Individual skill

orchardcore-data-migrations

Skill for creating data migrations in Orchard Core. Covers content type migrations, YesSql index table creation, adding SQL indexes to existing tables, schema alterations, column rules and SQLite or MySQL provider quirks, patching existing content item JSON in batches, replacing a part on every content type, recipe migrations with IRecipeMigrator, data seeding, uninstall, AddDataMigration registration, and the migration version chain with skipped versions. Use this skill when requests mention Orchard Core Data Migrations, Migration with Custom Content Part and Fields, Migration with YesSql Index Table, Incremental Migration (UpdateFrom), or closely related Orchard Core implementation, setup, extension, or troubleshooting work. Strong matches include work with OrchardCore.ContentManagement.Metadata, OrchardCore.Data.Migration, DataMigration, IDataMigration, AddDataMigration, IRecipeMigrator, IContentDefinitionManager, SchemaBuilder, CreateIndex, WithPart.

plugins/orchardcore/skills/orchardcore-data-migrations/SKILL.md

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Last checked: Nov 6, 2026

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Repository stars (not skill ratings): 13
Repository last updated: Oct 21, 2026
License: MIT

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agent-skills Repository topic
ai Repository topic
ai-agents-framework Repository topic
dotnet Repository topic
mcp Repository topic
mcp-server Repository topic
orchardcore Repository topic
data Derived category
writing Derived category
data-databases Derived category

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SKILL.mdcore · 20,372 bytes
references/data-migrations-examples.mddoc · 3,613 bytes

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# Orchard Core Data Migrations - Prompt Templates

## Create Data Migrations

You are an Orchard Core expert. Generate data migration code for Orchard Core modules.

### Guidelines

- Data migrations inherit from `DataMigration`.
- Place migrations in a `Migrations` folder in the feature project.
- Name migration classes clearly and keep them `internal sealed`.
- Migrations define content types, parts, fields, and database indexes.
- Use `CreateAsync()` for initial migration, `UpdateFrom1Async()`, `UpdateFrom2Async()` for incremental updates.
- `Create`, `CreateAsync`, `UpdateFromX`, `UpdateFromXAsync`, `Uninstall`, and `UninstallAsync` can be marked `static` when they do not use injected services, inherited instance members, or other instance state.