Brief

A developer has created a 15-line contract test using Jest to ensure consistency between TypeScript constants and PostgreSQL CHECK constraints. This test aims to eliminate the fear associated with schema refactoring by providing explicit error messages when discrepancies arise. The test, which compares values between the database and the TypeScript code, allows for safer and faster modifications, such as renaming database statuses, by catching potential issues before they reach production. AI

A new tool called the Model Context Protocol (MCP) server, specifically the zod-contract-mock-forge-mcp, aims to streamline API contract testing for TypeScript developers using Zod schemas. Instead of manually copying schemas into AI models like ChatGPT or Claude, this MCP server allows AI agents to directly access local files, generate valid and invalid JSON payloads, and scaffold testing code for frameworks like Playwright and Jest. The system also includes a feature to suggest fixes for contract validation errors, automating much of the QA process. AI