MCP server

Ryufin Official

com.ryufin/stocks

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkVerified publisher: ryufin.comAbout 851 tokens per request once connected6 tools

https://ryufin.com/mcp

At a glance

Type: MCP server
Publisher: ryufin.com (verified by the MCP Registry)
Status: Working at last check
Tools: 6
Token cost: About 851 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.stocks]
url = "https://ryufin.com/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"stocks":{"type":"http","url":"https://ryufin.com/mcp"}}}

Antigravity

agy mcp add stocks https://ryufin.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"stocks","server_url":"https://ryufin.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"stocks","server_url":"https://ryufin.com/mcp"}

get_answer_changes ~97 tokens
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.
get_company_news ~136 tokens
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_financial_history ~217 tokens
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_stock_answers ~158 tokens
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 ~122 tokens
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.
search_stocks ~121 tokens
Find US-listed companies Ryufin covers by ticker or company name. Returns ticker, name, sector, market value and the Ryufin page.

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Bullrun: Global Stock & UCITS ETF Research
Free, no sign-up: global stocks, UCITS ETF costs and overlap, company risk and macro, all dated.
Unstuck
Web search, read any page, verify or find emails, screenshots, keyword data. One key, pay per call.
K-Data — Korean Sell-Side Research & Market Data
Korean equity research, analyst revisions, kimchi premium and news via x402.
X402 Tools
61 x402 pay-per-call tools that chain: each answer names the next call. No API key, no account.
Agent Utility Suite (x402)
SEC red-flag alerts & company dossiers, token risk, wallet checks, x402 preflight, scraping, OFAC.
Autrady
Is a trading strategy's track record luck? Free luck check, plus what a full strategy audit checks.
AlphaYou Market Intelligence
Impersonal stock and Hyperliquid research, each answer with its source link and date.

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