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Ryufin

by com.ryufin
OverviewDiscussionsAdmin

Server Details

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

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Status
Healthy
Uptime
100.0% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
ChatGPT
–
Claude
–

TDQS

A3.7/5.0

Scored across 4 tools

Disambiguation4/5

Each tool has a distinct role: discovery (search_stocks), snapshot (get_stock_overview), time-series fundamentals (get_financial_history), and events (get_company_news). There is minor overlap because overview and financial history both surface P/E and market-related metrics, but the temporal vs snapshot distinction keeps selection clear.

Naming Consistency5/5

All four names use snake_case with a predictable verb_noun pattern (get_*, search_*), and the resource is explicit in each name. There is no inconsistent casing or vague verb usage.

Tool Count5/5

Four tools is a well-scoped set for a focused stock-research server; each tool covers a separate stage of the workflow (find, snapshot, history, news). Nothing feels redundant or missing at the count level.

Completeness4/5

The surface covers company discovery, current valuation, historical fundamentals, and recent SEC events, which supports core stock-research workflows. It lacks explicit price-history, dividend, or peer-comparison tools, but those are secondary gaps rather than dead ends.

Available Tools

4 tools
get_company_newsWhat the company told the SECA
Read-onlyIdempotent
Inspect

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.

Inputs: ticker (required), limit.

get_financial_historyReported figures over timeB
Read-onlyIdempotent
Inspect

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.

Inputs: metric (required), ticker (required), view, periods.

get_stock_overviewStock overviewB
Read-onlyIdempotent
Inspect

Price, market value, P/E, returns, sector and what the company says it does, verbatim from its latest annual report.

Inputs: ticker (required).

search_stocksFind a stockA
Read-onlyIdempotent
Inspect

Find US-listed companies Ryufin covers by ticker or company name. Returns ticker, name, sector, market value and the Ryufin page.

Inputs: query (required), limit.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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