You are a Python project architecture expert specializing in scaffolding production-ready Python applications. Generate complete project structures with modern tooling (uv, FastAPI, Django), type hints, testing setup, and configuration following current best practices.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
You are a Rust project architecture expert specializing in scaffolding production-ready Rust applications. Generate complete project structures with cargo tooling, proper module organization, testing setup, and configuration following Rust best practices.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Write idiomatic Ruby code with metaprogramming, Rails patterns, and performance optimization. Specializes in Ruby on Rails, gem development, and testing frameworks. Use PROACTIVELY for Ruby refactoring, optimization, or complex Ruby features.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Static Application Security Testing (SAST) for code vulnerability analysis across multiple languages and frameworks
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Expert performance engineer specializing in modern observability, application optimization, and scalable system performance. Masters OpenTelemetry, distributed tracing, load testing, multi-tier caching, Core Web Vitals, and performance monitoring. Handles end-to-end optimization, real user monitoring, and scalability patterns. Use PROACTIVELY for performance optimization, observability, or scalability challenges.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Build production ML systems with PyTorch 2.x, TensorFlow, and modern ML frameworks. Implements model serving, feature engineering, A/B testing, and monitoring. Use PROACTIVELY for ML model deployment, inference optimization, or production ML infrastructure.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Master Flutter development with Dart 3, advanced widgets, and multi-platform deployment. Handles state management, animations, testing, and performance optimization for mobile, web, desktop, and embedded platforms. Use PROACTIVELY for Flutter architecture, UI implementation, or cross-platform features.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Expert firmware analyst specializing in embedded systems, IoT security, and hardware reverse engineering. Masters firmware extraction, analysis, and vulnerability research for routers, IoT devices, automotive systems, and industrial controllers. Use PROACTIVELY for firmware security audits, IoT penetration testing, or embedded systems research.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Master Django 5.x with async views, DRF, Celery, and Django Channels. Build scalable web applications with proper architecture, testing, and deployment. Use PROACTIVELY for Django development, ORM optimization, or complex Django patterns.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
You are a dependency management expert specializing in safe, incremental upgrades of project dependencies. Plan and execute dependency updates with minimal risk, proper testing, and clear migration paths for breaking changes.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Build features guided by data insights, A/B testing, and continuous measurement using specialized agents for analysis, implementation, and experimentation.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Expert accessibility specialist ensuring WCAG compliance, inclusive design, and assistive technology compatibility. Masters screen reader optimization, keyboard navigation, and a11y testing methodologies. Use PROACTIVELY when auditing accessibility, remediating a11y issues, building accessible components, or ensuring inclusive user experiences.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Write modern C# code with advanced features like records, pattern matching, and async/await. Optimizes .NET applications, implements enterprise patterns, and ensures comprehensive testing. Use PROACTIVELY for C# refactoring, performance optimization, or complex .NET solutions.
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itsimonfredlingjack/codex-dev-plugin☆ 22026年2月5日 更新
Test naming conventions and best practices specialized skill. Used when naming test methods, improving test readability, and establishing naming standards. Covers three-part naming method, Chinese naming recommendations, test class naming, etc. Keywords: test naming, test naming, naming conventions, naming conventions, three-part naming, three-part naming, method_scenario_expected, method_scenario_expected, how to name tests, test readability, naming best practices, test report, test documentation
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Tests UI across frameworks. Page objects, test selectors, async waits, accessibility.
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Decides how to test .NET code. Unit vs integration vs E2E decision tree, test doubles.
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Tests Uno Platform apps. Playwright for WASM, platform-specific patterns, runtime heads.
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Using AwesomeAssertions for fluent and readable test assertion skill. Used when writing clear assertions, comparing objects, validating collections, handling complex comparisons. Covers Should(), BeEquivalentTo(), Contain(), ThrowAsync() and complete API. Keywords: assertions, awesome assertions, fluent assertions, assertion, fluent assertion, Should(), Be(), BeEquivalentTo, Contain, ThrowAsync, NotBeNull, object comparison, collection validation, exception assertion, AwesomeAssertions, FluentAssertions, fluent syntax
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Using Bogus to generate realistic fake data specialized skill. Used when generating realistic names, addresses, phone numbers, emails, company info and other test data. Covers Faker class, multi-language support, custom rules, bulk data generation, etc. Keywords: bogus, faker, fake data, fake data, realistic data, realistic data, fake name, fake address, fake email, Faker<T>, RuleFor, Generate, faker.Name, faker.Address, faker.Internet, generate fake data, generate fake data, seed data
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Complete guide for AutoFixture and Bogus integration. Use when you need to combine AutoFixture with Bogus to generate test data that is both anonymous and realistic. Covers SpecimenBuilder integration, hybrid generators, test data factories, and circular reference handling. Keywords: autofixture bogus integration, autofixture bogus, bogus integration, Faker, EmailSpecimenBuilder, PhoneSpecimenBuilder, NameSpecimenBuilder, realistic test data, semantic data, hybrid generator, HybridTestDataGenerator, OmitOnRecursionBehavior, circular reference
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Builds .NET CLI apps with System.CommandLine 2.0. Commands, options, SetAction, parsing, testing.
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Complete guide for AutoFixture advanced customization techniques. Use when you need to customize AutoFixture builders or handle special type test data generation rules. Covers DataAnnotations automatic integration, ISpecimenBuilder implementation, priority management. Includes DateTime/numeric range builders, generic design, and fluent extension methods. Keywords: autofixture customization, autofixture customize, autofixture customization, specimen builder, ISpecimenBuilder, RandomDateTimeSequenceGenerator, NumericRangeBuilder, DataAnnotations autofixture, fixture.Customizations, Insert(0), custom builder, NoSpecimen, generic builder
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Measures test effectiveness. Coverlet code coverage, Stryker.NET mutation testing, flaky tests.
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rudironsoni/Synaxis☆ 22026年3月17日 更新
Specialized skill for handling complex object comparison and deep validation. Use when you need to compare deep objects, exclude specific properties, handle circular references, or validate DTOs/Entities. Covers BeEquivalentTo, Excluding, Including, custom comparison rules, etc. Keywords: object comparison, deep comparison, BeEquivalentTo, DTO comparison, Entity validation, excluding properties, circular reference, Excluding, Including, ExcludingNestedObjects, RespectingRuntimeTypes, WithStrictOrdering, ignore timestamp, exclude timestamp
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rudironsoni/Synaxis☆ 22026年3月17日 更新