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fsharp-testing
by SeuPut0705
F# testing patterns with xUnit, FsUnit, Unquote, FsCheck property-based testing, integration tests, and test organization best practices. Use when writing F# tests with xUnit, FsUnit, Unquote, or FsCheck.
frontend-patterns
by SeuPut0705
Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices. Use when building or reviewing React or Next.js components, state, or render performance.
frontend-a11y
by SeuPut0705
Accessibility patterns for React and Next.js — semantic HTML, ARIA attributes, form labeling, keyboard navigation, focus management, and screen reader support. Use when building or reviewing forms, modals, dropdowns, tooltips, or tabs, fixing a11y lint or code-review findings, or wiring up keyboard navigation and focus management.
foundation-models-on-device
by SeuPut0705
Apple FoundationModels framework for on-device LLM — text generation, guided generation with @Generable, tool calling, and snapshot streaming in iOS 26+. Use when adding on-device LLM features with Apple FoundationModels on iOS 26+.
flutter-dart-code-review
by SeuPut0705
Library-agnostic Flutter/Dart code review checklist covering widget best practices, state management patterns (BLoC, Riverpod, Provider, GetX, MobX, Signals), Dart idioms, performance, accessibility, security, and clean architecture. Use when reviewing Flutter or Dart code, whatever state management library the project uses.
fastapi-patterns
by SeuPut0705
FastAPI best practices covering project structure, Pydantic v2 schemas, dependency injection, async handlers, authentication, authorization, transactional service layers, and testing with httpx and pytest. Use when building or reviewing FastAPI apps — Pydantic schemas, dependencies, async handlers, auth, or tests.
error-handling
by SeuPut0705
Patterns for robust error handling across TypeScript, Python, and Go. Covers typed errors, error boundaries, retries, circuit breakers, and user-facing error messages. Use when designing error types, retries, circuit breakers, or user-facing failure messages in TypeScript, Python, or Go.
ecc
by SeuPut0705
"Index of ECC language, framework and tool skills, read on demand: Go, Rust, Python, Django, FastAPI, Java, Spring Boot, Quarkus, Kotlin, Android, Swift, Flutter, C++, .NET, Laravel, Rails, Perl, React, Next.js, Vue, Angular, NestJS, databases, Docker, Kubernetes, security and LLM apps. Read it before writing, testing or reviewing code in one of these."
docs-governance
by SeuPut0705
Route broad documentation-governance requests to existing ECC skills and run an opt-in, read-only audit of mapped documentation roles, links, ADR indexes, and evidence references. Use when a user asks for documentation governance, project-knowledge organization, documentation integrity, or a deterministic docs audit without naming a narrower skill.
docker-patterns
by SeuPut0705
Docker and Docker Compose patterns for local development, hardened CLI installer harnesses, container security, networking, volumes, and multi-service orchestration. Use when creating or reviewing Dockerfiles and Compose services, testing installers across Linux distributions, or planning accurate native macOS and Windows validation.
django-verification
by SeuPut0705
Run the full Django verification loop — environment check, mypy/ruff/black linting, migration safety, pytest with coverage targets, pip-audit and bandit security scans, settings and logging review, and diff review — producing a phased pass/fail report before release or PR. Use when preparing a Django pull request, validating migrations or coverage, or running pre-deploy readiness checks.
django-tdd
by SeuPut0705
Django testing strategies with pytest-django, TDD methodology, factory_boy, mocking, coverage, and testing Django REST Framework APIs. Use when writing Django or DRF tests with pytest-django, or driving a Django feature test-first.
django-patterns
by SeuPut0705
Django architecture patterns, REST API design with DRF, ORM best practices, caching, signals, middleware, and production-grade Django apps. Use when building or reviewing Django apps, DRF APIs, ORM queries, or caching.
django-celery
by SeuPut0705
Django + Celery async task patterns — configuration, task design, beat scheduling, retries, canvas workflows, monitoring, and testing. Use when adding background jobs, scheduled tasks, or async processing to a Django app.
design-system
by SeuPut0705
"Generate a design system from an existing codebase or audit one for visual consistency: extract tokens (colors, typography, spacing, shadows) into design-tokens.json and CSS custom properties with DESIGN.md rationale and an interactive HTML preview, score the UI across 10 dimensions, and flag AI-slop patterns. Use when starting a design system, auditing visual consistency before a redesign, or reviewing a PR that touches styling."
deployment-patterns
by SeuPut0705
Deployment workflows, CI/CD pipeline patterns, Docker containerization, health checks, rollback strategies, and production readiness checklists for web applications. Use when setting up CI/CD, containerizing an app, or checking production readiness before a release.
database-migrations
by SeuPut0705
"Safe, reversible database migration patterns: forward-only production changes, expand-contract zero-downtime renames, concurrent indexes, batched backfills, and per-tool workflows for PostgreSQL, Prisma, Drizzle, Kysely, Django, and golang-migrate. Use when writing a schema or data migration, adding a column or index to a large table, planning a rollback, or preparing a zero-downtime deploy."
data-throughput-accelerator
by SeuPut0705
Diagnose and accelerate large data movement — ingestion, backfill, export, ETL, warehouse loading, manifest catch-up, and table synchronization — by isolating the true bottleneck, benchmarking variants, and codifying the fastest path with a hard accounting block proving rows and timestamps cohere. Use when a pipeline or backfill is too slow and must get faster without losing data correctness.
dashboard-builder
by SeuPut0705
Build monitoring dashboards that answer real operator questions for Grafana, SigNoz, and similar platforms. Use when turning metrics into a working dashboard instead of a vanity board.
dart-flutter-patterns
by SeuPut0705
Production-ready Dart and Flutter patterns covering null safety, immutable state with Freezed, async composition, widget architecture, state management (BLoC, Riverpod, Provider), GoRouter navigation with auth guards, Dio networking, error handling, and testing. Use when writing or reviewing Dart and Flutter code — state, widgets, navigation, networking, or architecture.
csharp-testing
by SeuPut0705
C# and .NET testing patterns with xUnit, FluentAssertions, mocking, integration tests, and test organization best practices. Use when writing or reviewing xUnit tests, mocks, or integration tests in a C# / .NET project.
cpp-testing
by SeuPut0705
Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or adding coverage/sanitizers.
entities-audit
by osdlc
Audit every entity instance under docs/planning/<plural>/ against the current entity schemas in the plugin. Reports schema_version drift, frontmatter validation errors, depends_on graph issues, and prose-section drift (missing template H2s). Read-only: catalogues drift, applies no fixes. Mechanical fixes are /sdlc:entities-migrate's job (see also).
duplication-scan
by osdlc
Run a deep, evidence-backed scan of a repository for duplication (the same logic, contract, configuration or infrastructure implemented more than once) and modularization opportunities (code to extract, split, move, or re-wire in the right dependency direction), as an orchestrated adversarial loop: Prospector agents generate candidates, Adversary agents with no shared context try to falsify them, an Arbiter adjudicates against a fixed rubric, and the loop exits only on measured convergence. Read-only on the source tree; writes a map, a ledger, a decision report, a round log and a one-PR pilot plan under a work directory. Use when asked to find duplicated code, copy-pasted wrappers, parallel implementations, drifted copies, "shared package" candidates, wrong-tier packages, god packages, or to audit a monorepo's modularization; when a user says "what should be extracted", "where are we repeating ourselves", or "is this package in the right place".