All servers · Markets & trading

Ryufin

com.ryufin/stocks · v1.0.1

New (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	6 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

Free US stock research from SEC filings: five plain answers on 3,000+ stocks. No API key.

streamable-http · https://ryufin.com/mcp

claude mcp add --transport http stocks https://ryufin.com/mcp

{
  "mcpServers": {
    "stocks": {
      "url": "https://ryufin.com/mcp"
    }
  }
}

search_stocks
Find US-listed companies Ryufin covers by ticker or company name. Returns ticker, name, sector, market value and the Ryufin page.
get_stock_answers
Ryufin's five answers for one stock: is the business good, is it safe, is the price fair, is it growing, what is the market doing with it. Each answer has a one-word verdict, a plain sentence, the checks it was read from (with values and dates) and, when it moved recently, what it was before.
get_stock_overview
Price, market value, P/E, returns, sector, RyuScore (0 to 100 from seven weighted criteria) and what the company says it does, verbatim from its latest annual report.
get_financial_history
A reported financial series for one stock from its SEC filings, trailing twelve months or single quarters, newest last. Metrics: pe, revenue, net_income, eps, gross_margin, op_margin, net_margin, roe, roa, roic, fcf.
get_company_news
The company's own recent current reports (8-K), newest first: the date, what kind of event, the company's own sentence and a link to the filing on sec.gov.
get_answer_changes
Stocks whose answer to one of the five questions changed in the latest nightly run (for example Safety from Good to Watch), largest companies first.

Website · JSON · Text for agents · Registry updated 2026-10-21