Graphile SQL Expression Validator
JSON →PostGraphile v5 plugin for validating SQL expressions before they reach the database. v2.14.0 — stable release with weekly updates. Enforces whitelist allow/block rules on SQL AST nodes, preventing SQL injection and unsafe queries in PostGraphile schemas. Differentiator: works at the AST level (not text regex) for precise, composable security rules; integrates with grafast and graphile-build-pg execution pipeline.