Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add dpearson2699/swift-ios-skills --skill swiftdatagit clone --depth 1 https://github.com/dpearson2699/swift-ios-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/dpearson2699/swift-ios-skills/swiftdata)<a href="https://agentmods.dev/skills/dpearson2699/swift-ios-skills/swiftdata"><img src="https://agentmods.dev/badge/skills/dpearson2699/swift-ios-skills/swiftdata/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/dpearson2699/swift-ios-skills/swiftdata"><img src="https://agentmods.dev/badge/skills/dpearson2699/swift-ios-skills/swiftdata.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00106 | $0.03812 |
| Opus 5 | $0.00053 | $0.01906 |
| Sonnet 5 | $0.00021 | $0.00762 |
| Haiku 4.5 | $0.00011 | $0.00381 |
Grade A, and why
swiftdata scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
let trips = try modelContext.fetch(FetchDescriptor<Trip>( The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
What ships with it
6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 386 lines · 106 tokens per session scan A 122f416a02a5
swiftdata is a skill published in the GitHub repository dpearson2699/swift-ios-skills (1,086 stars, last pushed 1mo ago), with no licence file. It adds 106 tokens to every session and 3,812 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
Other skills, from other repositories
swiftdata-persistence
Design and review SwiftData schemas, queries, migrations, isolation, CloudKit assumptions, offline behavior, and deterministic persistence tests.
data-persistence
Wire up SwiftData models, queries, and cross-screen state after screens are built with placeholder content. Use this skill when screens look right but have no real data, when you need to define your data models, or when you need to ensure state updates propagate across the app. Typically done as a single focused…
persistence-setup
Generates SwiftData or CoreData persistence layer with optional iCloud sync. Use when user wants to add local storage, data persistence, or cloud sync.
mobile-responsive-qa
Verify phone/tablet input and navigation flows.
frappe-sql
Frappe-native SQL and ORM guidance for frappe.db, Query Builder, tab{DocType} tables, permission-sensitive queries, and raw SQL review. Use when writing or reviewing database access in Frappe.
core-data-migrations
Core Data model versioning and migration — when a new .xcdatamodel version is required, what lightweight migration actually supports, renaming and retiring attributes without losing data, and how to verify a migration before shipping it. Use when changing an existing Core Data model, adding a model version, renaming…