Agent-driven A-share factor research engine with 8 MCP tools
covering hypothesis design, backtesting, scoring, and anti-overfit
detection.
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Open dataset of U.S. public-company equity stakes in Anthropic and
OpenAI from primary SEC filings, court records, and press releases.
Confidence-flagged (V / P / S).
The QuantOracle project (added in #340) launched a companion site at
quantoracle.dev with 12 free interactive calculators — Black-Scholes
with Greeks, Monte Carlo, Kelly, VaR, CAGR, Sharpe, crypto liquidation,
impermanent loss, and more. Updating the entry so readers know they
can try the math in-browser without setting up the API client first.
Co-authored-by: QuantOracledev <hello@quantoracle.dev>
* Add bolsai — REST API and MCP server for Brazilian stock market data
bolsai provides a REST API and MCP server for Brazilian financial data
from B3, CVM, and BCB. Covers 350+ stocks, 400+ FIIs with fundamentals,
dividends, historical prices, financials, and macro indicators.
Website: https://usebolsai.com
* Move bolsai to Commercial & Proprietary Services section
bolsai is a commercial API, not an open-source library. Placed next
to brapi.dev (another Brazilian stock market API) for consistency.
Coinugget is a free real-time crypto signals dashboard covering RSI,
price action, and volume spikes. No sign-up required. Useful for
quants who want quick market overview before running strategies.
Lumibot is an actively maintained Python framework for algorithmic
trading (1,333+ stars, MIT license, latest release v4.4.60). It
supports backtesting and live trading with the same code across
stocks, options, crypto, futures, and forex via Alpaca, Interactive
Brokers, Tradier, Schwab, and CCXT.
https://github.com/Lumiwealth/lumibot
Sextant is a local event-driven backtesting engine built in Python with a Streamlit interface.
Key features:
- Strict bar-by-bar event loop (MarketEvent → SignalEvent → OrderEvent → FillEvent)
- FRED/ALFRED integration with vintage support (no lookahead from data revisions)
- Basket SL/TP and Hedge mode
- No-code visual strategy builder
- Data from Yahoo Finance, FRED, CSV (TradingView)
MIT license. Actively maintained.