -y xoomar-mcp@0.1.11
Run this in a terminal to add the server to Claude Code.
What this does
XOOMAR market data exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
XOOMAR_API_KEY XOOMAR_MAX_ROWS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install XOOMAR market data?
Run the Claude Code command in the install section to add XOOMAR market data to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with XOOMAR market data?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to XOOMAR market data as well.
Does XOOMAR market data need an API key?
Yes. Before it can run, set these environment variables: XOOMAR_API_KEY, XOOMAR_MAX_ROWS. They go in the env block of your MCP config.
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