Add FillBench (reproducible crypto exchange API latency benchmarks). (#148)

* Add Jacobian to quant research tools

* Sort Jacobian with analytic tools

Readme.md

@@ -317,6 +317,7 @@ Note: the one marked as `Live Trading` has reasonable live trading support for a
 - [alphalens (Fork)](https://github.com/wangzhe3224/alphalens) | `Python` | - Performance analysis of predictive (alpha) stock factors
 - [ffn](https://github.com/pmorissette/ffn) | `Python` | - A financial function library for Python
 - [honest-signals](https://github.com/MarvinRey7879/honest-signals) | `Python` | - Scores detected chart patterns against the pattern-free baseline for the same market and timeframe, reporting lift with cluster-robust confidence intervals instead of a hit rate against 50%
+- [Jacobian](https://github.com/morluto/jacobian) | `Python`, `MCP`, `CLI` | - Composable mathematics for agent-driven quant research, with exact computation and conjecture testing across polynomial maps, linear algebra, and graph algorithms.
 - [quantstats](https://github.com/ranaroussi/quantstats) | `Python` | - Portfolio analytics for quants, written in Python
 
 ### Indicators
@@ -332,6 +333,7 @@ Note: the one marked as `Live Trading` has reasonable live trading support for a
 - [chart-patterns](https://github.com/focus1691/chart-patterns) | `TypeScript` | - Technical analysis library for chart patterns, price action, and volume-based pattern detection.
 - [ChartScout](https://chartscout.io) - Real-time crypto chart pattern detection and alerts
 - [Wickra](https://github.com/wickra-lib/wickra) | `Rust` & `Python` & `JavaScript` & `C++` & `C#` & `Go` & `Java` & `R` | - Streaming-first technical-analysis library with 514 O(1)-per-tick indicators across 24 families; bit-exact batch and streaming from one Rust core.
+- [QuantWave](https://github.com/lavs9/quantwave) ![GitHub last commit (branch)](https://img.shields.io/github/last-commit/lavs9/quantwave/main) ![GitHub Repo stars](https://img.shields.io/github/stars/lavs9/quantwave?style=social) | `Python` `Rust` `Polars` | - Polars-native technical analysis and backtesting with bit-identical batch and streaming parity, plus an agent skill for consistent research-to-live strategy code.
 
 
 ### Pricing
@@ -446,8 +448,8 @@ Note: the one marked as `Live Trading` has reasonable live trading support for a
 - [Orderflow](https://github.com/focus1691/orderflow) | `TypeScript`, `NestJS`, `TimescaleDB` | - Builds real-time Footprint Candles from WebSocket trade data across crypto exchanges.
 - [Agent Gateway](https://agent-gateway-kappa.vercel.app) | `REST API` | - Free unified REST API providing real-time prices for 500+ crypto tokens via Hyperliquid. No API key required for price data. OpenAPI spec at `/openapi.json`.
 - [tessera-api](https://github.com/tesseralytics/python-client) | `Python` | - Official client for Tessera: order-flow-enriched OHLCV, funding-rate, and positioning datasets built from raw Hyperliquid trades, read straight into Polars or DuckDB over a REST API. [Website](https://tesseralytics.dev)
-- [CoinPaprika](https://api.coinpaprika.com) | `REST API` | - Free crypto market data API with prices, volume, market cap, OHLCV, and exchange data for 7,000+ coins. No API key required, no rate limits.
-- [DexPaprika](https://api.dexpaprika.com) | `REST API` | - Free DEX/DeFi data API covering pools, tokens, OHLCV, and trade history across all chains and DEXes. No API key, no rate limits.
+- [CoinPaprika](https://api.coinpaprika.com) | `REST API` | - Crypto market data API with prices, volume, market cap, OHLCV, and exchange data for 12,000+ coins. No API key required; free tier is 20,000 calls/month.
+- [DexPaprika](https://api.dexpaprika.com) | `REST API` | - Free DEX/DeFi data API covering pools, tokens, OHLCV, and trade history across 36 chains and 230+ DEXes. No API key needed; free tier is 200K requests/month.
 - [PreReason](https://github.com/PreReason/mcp) | `TypeScript`, `REST API`, `MCP` | - Pre-analyzed Bitcoin and macro market briefings. 17 contexts covering BTC, Fed balance sheet, M2, Treasury yields, hash rate, difficulty, mining production costs, and cross-asset correlations (SPY, QQQ, VXX, UUP as BTC relationship signals). Returns trend direction, confidence scores, percentile rankings, and regime classification. [Website](https://www.prereason.com)
 - [Sharpe](https://www.sharpe.ai/docs/free-api) | `REST API`, `MCP` | - Crypto market intelligence API and MCP server covering funding rates, options, arbitrage, narratives, exchange listings, and news. Public endpoints work without a required API key. [Website](https://www.sharpe.ai)
 - [Coinugget](https://coinugget.com) - Real-time RSI signals, price action & volume spikes dashboard for crypto traders. Free, no sign-up required.
@@ -456,6 +458,7 @@ Note: the one marked as `Live Trading` has reasonable live trading support for a
 - [BitBank](https://bitbank.nz) | `REST API` | - AI-powered crypto forecasting and predictions API with machine learning models for price movement analysis.
 - [AgentServices](https://github.com/vbkotecha/aiservices-api) | `REST API`, `MCP`, `x402` | - Crypto & market data API platform with 54 services, 97 endpoints, and 37 MCP tools. On-chain payments via x402 (USDC on Base). Covers prices, OHLCV, on-chain metrics, DeFi data, and technical indicators. [Server](https://agentservices.to)
 - [WealthVille](https://wealthville.net/api/v1) | `REST API`, `MCP` | - DeFi liquidity-pool scoring for LP/yield strategies. Covers ~68,800 Solana pools (Meteora DLMM, Orca Whirlpool, Raydium AMM/CLMM/CPMM) and 575 EVM pools across Ethereum, Arbitrum, Base, Optimism, Polygon and BSC. Returns a 0-100 pool score plus an ENTER/HOLD/EXIT/REDUCE/AVOID verdict with per-protocol calibrated confidence, and publishes a miss-inclusive 30-day track record so the signal can be evaluated before it is used. No API key required. Endpoints: `/pools/top`, `/evm/pools`, `/signals/feed`, `/track-record`. [Website](https://wealthville.net/developers)
+- [Shingou](https://shingou.io) | `REST API`, `MCP` | - Hourly news sentiment and typed market events for 30 crypto pairs. Every hourly bucket's hash is committed to a public append-only log at publish time, so point-in-time history can be verified as never rewritten before backtesting, and the log repo ships a one-command verifier. The published backtest keeps its negative results, including a pooled hit rate at a coin flip and a residual IC indistinguishable from zero. Free tier: 1,000 req/day, live on the majors. [Verifier](https://github.com/auriontech/shingou-signal-log)
 
 ### Prediction Markets
 

Readme_cn.md

@@ -182,6 +182,7 @@ Note: 如果标有`Live Trading` 表示具有实时交易功能（至少一个
 ### 指标计算 Metrics computation
 
 - [ffn](https://github.com/pmorissette/ffn) | `Python` | - Python的金融函数库
+- [Jacobian](https://github.com/morluto/jacobian) | `Python`、`MCP`、`CLI` | - 面向 Agent 的可组合数学工具，为量化研究提供跨多项式映射、线性代数和图算法的精确计算与猜想测试。
 - [quantstats](https://github.com/ranaroussi/quantstats) | `Python` | - 用 Python 编写的量化投资组合分析
 
 ### 指标 Indicators

crypto_focus.md

@@ -29,3 +29,4 @@
 - [TrendRider Strategy](https://github.com/darkvolg/trendrider-strategy) | `Python` | - Open-source Freqtrade strategy for Bybit with a novel cascading early-loss exit ladder (-1.5% at 2h, BE at 4h, +0.5% at 8h, +1% at 16h, forced 24h). Backtest delta vs flat 24h timeout: +69% net profit, -77% max drawdown. Multi-timeframe entries on BTC/ETH/SOL + 15 altcoins. Public live dry-run dashboard at [trendrider.net/live](https://trendrider.net/live). MIT.
 - [INDICIA DESK](https://indiciadesk.com/en/vol) | `Platform` | - BTC/ETH options analytics on Deribit plus whale behaviour on Hyperliquid perps. Automatically classifies multi-leg whale option structures from the trade flow (butterfly, condor, risk reversal, straddle, calendar and five more families), keeps per-strike implied volatility with history, gamma exposure and the market-maker breakeven corridor. Ships an open daily track record with the misses included, and a public backtest of the "max pain magnet" theory across hundreds of expiries. Free tier available.
 - [perpsignal](https://github.com/mokshyaprotocol/signalview) | `Python` | - Signal engine and backtester for perpetual futures. Write a strategy as a compact expression or JSON definition, evaluate it against OHLCV, and backtest into Sharpe/return/drawdown/win-rate with fees, funding, stops/targets and leverage modelled. No wallet, key or live-trading code — pure research library, safe to run anywhere. Apache-2.0, `pip install perpsignal`.
+- [FillBench](https://fillbench.com) | `Data` | - Reproducible latency benchmarks for crypto exchange REST APIs (p50/p95/p99 and TLS connect time), measured every 2 hours from a fixed US-East host. Open JSON, documented methodology, and a public data mirror on [GitHub](https://github.com/sircharli3/fillbench-data). Also benchmarks trading fees and tool pricing.