Apple Documentation Router
Apple bundles for-LLM markdown documentation inside Xcode. These are authoritative, up-to-date guides and diagnostics written by Apple engineers. Use them alongside Axiom skills for the most accurate information.
When to Use
Use Apple's bundled docs when:
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You need the exact API signature or behavior from Apple
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Axiom skills reference an Apple framework and you want the official source
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A Swift compiler diagnostic needs explanation
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The user asks about a specific Apple framework feature
Priority: Axiom skills provide opinionated guidance (decision trees, anti-patterns, pressure scenarios). Apple docs provide authoritative API details. Use both together.
Guide Topics (AdditionalDocumentation)
Read these with the MCP axiom_read_skill tool using the skill name.
UI & Design
Topic Skill Name
Liquid Glass in SwiftUI apple-guide-swiftui-implementing-liquid-glass-design
Liquid Glass in UIKit apple-guide-uikit-implementing-liquid-glass-design
Liquid Glass in AppKit apple-guide-appkit-implementing-liquid-glass-design
Liquid Glass in WidgetKit apple-guide-widgetkit-implementing-liquid-glass-design
SwiftUI toolbar features apple-guide-swiftui-new-toolbar-features
SwiftUI styled text editing apple-guide-swiftui-styled-text-editing
SwiftUI WebKit integration apple-guide-swiftui-webkit-integration
SwiftUI AlarmKit integration apple-guide-swiftui-alarmkit-integration
Swift Charts 3D visualization apple-guide-swift-charts-3d-visualization
Foundation AttributedString apple-guide-foundation-attributedstring-updates
Data & Persistence
Topic Skill Name
SwiftData class inheritance apple-guide-swiftdata-class-inheritance
Concurrency & Performance
Topic Skill Name
Swift concurrency updates apple-guide-swift-concurrency-updates
InlineArray and Span apple-guide-swift-inlinearray-span
Apple Intelligence
Topic Skill Name
Foundation Models (on-device LLM) apple-guide-foundationmodels-using-on-device-llm-in-your-app
System Integration
Topic Skill Name
App Intents updates apple-guide-appintents-updates
StoreKit updates apple-guide-storekit-updates
MapKit GeoToolbox apple-guide-mapkit-geotoolbox-placedescriptors
Widgets for visionOS apple-guide-widgets-for-visionos
Accessibility
Topic Skill Name
Assistive Access in iOS apple-guide-implementing-assistive-access-in-ios
Computer Vision
Topic Skill Name
Visual Intelligence in iOS apple-guide-implementing-visual-intelligence-in-ios
Swift Compiler Diagnostics
These explain specific Swift compiler errors and warnings with examples and fixes.
Concurrency Diagnostics
Diagnostic Skill Name
Actor-isolated call from nonisolated context apple-diag-actor-isolated-call
Conformance isolation apple-diag-conformance-isolation
Isolated conformances apple-diag-isolated-conformances
Nonisolated nonsending by default apple-diag-nonisolated-nonsending-by-default
Sendable closure captures apple-diag-sendable-closure-captures
Sendable metatypes apple-diag-sendable-metatypes
Sending closure risks data race apple-diag-sending-closure-risks-data-race
Sending risks data race apple-diag-sending-risks-data-race
Mutable global variable apple-diag-mutable-global-variable
Preconcurrency import apple-diag-preconcurrency-import
Type System Diagnostics
Diagnostic Skill Name
Existential any apple-diag-existential-any
Existential member access limitations apple-diag-existential-member-access-limitations
Nominal types apple-diag-nominal-types
Multiple inheritance apple-diag-multiple-inheritance
Protocol type non-conformance apple-diag-protocol-type-non-conformance
Opaque type inference apple-diag-opaque-type-inference
Build & Migration Diagnostics
Diagnostic Skill Name
Deprecated declaration apple-diag-deprecated-declaration
Error in future Swift version apple-diag-error-in-future-swift-version
Strict language features apple-diag-strict-language-features
Strict memory safety apple-diag-strict-memory-safety
Implementation only deprecated apple-diag-implementation-only-deprecated
Member import visibility apple-diag-member-import-visibility
Missing module on known paths apple-diag-missing-module-on-known-paths
Clang declaration import apple-diag-clang-declaration-import
Availability unrecognized name apple-diag-availability-unrecognized-name
Unknown warning group apple-diag-unknown-warning-group
Swift Language Diagnostics
Diagnostic Skill Name
Dynamic callable requirements apple-diag-dynamic-callable-requirements
Property wrapper requirements apple-diag-property-wrapper-requirements
Result builder methods apple-diag-result-builder-methods
String interpolation conformance apple-diag-string-interpolation-conformance
Trailing closure matching apple-diag-trailing-closure-matching
Temporary pointers apple-diag-temporary-pointers
Routing Decision Tree
User question about Apple API/framework? ├── Specific compiler error/warning → Read matching apple-diag-* skill ├── Liquid Glass implementation → Read apple-guide--liquid-glass-design (SwiftUI/UIKit/AppKit) ├── Swift concurrency patterns → Read apple-guide-swift-concurrency-updates ├── Foundation Models / on-device AI → Read apple-guide-foundationmodels- ├── SwiftData features → Read apple-guide-swiftdata-* ├── StoreKit / IAP → Read apple-guide-storekit-updates ├── App Intents / Siri → Read apple-guide-appintents-updates ├── Charts / visualization → Read apple-guide-swift-charts-3d-visualization ├── Text editing / AttributedString → Read apple-guide-swiftui-styled-text-editing or apple-guide-foundation-attributedstring-updates ├── WebKit in SwiftUI → Read apple-guide-swiftui-webkit-integration ├── Toolbar features → Read apple-guide-swiftui-new-toolbar-features └── Other → Search with axiom_search_skills using source filter "apple"
Resources
Skills: axiom-ios-ui, axiom-ios-concurrency, axiom-ios-data, axiom-ios-ai, axiom-ios-integration