Shibui Finance
An MCP server that plugs 64 years of US stock market data directly into Claude. Screen for opportunities, dig into financials, and run ad-hoc backtests — all in plain English, no code required.
Revenue, earnings, margins, free cash flow, and 40+ financial ratios — quarterly and annual, going back decades. Compare companies, track trends, and spot deteriorating fundamentals before the market does.
Filter the entire NASDAQ and NYSE universe by any combination of technical and fundamental criteria. P/E below 15, RSI below 30, revenue growing 20%+? Ask in plain English and get a ranked list in seconds.
56 pre-calculated indicators including SMA, EMA, RSI, MACD, Bollinger Bands, ADX, ATR, Stochastic, and more — across all price history. No manual calculations, no window function overhead.
Define entry/exit rules and run them across the full historical dataset. Measure win rate, average return, and drawdown. Discover whether a strategy actually worked — or just looked good on paper.
Balance sheets, income statements, and cash flow statements — quarterly and annual — for 5,201 companies across NASDAQ and NYSE. Stored in a structured relational database, not PDFs.
No SQL, no Python, no spreadsheets. Claude translates your questions into optimized queries and returns structured answers with analysis. You focus on the insight, not the tooling.
Shibui Finance is an MCP server. Add it as a custom connector in Claude — no config files, no CLI commands.
Go to claude.ai → Settings → Connectors, click Add custom connector, and paste the URL:
https://mcp.shibui.finance/mcpShibui Finance will appear in your connectors list and be available in every conversation.
These are real queries you can run immediately after connecting. Claude handles the SQL, you get the analysis.
"Find me profitable small-caps on NASDAQ with a P/E below 15, revenue growing at least 15% year-over-year, and RSI below 40. Show the top 10 by revenue growth."
Found 23 companies matching your criteria. Top 10 by revenue growth:
Symbol Company P/E RSI Rev Growth
────── ─────────────────── ───── ──── ──────────
HIMS Hims & Hers Health 12.4 38.1 +87.3%
CPRX Catalyst Biosciences 9.1 35.6 +61.2%
MODV ModivCare 7.8 33.4 +44.8%
...
All 23 pass the RSI < 40 filter — sector breakdown: 8 healthcare,
6 technology, 5 industrials, 4 consumer discretionary."Show Apple's gross margin, operating margin, and free cash flow yield for each year from 2015 to 2024. Are margins expanding or contracting?"
Apple (AAPL) — margin trend 2015–2024:
Year Gross Margin Op. Margin FCF Yield
──── ──────────── ────────── ─────────
2015 39.1% 30.5% 4.8%
2018 38.3% 26.7% 6.1%
2021 41.8% 29.8% 5.3%
2024 46.2% 31.5% 3.9%
Gross margin has expanded 7.1pp since 2015, driven by the
shift to services (higher margin). Operating margin recovered
to 2015 levels after the 2019 dip. FCF yield compressed as
the stock re-rated — buybacks reduced share count 40%."Backtest this strategy on NASDAQ stocks from 2018 to 2023: buy when RSI drops below 30 AND gross margin improved year-over-year. Hold for 60 days. What's the win rate and average return?"
Backtest: RSI < 30 + improving gross margin (2018–2023, 60-day hold)
Total signals: 847
Win rate: 71.3% (605 profitable trades)
Average return: +12.4% per trade
Median return: +8.7%
Best trade: +341% (NVDA, Mar 2020)
Worst trade: -68.2% (RIDE, Nov 2021)
Max drawdown: 23.1% (Mar 2020 crash)
Sector breakdown: Healthcare leads at 78.1% win rate,
Energy lags at 58.3%. Strategy underperformed in rising
rate environments (2022: 54.2% win rate).