free-investment-mcp

A free, no-key MCP server for public investment research. It runs as a Cloudflare Worker and exposes a Streamable HTTP endpoint at /mcp.

Included research tools

The service only accesses public sources and does not require API keys. Market data can be delayed or incomplete; use it for research and verify material facts before making investment decisions.

Deploy to Cloudflare

npm install
npm run check
npm run deploy

After deploying, your MCP URL is:

https://<your-worker-subdomain>/mcp

Use that address when adding a remote MCP connector.

Examples

• get_stock_quote: symbol = AAPL, market = us

• get_sec_company_filings: ticker = NVDA, limit = 10

• get_world_bank_indicator: country = KOR, indicator = NY.GDP.MKTP.CD

• search_clinical_trials: query = pancreatic cancer

Development notes

• The Worker uses the MCP TypeScript SDK's stateless Streamable HTTP transport.

• All requests are read-only. No brokerage, account, or trading actions are included.

• The SEC asks automated clients to identify themselves. This server identifies itself with this repository URL.