Individual skill

axiom-data

Use when working with ANY data persistence, database, storage, CloudKit, migration, or serialization in an Apple app. Covers SwiftData, Core Data, GRDB, SQLite, Realm, CloudKit sync, file storage, Codable, migrations.

.claude-plugin/plugins/axiom/skills/axiom-data/SKILL.md

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Scanner rules are current: No
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Observed behavior: Not checked yet
Last checked: Nov 8, 2026

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Repository context

Repository stars (not skill ratings): 1,253
Repository last updated: Nov 7, 2026
License: MIT

Observed agent integration: claude-code

data Derived category
data-databases Derived category

Files and excerpt

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SKILL.mdcore · 13,745 bytes
SKILL.mdcore · 13,745 bytes
skills/cloud-sync-diag.mddoc · 22,818 bytes
skills/cloud-sync.mddoc · 15,637 bytes
skills/cloudkit-ref.mddoc · 24,117 bytes
skills/codable-auditor.mddoc · 20,288 bytes
skills/codable.mddoc · 24,851 bytes
skills/core-data-auditor.mddoc · 14,105 bytes
skills/core-data-diag.mddoc · 39,186 bytes
skills/core-data.mddoc · 12,808 bytes
skills/database-migration.mddoc · 20,153 bytes
skills/database-schema-auditor.mddoc · 17,701 bytes
skills/grdb-app-groups.mddoc · 25,506 bytes
skills/grdb-performance-auditor.mddoc · 26,848 bytes
skills/grdb-performance.mddoc · 31,212 bytes
skills/grdb.mddoc · 26,419 bytes
skills/icloud-auditor.mddoc · 18,698 bytes
skills/icloud-drive-ref.mddoc · 13,016 bytes
skills/realm-migration-ref.mddoc · 24,663 bytes
skills/sql-json-ref.mddoc · 20,425 bytes
skills/sqlite-fts-ref.mddoc · 34,342 bytes
skills/sqlitedata-migration.mddoc · 9,950 bytes
skills/sqlitedata-ref.mddoc · 36,109 bytes
skills/sqlitedata.mddoc · 33,259 bytes
skills/storage-auditor.mddoc · 18,746 bytes
skills/storage-diag.mddoc · 15,284 bytes
skills/storage-management-ref.mddoc · 20,480 bytes
skills/storage.mddoc · 17,958 bytes
skills/swift-sharing.mddoc · 12,939 bytes
skills/swiftdata-auditor.mddoc · 16,448 bytes
skills/swiftdata-migration-diag.mddoc · 19,277 bytes
skills/swiftdata-migration.mddoc · 29,835 bytes
skills/swiftdata.mddoc · 46,009 bytes

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# Data & Persistence

**You MUST use this skill for ANY data persistence, database, storage, CloudKit, or serialization work.**

<!-- AXIOM_AUDITOR_INLINE_BEGIN — auto-maintained by scripts/build-inlined-auditors.ts; do not hand-edit -->
> **Can't launch Axiom agents?** Where this router sends you to an agent, follow its procedure inline. Over MCP, `axiom_get_agent` returns it; elsewhere, read its file below, which needs only file search and read.
>
> Available here: `skills/codable-auditor.md`, `skills/core-data-auditor.md`, `skills/database-schema-auditor.md`, `skills/grdb-performance-auditor.md`, `skills/icloud-auditor.md`, `skills/storage-auditor.md`, `skills/swiftdata-auditor.md`.
>
> For any other agent, over MCP `axiom_get_agent` returns it too; run its xclog, xcsym and xcprof steps with the `axiom_xclog_*`, `axiom_xcsym_*` and `axiom_xcprof_*` tools. Elsewhere, search Axiom's skills for `skills/<agent>.md`; if there is none, do that work yourself with this suite's skills, using any Axiom tool on your `PATH`.
<!-- AXIOM_AUDITOR_INLINE_END -->

## When to Use