Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs.
Calculate TAM/SAM/SOM for market opportunities using top-down, bottom-up, and value theory methodologies.
Write effective blameless postmortems with root cause analysis, timelines, and action items.
This skill should be used when the user asks to "optimize a prompt", "improve prompt performance", "design a prompt template", "write…
Profile and optimize Python code using cProfile, memory profilers, and performance best practices.
Design composable recommendation, ranking, and feed pipelines using the six-stage Source→Hydrator→Filter→Scorer→Selector→SideEffect…
Calculate portfolio risk metrics including VaR, CVaR, Sharpe, Sortino, and drawdown analysis.
Implement comprehensive observability for service meshes including distributed tracing, metrics, and visualization.
Track, calculate, and optimize key performance metrics for SaaS, marketplace, consumer, and B2B startups from seed through Series A…
Use when the user asks to filter, query, search, or extract specific rows or columns from an Excel spreadsheet.
Applies Xu Xiaoming's systematic technical analysis methodology to analyze A-share market trends, divergence structures, and trading setups.
Integrates Yandex Metrika reporting for traffic analysis, conversion tracking, and marketing attribution directly within Claude.
Access NIH Metabolomics Workbench via REST API (4,200+ studies).
Assemble a sourced proprietary-data corpus map — sort every candidate data source by one test (can a foundation model already reach it?)…
Generate fast local stills with Z-Image Turbo.
Run hypothesis tests, analyze A/B experiment results, calculate sample sizes, and interpret statistical significance with effect sizes.
Chunked N-D arrays for cloud storage. Compressed arrays, parallel I/O, S3/GCS integration, NumPy/Dask/Xarray compatible, for large-scale…
Agent Designer - Multi-Agent System Architecture
Verify and debug Zoom REST API calls and webhook deliveries from the platform's own records, instead of from your application's logs.
Converts CSV exports to Parquet and validates them against a declared
Build a branded VerityData "13F flow map" — a four-quadrant bubble scatterplot showing institutional accumulation vs change in holder…