You MUST use this skill for ANY data persistence, database, axiom-storage, CloudKit, or serialization work.
Works with
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionaxiom-ios-dataExecute the skills CLI command in your project's root directory to begin installation:
Fetches axiom-ios-data from charleswiltgen/axiom and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate axiom-ios-data. Access via /axiom-ios-data in your agent's command palette.
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
Submit your Claude Code skill and start earning
Create detailed user stories, acceptance criteria, and feature specs
Example
Generate user stories for 'password reset feature' with acceptance criteria, edge cases, and test scenarios
Reduce spec writing time by 50%, ensure comprehensive coverage
Research competitors, compare features, identify gaps
Example
Analyze 5 competitor products, create feature comparison matrix, suggest differentiation opportunities
Complete competitive research in 2 hours instead of 2 days
Evaluate features using frameworks (RICE, ICE, Kano) and create prioritized backlogs
Example
Score 20 feature ideas using RICE framework, generate prioritized roadmap with rationale
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You MUST use this skill for ANY data persistence, database, axiom-storage, CloudKit, or serialization work.
Use this router when working with:
Working with SwiftData → /skill axiom-swiftdata
Schema migration → /skill axiom-swiftdata-migration
Migration issues → /skill axiom-swiftdata-migration-diag
Migrating from Realm → /skill axiom-realm-migration-ref
SwiftData vs SQLiteData → /skill axiom-sqlitedata-migration
GRDB queries → /skill axiom-grdb
SQLiteData → /skill axiom-sqlitedata
Advanced SQLiteData → /skill axiom-sqlitedata-ref
Core Data patterns → /skill axiom-core-data
Core Data issues → /skill axiom-core-data-diag
Database migration safety → /skill axiom-database-migration (critical - prevents data loss)
Codable issues → /skill axiom-codable
Cloud sync patterns → /skill axiom-cloud-sync
CloudKit → /skill axiom-cloudkit-ref
iCloud Drive → /skill axiom-icloud-drive-ref
Cloud sync errors → /skill axiom-cloud-sync-diag
Keychain / secure credential storage → /skill axiom-keychain
Keychain errors → /skill axiom-keychain-diag
Keychain API reference → /skill axiom-keychain-ref
Encryption / signing / key management → /skill axiom-cryptokit
CryptoKit API reference → /skill axiom-cryptokit-ref
Storage strategy → /skill axiom-storage
Storage issues → /skill axiom-storage-diag
Storage management → /skill axiom-storage-management-ref
File protection → /skill axiom-file-protection-ref
tvOS data persistence → /skill axiom-tvos (CRITICAL: no persistent local storage on tvOS)
tvOS + CloudKit → /skill axiom-sqlitedata (recommended: SyncEngine as persistent store)
Core Data audit → Launch core-data-auditor agent or /axiom:audit core-data (migration risks, thread-confinement, N+1 queries, production data loss)
Codable audit → Launch codable-auditor agent or /axiom:audit codable (try? swallowing errors, JSONSerialization, date handling)
iCloud audit → Launch icloud-auditor agent or /axiom:audit icloud (entitlement checks, file coordination, CloudKit anti-patterns)
Storage audit → Launch storage-auditor agent or /axiom:audit storage (wrong file locations, missing backup exclusions, data loss risks)
| Thought | Reality |
|---|---|
| "Just adding a column, no migration needed" | Schema changes without migration crash users. database-migration prevents data loss. |
| "I'll handle the migration manually" | Manual migrations miss edge cases. database-migration covers rollback and testing. |
| "Simple query, I don't need the skill" | Query patterns prevent N+1 and thread-safety issues. The skill has copy-paste solutions. |
| "CloudKit sync is straightforward" | CloudKit has 15+ failure modes. cloud-sync-diag diagnoses them systematically. |
| "I know Codable well enough" | Codable has silent data loss traps (try? swallows errors). codable skill prevents production bugs. |
| "I'll use local storage on tvOS" | tvOS has NO persistent local storage. System deletes Caches at any time. axiom-tvos explains the iCloud-first pattern. |
| "UserDefaults is fine for this token" | UserDefaults is unencrypted, backed up to iCloud, and visible to MDM profiles. One audit catches it. keychain stores tokens securely. |
| "I'll encrypt it myself with CommonCrypto" | CryptoKit replaced CommonCrypto's buffer-management nightmares with one-line APIs. cryptokit prevents misuse. |
ALWAYS invoke /skill axiom-database-migration when adding/modifying database columns.
This prevents:
User: "I need to add a column to my SwiftData model"
→ Invoke: /skill axiom-database-migration (critical - prevents data loss)
User: "How do I query SwiftData with complex filters?"
→ Invoke: /skill axiom-swiftdata
User: "CloudKit sync isn't working"
→ Invoke: /skill axiom-cloud-sync-diag
User: "Should I use SwiftData or SQLiteData?"
→ Invoke: /skill axiom-sqlitedata-migration
User: "Check my Core Data code for safety issues"
→ Invoke: core-data-auditor agent
User: "Scan for Codable anti-patterns before release"
→ Invoke: codable-auditor agent
User: "Audit my iCloud sync implementation"
→ Invoke: icloud-auditor agent
User: "Check if my files are stored in the right locations"
→ Invoke: storage-auditor agent
User: "How do I persist data on tvOS?"
→ Invoke: /skill axiom-tvos + /skill axiom-sqlitedata
User: "My tvOS app loses data between launches"
→ Invoke: /skill axiom-tvos
User: "How do I store an auth token securely?"
→ Invoke: /skill axiom-keychain
User: "errSecDuplicateItem but I checked and the item doesn't exist"
→ Invoke: /skill axiom-keychain-diag
User: "How do I encrypt data with AES in Swift?"
→ Invoke: /skill axiom-cryptokit
User: "I need to sign data with the Secure Enclave"
→ Invoke: /skill axiom-cryptokit
User: "What's ML-KEM and should I use it?"
→ Invoke: /skill axiom-cryptokit
Make data-driven prioritization decisions faster
Draft PRDs, status updates, and stakeholder presentations
Example
Create executive summary of Q3 roadmap, monthly progress report, feature launch announcement
Save 3-5 hours/week on communication overhead
Prerequisites
Time Estimate
30-60 minutes to see productivity improvements
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use for user story writing, competitive research, roadmap prioritization, stakeholder communication, and PRD drafting. Best for reducing repetitive documentation and research work.
✗ Avoid when
Avoid for strategic product vision (requires deep customer empathy), pricing decisions (needs market and financial expertise), or when face-to-face customer discovery is more valuable than speed.
mattpocock/skills
parcadei/continuous-claude-v3
cursor/plugins
ailabs-393/ai-labs-claude-skills
ailabs-393/ai-labs-claude-skills
pproenca/dot-skills
Keeps context tight: axiom-ios-data is the kind of skill you can hand to a new teammate without a long onboarding doc.
axiom-ios-data is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
axiom-ios-data fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
axiom-ios-data has been reliable in day-to-day use. Documentation quality is above average for community skills.
axiom-ios-data fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
Keeps context tight: axiom-ios-data is the kind of skill you can hand to a new teammate without a long onboarding doc.
axiom-ios-data has been reliable in day-to-day use. Documentation quality is above average for community skills.
axiom-ios-data has been reliable in day-to-day use. Documentation quality is above average for community skills.
Solid pick for teams standardizing on skills: axiom-ios-data is focused, and the summary matches what you get after install.
Keeps context tight: axiom-ios-data is the kind of skill you can hand to a new teammate without a long onboarding doc.
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