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 TalissonVitorino/kmp-ios-skills --skill financekitgit clone --depth 1 https://github.com/TalissonVitorino/kmp-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/talissonvitorino/kmp-ios-skills/financekit)<a href="https://agentmods.dev/skills/talissonvitorino/kmp-ios-skills/financekit"><img src="https://agentmods.dev/badge/skills/talissonvitorino/kmp-ios-skills/financekit/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/talissonvitorino/kmp-ios-skills/financekit"><img src="https://agentmods.dev/badge/skills/talissonvitorino/kmp-ios-skills/financekit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 6 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 149 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- medium Rogue Agent · line 19 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium Rogue Agent · line 32 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium Rogue Agent · line 35 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium Rogue Agent · line 259 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium Rogue Agent · line 268 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
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 | $0.00240 | $0.03923 |
| Opus 5 | $0.00120 | $0.01962 |
| Sonnet 5 | $0.00048 | $0.00785 |
| Haiku 4.5 | $0.00024 | $0.00392 |
Grade A, and why
financekit scanned grade A with 0 findings 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 11d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 271 lines — stays where its author put it; the contents beside it link to each section on GitHub.
FinanceKit (iOS / iPadOS)
Read-only access to a person's Apple Wallet financial data — accounts, balances, transactions, and orders — with explicit per-account consent. All data is on-device; no network is involved in a query. Grounded in Apple's FinanceKit and FinanceKitUI frameworks.
- Availability: U.S. iOS 17.4+ (Apple Card, Apple Cash, Savings); U.K. iOS 18.4+ (Open Banking "connected" cards/accounts). Background delivery extension is iOS 26+.
- Access is gated, not free: you must request the managed
com.apple.developer.financekitentitlement from Apple (org-level account, approved use case) before any API returns data. - Sibling skills: persist anything you fetch with
swift-security(neverUserDefaults); model/compute amounts withkmp-money; format for display withswift-formatstyle. Apple Pay & passes arepasskit, not FinanceKit.
Contents
- Entitlement & Info.plist
- Authorization & availability
- Data model
- Querying accounts, balances, transactions
- Predicates
- Incremental change tracking (history)
- TransactionPicker (FinanceKitUI)
- Wallet orders
- Background delivery (iOS 26)
- Correctness checklist
- Depth:
references/history-and-background.md,references/predicates-and-model.md
Entitlement & Info.plist
- Entitlement:
com.apple.developer.financekit— a managed entitlement. Apply through your Apple Developer account; approval is required and gated on eligibility (see "Get started with FinanceKit"). Without it,requestAuthorization()fails as not-entitled. - Info.plist:
NSFinancialDataUsageDescription(String) — required; missing it crashes the authorization request. Explain plainly what the app does with the data (e.g. "Categorizes your Apple Card transactions to show monthly spending."). - Orders APIs (
saveOrder/containsOrder) work from iOS 17.0 and do not require the financial-data authorization; account/balance/transaction reads do. import FinanceKitfor the store and models;import FinanceKitUIforTransactionPicker.
What ships with it
2 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.
- 11d ago First seen · 271 lines · 240 tokens per session scan A 3a8d6b315018
financekit is a skill published in the GitHub repository TalissonVitorino/kmp-ios-skills (12 stars, last pushed 16d ago), licensed MIT. It adds 240 tokens to every session and 3,923 once invoked, about $0.0012 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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