free-investment-mcp
Provides free public investment research tools including stock quotes, SEC filings, macroeconomic indicators, and clinical trial searches without requiring API keys.
README
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
| Tool | Data source | What it does |
|---|---|---|
get_stock_quote |
Yahoo Finance | Retrieves the latest available US or Korean quote |
get_sec_company_filings |
U.S. SEC EDGAR | Finds a company's recent SEC filings by ticker or CIK |
get_world_bank_indicator |
World Bank Open Data | Returns recent macroeconomic observations by country and indicator |
search_clinical_trials |
ClinicalTrials.gov | Searches trial metadata by disease, drug, company, or research term |
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 = usget_sec_company_filings:ticker = NVDA,limit = 10get_world_bank_indicator:country = KOR,indicator = NY.GDP.MKTP.CDsearch_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.
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