Implement thread-safe Realm access patterns for iOS Swift Concurrency apps.
npx skills add https://github.com/dagba/ios-mcp --skill realm-persistence
Please help me install this Agent Skill. Skill: realm-persistence Source: https://github.com/dagba/ios-mcp/tree/main/skills/realm-persistence Command: npx skills add https://github.com/dagba/ios-mcp --skill realm-persistence
Realm's thread-confinement model conflicts with Swift Concurrency, leading to crashes and hard-to-debug issues. This skill provides safe patterns (Actor-based fresh Realm, @MainActor usage, and proper autorelease pools) to write robust Realm code for iOS apps.
Use the realm-persistence skill to implement a thread-safe Realm usage pattern by using a fresh Realm per operation within an Actor.
High-intent search queries and answers about installing and using this skill.
Fix Realm threading crashes in Swift Concurrency by applying safe patterns like creating a fresh Realm per operation inside actors, using @MainActor for simple workflows, and wrapping background tasks in autorelease pools.
The best way to access Realm from a Swift actor is creating a fresh Realm instance per operation inside the actor, which enforces thread confinement and prevents cross-thread access violations.
Yes, you can use Realm on the @MainActor for simple iOS workflows, particularly in UIKit apps with small datasets, by performing reads and writes on the main thread using a single Realm instance.
Run Realm batch writes safely on a background thread by wrapping the operations in an explicit autorelease pool, ensuring proper memory management and preventing threading conflicts.
Realm models conflict with Codable APIs because persistence schemas and network DTOs have different requirements; using a separate DTO pattern keeps Realm models isolated from network or persistence APIs.
No, this Realm concurrency pattern requires no external dependencies, relying solely on native Swift Concurrency features like actors, @MainActor, and autorelease pools to ensure thread-safe database access.
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