spacetimedb-csharp

SKILL.md

This skill provides comprehensive guidance for building C# server-side modules and Unity/C# clients that connect to SpacetimeDB.

| Missing partial keyword | public partial struct Table | Generated code won't compile | | ctx.Db.player (lowercase) | ctx.Db.Player (PascalCase) | Property not found | | Optional | string? | Type not found | | ctx.Db.Table.Get(id) | ctx.Db.Table.Id.Find(id) | Method not found | | Wrong .csproj name | StdbModule.csproj | Publish fails silently |

| .NET 9 SDK | .NET 8 SDK only | WASI compilation fails | | Missing WASI workload | dotnet workload install wasi-experimental | Build fails | | [Procedure] attribute | Reducers only | Procedures not supported in C# | | Missing Public = true | Add to [Table] attribute | Clients can't subscribe |

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