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Add, remove, or apply Entity Framework Core migrations against a project under src/. Use when: creating a new migration, reverting the last migration, generating a migration bundle, applying migrations to a database.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Create a new Architectural Decision Record (ADR) capturing a justified design choice that addresses an architecturally significant functional or non-functional requirement. Use when: creating a new ADR, documenting an architectural choice, recording a design decision, superseding a previous decision, capturing rationale for a framework/library/pattern selection.
Cut a new release: tag the appropriate commit, generate the changelog, and produce build artifacts. Use when: releasing a new version, tagging a release, publishing NuGet packages, preparing release artifacts.
Build, test, publish, or pack .NET projects using the multi-stage Docker pipeline. Use when: building Docker images, running containerized tests, creating migration bundles, publishing to containers, or troubleshooting Dockerfile stages.
Scaffold a new reusable .NET library with correct naming, multi-targeting, and structure. Use when: creating a new library project, adding a reusable package, setting up a shared library under src/.
Scaffold a new ASP.NET web project (API or worker service) with correct structure, launch settings, and Docker integration. Use when: creating a new web API, adding an ASP.NET project, setting up a new web service under src/.
| name | ef-migration |
| description | Add, remove, or apply Entity Framework Core migrations against a project under src/. Use when: creating a new migration, reverting the last migration, generating a migration bundle, applying migrations to a database. |
| argument-hint | Describe the schema change (e.g., "add audit columns to Orders") and the target DbContext if multiple exist |
DbContext) is referenced by — or is itself — a runnable startup project.dotnet ef: dotnet tool restore (if a manifest exists) or dotnet tool install -g dotnet-ef.PascalCase, imperative, third person, ≤ 60 chars (e.g., AddsOrderAuditColumns, not audit_changes or Migration1).Migrations/ inside the EF project. Do not relocate.--context whenever the project has more than one.The EF project contains the DbContext; the startup project is the runnable project EF executes against (usually a web/worker referencing the EF project).
dotnet ef migrations add <PascalCaseName> \
--project src/<EFProject> \
--startup-project src/<StartupProject> \
--context <DbContextName>
*.cs and *.Designer.cs files for unintended changes (unrelated columns, dropped indices).dotnet ef migrations remove --project src/<EFProject> --startup-project src/<StartupProject>
For a deployable migration binary, use the docker-build skill's migrations target.
dotnet ef migrations script <FromMigration> <ToMigration> \
--project src/<EFProject> \
--startup-project src/<StartupProject> \
--idempotent \
--output artifacts/migrations.sql
Use --idempotent whenever the script may run against a database in an unknown state.
--startup-project explicitly; auto-detection picks the wrong project in multi-project solutions.--context <Name>.