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Kotlin coding standards including null safety, Either error handling, coroutines, and Exposed ORM patterns. Use when writing Kotlin code, reviewing code quality, or learning project patterns.
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SOC 職業分類に基づく
Generate complete service-level Terraform infrastructure with modules, environments, and CI/CD. Use when adding Terraform to a new service or bootstrapping infrastructure from scratch.
Audit JS/TS projects against NPM Security Guidelines covering project setup, dependency hygiene, CI/CD pipeline, Dependabot, and incident response. Use when reviewing package.json or lockfiles, adding or upgrading npm dependencies, setting up CI security gates, hardening a new repo, or responding to a compromised package.
Creates FastAPI endpoints with layered architecture (Router → Service → Repository). Use when creating new API endpoints, CRUD operations, or scaffolding a new domain module in a FastAPI project.
Python/FastAPI coding standards including async patterns, Pydantic v2, SQLAlchemy 2.0, and project structure. Use when writing Python code, reviewing FastAPI projects, or learning FastAPI conventions.
Testing patterns for FastAPI with pytest-asyncio, httpx AsyncClient, fixtures, and test data factories. Use when writing tests, setting up test infrastructure, or improving coverage in a FastAPI project.
Investigate a monitoring alert end-to-end. Pulls metrics, logs, traces, and recent code changes to identify root cause. Works with any monitoring MCP.
| name | kotlin-best-practices |
| description | Kotlin coding standards including null safety, Either error handling, coroutines, and Exposed ORM patterns. Use when writing Kotlin code, reviewing code quality, or learning project patterns. |
| allowed_tools | ["Read","Write","Edit","Glob","Grep"] |
!! is banned. Use ?., ?:, or null check for smart cast.
See code-patterns.md for all null safety examples.
Managers return Either<ClientException, T> -- never throw. Controllers unwrap with .throwOrValue().
See code-patterns.md for manager + controller examples.
Never hardcode strings when an enum exists. Use EnumName.VALUE.value everywhere.
See code-patterns.md for enum definition and usage patterns.
Extend UUIDTable, use text() not varchar(). Always filter deletedAt.isNull(). Soft delete via timestamp update, never hard delete.
See code-patterns.md for table, query, and soft delete examples.
Reads use db.replica, writes use db.primary. Multi-table writes go in one transaction block -- all succeed or all rollback.
See code-patterns.md for transaction examples.
Put companion object { fun from(entity) } inside Response DTOs. Never create separate mapper files.
See code-patterns.md for the full pattern.
!! -- always use ?., ?:, or null check@Suppress -- fix the root causeEither.left() insteadVARCHAR in SQL -- use TEXTTable base class -- use UUIDTable