Development
Generate pure CSS masonry-style layouts with responsive breakpoints, configurable gaps, and optional full-width skip selectors
css-masonry-layout-generatorDevelopment
Mutate OpenAPI request fields into semantically risky variants and optionally send them to a real backend to check defensive validation coverage
api-contract-mutation-testerDevelopment
Validate a real API response JSON against the response schema declared in an OpenAPI 3.x specification
api-response-contract-validatorDevelopment
Compare two OpenAPI 3.x schemas, identify breaking changes, grade client impact, and suggest migration or compatibility strategies
api-breaking-changes-detector-migration-plannerDevelopment
Simulate the next runs of one or two 5-part cron expressions, highlight overlaps, and warn about overly dense schedules
cron-job-simulatorDevelopment
Generate boundary-value test cases from an OpenAPI 3.x document and optionally send them to a real backend to spot contract mismatches
api-contract-stress-testerDevelopment
Parse cron schedules, validate standard or Quartz syntax, and visualize the next execution times on a timeline and grouped calendar view
cron-expression-visualizerDevelopment
Generate polished API documentation from OpenAPI or annotated comments
api-doc-generatorDevelopment
Measure cyclomatic and cognitive complexity across multiple programming languages
code-complexity-analyzerDevelopment
Generate cURL and common language code snippets from a request URL, method, headers, query parameters, and body
api-request-code-snippet-generatorDevelopment
Generate a runnable Redis-backed mock API server with 1-hour TTL, hot updates, and dynamic templated responses
api-mock-serverDevelopment
Parse and extract structured data from changelogs and release notes in multiple formats
changelog-extractor