Data Leakage Python Packages

anthale

Anthale's official Python SDK

leakguard-mcp

Squawk for backtests — static analyzer flagging lookahead bias & data leakage in ML/trading code before the backtest runs. Local stdio MCP.

inferwall

AI application firewall for LLM-powered apps — multi-layered detection (heuristic, ML classifier, semantic, LLM-judge) against prompt injection, jailbreaks, and data leakage - inferwall.com

splitcheck

Detect row overlap and leakage between dataset splits.

ml-engineer-skills

A spell-checker for ML mistakes: catches data leakage, broken splits, unbeaten baselines, and metric misuse. Run the mlcheck tool, or use the Claude Code skills.

safefeat

Leakage-safe, point-in-time feature engineering for ML — build features from event logs without future data leakage.

timefence

Stop silent data leakage in ML training pipelines.

seismic-linter

A static analysis tool for preventing temporal causality leaks in seismology ML.