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FreshGuard Core

Open source data pipeline freshness monitoring

Quick Install

pnpm install @freshguard/freshguard-core

Freshness Monitoring

Detect stale data in your pipelines. Get alerts when tables haven't updated within your tolerance window.

Volume Anomaly Detection

Catch unexpected row count changes. Automatic baseline calculation with configurable deviation thresholds.

Schema Change Detection

Track column additions, removals, and type changes. Configurable adaptation modes: auto, manual, or alert-only.

6 Database Connectors

PostgreSQL, DuckDB, BigQuery, Snowflake, MySQL, and Redshift. All with built-in query validation and timeout protection.

Security by Default

SQL injection protection, error sanitization, circuit breakers, and structured logging built into every connector.

Self-Hosted & MIT Licensed

Run on your own infrastructure. No vendor lock-in. Free forever. Extend with custom connectors and monitors.