Generate strongly-typed struct-based IDs with serialization and database support.
npx skills add https://github.com/devlooped/StructId --skill structid
Please help me install this Agent Skill. Skill: structid Source: https://github.com/devlooped/StructId/tree/main/src Command: npx skills add https://github.com/devlooped/StructId --skill structid
StructId helps you avoid “stringly-typed” and loosely-typed identifier bugs by making every ID a distinct, strongly-typed value (as a readonly partial record struct), while keeping runtime dependencies at zero through source generation.
IStructId (string-backed) and IStructId<TValue> (struct-backed) IDs using readonly partial record struct so your compiler prevents mixing IDs accidentally.INewable<TSelf> / INewable<TSelf, TValue> for consistent New(...) creation patterns (including parameterless New() for Guid and Ulid-backed IDs).[TStructId] templates and specialized per-value-type handlers using [TValue].Ask the AI: “Given I want a typed UserId(Guid) and a typed ProductId(int), show the two readonly partial record struct declarations using StructId and explain which New(...) overloads to call and how to enable EF Core and Dapper support.”
High-intent search queries and answers about installing and using this skill.
Strongly-typed identifiers prevent ID mix-ups by generating readonly partial record struct types that implement IStructId, ensuring the compiler catches accidental cross-assignment of different ID types at compile time.
Generating typed IDs without runtime dependencies is achieved via C# source generators, which emit the required readonly record struct code at compile time, keeping your deployed assembly footprint completely clean.
EF Core and Dapper serialization for strongly-typed struct IDs is enabled automatically by referencing the corresponding packages, which triggers the source generator to output the necessary converters and type handlers.
System.Text.Json and Newtonsoft.Json are fully supported with strongly-typed record struct IDs, as the source generator automatically creates the required JSON converters when it detects those referenced dependencies.
A consistent New() factory method for Guid and Ulid-backed typed IDs is implemented by applying the INewable<TSelf> or INewable<TSelf, TValue> interfaces to your readonly partial record struct declarations.
Custom templates are applied across multiple strongly-typed struct identifiers using the [TStructId] attribute for broad ID types and the [TValue] attribute for specialized per-value-type handlers.
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