Mantle/Mantle

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

11255 stars · 1465 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Mantle is an Objective-C model framework for Cocoa and Cocoa Touch that simplifies writing model objects by reducing boilerplate for JSON deserialization, serialization, and NSCoding/NSCopying support. It provides a base model class with automatic key mapping and value transformation.

Use cases

• map JSON API responses to Objective-C model objects
• reduce boilerplate in iOS model classes
• implement NSCoding and NSCopying without repetitive code
• deserialize nested JSON dictionaries into typed models
• serialize models back to JSON for persistence or networking

When to choose

• you maintain an Objective-C Cocoa or Cocoa Touch app with a JSON-backed model layer
• you want battle-tested JSON-to-model mapping without hand-writing initializers
• your project already uses CocoaPods, Carthage, or SPM and needs a lightweight model framework

When to avoid

• you are starting a new Swift project - Swift's Codable is the modern standard
• you need cross-platform serialization outside Apple ecosystems
• you require active development or frequent updates - the project is in maintenance mode

Facets

library · maturity maintenance

serialization developer-tools developer-tools mobile-development web-development cpp objective-c model-layer json-mapping cocoa cocoa-touch boilerplate-reduction macos ios swift

Member repositories

For agents

markdown · JSON · MCP: product_card(name="Mantle/Mantle")