CategoryWeightCategory scoreContribution
Securityprompt, exec, net, exfil, eval
35%
35.0 pts
Supply chainhash, typosquat, maintainer, lockfile
20%
20.0 pts
Maintenancestaleness, pinning, CI
15%
15.0 pts
TransparencySKILL.md, perms, README
15%
15.0 pts
Communityinstalls, verify, response
15%
15.0 pts
Findings & checks · 0 flagged
Security
✓—All security checks passedNo findings in this category for the latest scan.pass
Supply chain
✓—All supply chain checks passedNo findings in this category for the latest scan.pass
Maintenance
✓—All maintenance checks passedNo findings in this category for the latest scan.pass
Transparency
✓—All transparency checks passedNo findings in this category for the latest scan.pass
Community
✓—All community checks passedNo findings in this category for the latest scan.pass
Every scanned point with the score it earned and what moved between them.
3507e49→3507e49100 → 100±0
Aggregate score unchanged between these scans.
Computing diff…
The primary manifest — the file an agent reads to learn what this artifact does.
Apple Text
Agent Skills for Apple's text stack: TextKit 1 and 2, UITextView, NSTextView, AttributedString, Core Text, Writing Tools, and the iOS 26 SwiftUI TextEditor.
Install
# Any agent (Vercel skills CLI)
npx skills add sitapix/apple-text
# Claude Code
/plugin marketplace add sitapix/apple-text
/plugin install apple-text@apple-textFor Claude Code installs, prefix slash commands with apple-text: (e.g., /apple-text:txt-audit).
Skills
Diagnostics
| Skill | Covers |
|---|---|
| txt-audit | Severity-ranked code review |
| txt-textkit-debug | Symptom-driven diagnosis |
| txt-fallback-triggers | TextKit 2→1 fallback catalog |
| txt-snippets | Quick recipes |
Picking an API
| Skill | Covers |
|---|---|
| txt-view-picker | Which text view to use |
| txt-textkit-choice | TextKit 1 vs 2 |
| txt-attributed-string | AttributedString vs NSAttributedString |
| txt-appkit-vs-uikit | NSTextView vs UITextView |
| txt-swiftui-texteditor | iOS 26 SwiftUI TextEditor |
TextKit & layout
| Skill | Covers |
|---|---|
| txt-textkit1 | TextKit 1 reference |
| txt-textkit2 | TextKit 2 reference |
| txt-nstextstorage | NSTextStorage subclassing |
| txt-viewport-rendering | Viewport, fragments, rendering attributes |
| txt-layout-invalidation | The invalidation model |
| txt-exclusion-paths | Wrapping around shapes, multi-column |
| txt-line-breaking | Hyphenation, truncation, paragraph spacing |
| txt-measurement | boundingRect, sizeThatFits |
| txt-core-text | Glyph-level access |
Attributes & content
| Skill | Covers |
|---|---|
| txt-attribute-keys | NSAttributedString.Key catalog |
| txt-attachments | Inline images, Genmoji |
| txt-markdown | Markdown in SwiftUI Text and AttributedString |
| txt-colors | Text colors, dark mode, HDR |
| txt-detectors-tagger | NSDataDetector, NLTagger, NLTokenizer |
Editing & input
| Skill | Covers |
|---|---|
| txt-uitextinput | UITextInput / NSTextInputClient |
| txt-selection-menus | Selection UI, edit menus, gestures |
| txt-find-replace | UIFindInteraction, NSTextFinder |
| txt-spell-autocorrect | UITextChecker, NSSpellChecker |
| txt-undo | NSUndoManager grouping |
| txt-pasteboard | Copy/cut/paste, format stripping |
| txt-drag-drop | UITextDraggable, UITextDroppable |
| txt-bidi | RTL, bidirectional text |
| txt-regex | Swift Regex vs NSRegularExpression |
SwiftUI bridging
| Skill | Covers |
|---|---|
| txt-swiftui-interop | What crosses the SwiftUI/TextKit boundary |
| txt-wrap-textview | UIViewRepresentable around UITextView/NSTextView |
Modern & maintenance
| Skill | Covers |
|---|---|
| txt-writing-tools | UIWritingToolsCoordinator, behavior, ignored ranges |
| txt-dynamic-type | UIFontMetrics, adjustsFontForContentSizeCategory |
| txt-accessibility | VoiceOver, accessibilityTextualContext |
| txt-apple-docs | Sosumi + xcrun mcpbridge |
| txt-refresh-against-sosumi | Refresh latest-apis.md after Xcode releases |
Example prompts
Phrasings that route to the right skill, including ones that don't name the API.
Diagnose a bug
| Prompt | Triggers |
|---|---|
| "Writing Tools stopped showing the inline rewrite animation — only the floating panel opens now. Started after we added a custom NSTextStorage." | txt-fallback-triggers |
| "Lines in our editor sometimes render half-drawn — descenders chopped, characters bleeding into the next paragraph." | txt-textkit-debug |
| "Cursor jumps to the end every time my SwiftUI binding pushes new text into the wrapped UITextView." | txt-wrap-textview |
| "Cmd-Z undoes one character at a time after a paste — should be one step." | txt-undo |
| "Diacritics get clipped at the top of my custom NSTextLayoutFragment." | txt-viewport-rendering |
| "boundingRect returns a single-line size for multi-line text." | txt-measurement |
| "Cursor jumps unpredictably when I type Arabic mixed with English." | txt-bidi |
| "VoiceOver skips punctuation in our code editor." | txt-accessibility |
Pick an API
| Prompt | Triggers |
|---|---|
| "Starting a new code editor — TextKit 1 or TextKit 2?" | txt-textkit-choice |
| "AttributedString or NSAttributedString for a notes-app model?" | txt-attributed-string |
| "Multi-line search box in SwiftUI — TextField or TextEditor?" | txt-view-picker |
| "Porting our Mac editor to iPad — what AppKit features have no UIKit equivalent?" | txt-appkit-vs-uikit |
Build a feature
| Prompt | Triggers |
|---|---|
| "How do I add a placeholder to UITextView?" | txt-snippets |
| "Wrap article text around an inline circular thumbnail." | txt-exclusion-paths |
| "Add cmd-F find UI to my UITextView with replace-all." | txt-find-replace |
| "Drop an image into my editor as an inline attachment." | txt-drag-drop |
| "Rewrite is mangling code blocks in our doc editor — protect them from Writing Tools." | txt-writing-tools |
| "Bind AttributedString to TextEditor on iOS 26 with a formatting toolbar." | txt-swiftui-texteditor |
| "Building a canvas-based code editor and the keyboard / autocorrect / magnifier are wrong." | txt-uitextinput |
Audit and maintenance
| Prompt | Triggers |
|---|---|
| "Review our text-editor module before we ship — flag fallback risks and deprecated APIs." | txt-audit |
| "Refresh the skills against current Apple docs now that Xcode 26.4 is out." | txt-refresh-against-sosumi |
"Look up the current AttributedString(markdown:) initializer signature." | txt-apple-docs |
Contributing
AGENTS.md covers authoring rules, anti-patterns, and the freshness contract. references/topic-boundaries.md explains sibling splits. Skill content links to sosumi.ai instead of developer.apple.com (the latter renders with JavaScript and returns a stub to non-browser fetches).