Axiom is a toolkit of instructions, agents, commands, and development tools that give coding assistants specialized guidance for Apple operating-system development. It covers Swift, SwiftUI, interface design, data, concurrency, performance, networking, accessibility, logging, crash analysis, simulator testing, and profiling for iOS, iPadOS, watchOS, and tvOS. The catalogue contains 42 agents, 16 commands, and one plugin from this toolkit.
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 CharlesWiltgen/Axiom --skill axiom-shippinggit clone --depth 1 https://github.com/CharlesWiltgen/AxiomWrote 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/charleswiltgen/axiom/axiom-shipping)<a href="https://agentmods.dev/skills/charleswiltgen/axiom/axiom-shipping"><img src="https://agentmods.dev/badge/skills/charleswiltgen/axiom/axiom-shipping/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/charleswiltgen/axiom/axiom-shipping"><img src="https://agentmods.dev/badge/skills/charleswiltgen/axiom/axiom-shipping.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector 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 | $0.00056 | $0.05796 |
| Opus 5.5 | $0.00022 | $0.02318 |
| Sonnet 5.5 | $0.00011 | $0.01159 |
| Haiku 4.5 | $0.00006 | $0.00580 |
Grade A, and why
axiom-shipping 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 — 480 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Shipping & App Store
You MUST use this skill when preparing to submit ANY app, handling App Store rejections, or working on release workflow.
Bundled tools on Claude Code: if command -v <tool> finds nothing (hooks off or --bare), use <plugin-root>/tools/<tool> in place of the bare name; <plugin-root> is two levels above this skill's Base directory for this skill: path.
Can't launch Axiom agents? Where this router sends you to an agent, follow its procedure inline. Over MCP,
axiom_get_agentreturns it; elsewhere, read its file below, which needs only file search and read.Homed in another suite:
axiom-integration/skills/iap-auditor.md,axiom-security/skills/security-privacy-scanner.md.For any other agent, over MCP
axiom_get_agentreturns it too; run its xclog, xcsym and xcprof steps with theaxiom_xclog_*,axiom_xcsym_*andaxiom_xcprof_*tools. Elsewhere, search Axiom's skills forskills/<agent>.md; if there is none, do that work yourself with this suite's skills, using any Axiom tool on yourPATH.
When to Use
Use this skill when you encounter:
- Preparing an app for App Store submission
- App Store rejection (any guideline)
- Metadata requirements (screenshots, descriptions, keywords)
- Privacy manifest and nutrition label questions
- Age rating and content classification
- Export compliance and encryption declarations
- EU DSA trader status
- Account deletion or Sign in with Apple requirements
- Build upload and processing issues
- App Review appeals
- WWDC25/WWDC26 App Store Connect changes
- First-time submission workflow
Quick Reference
| Symptom / Task | Reference |
|---|---|
| How do I submit my app? | See skills/app-store-submission.md |
| Pre-flight checklist | See skills/app-store-submission.md |
| First-time submission | See skills/app-store-submission.md |
| Encryption compliance | See skills/app-store-submission.md |
| Accessibility Nutrition Labels | See skills/app-store-submission.md |
| Metadata field requirements | See skills/app-store-ref.md |
Product Page Header, Asset Library, search visuals OS27 |
See skills/app-store-ref.md (Part 11) |
Retention Messaging (subscription cancellation flow) OS27 |
See skills/app-store-ref.md (Part 11) |
Group / volume subscription selling (ABM, ASM, volume pricing) OS27 |
See skills/app-store-ref.md (Part 11) |
| Guideline number lookup | See skills/app-store-ref.md |
| Privacy manifest schema | See skills/app-store-ref.md |
| Age rating tiers | See skills/app-store-ref.md |
| EU DSA compliance | See skills/app-store-ref.md |
| WWDC25/WWDC26 ASC changes | See skills/app-store-ref.md |
| App was rejected | See skills/app-store-diag.md |
| Guideline 2.1/4.2/4.3 rejection | See skills/app-store-diag.md |
| Writing an appeal | See skills/app-store-diag.md |
| Repeated rejections | See skills/app-store-diag.md |
| App Review Guidelines reference | See skills/app-review-guidelines.md |
| Expert review checklist | See skills/expert-review-checklist.md |
| Crash data in App Store Connect | See skills/app-store-connect-ref.md |
| TestFlight crash reports | See skills/app-store-connect-ref.md |
| ASC metrics dashboards | See skills/app-store-connect-ref.md |
| Beta tester crash report, local Organizer crash corpus (.xccrashpoint) | See skills/testflight-triage.md |
| Production corpus triage (Sentry, ASC — multiple grouped issues) | See skills/production-triage.md + triage-analyzer agent or /axiom:triage |
| Crash log symbolication (.ips / MetricKit / .crash) | See axiom-tools (skills/xcsym-ref.md) or /axiom:analyze-crash; skills/testflight-triage.md for the full TF workflow |
| Automate App Store Connect | See skills/asc-mcp.md |
| Submit build programmatically | See skills/asc-mcp.md |
| Manage TestFlight via MCP | See skills/asc-mcp.md |
| ITMS signing error on upload | See axiom-security (skills/code-signing-diag.md) |
| Certificate/profile mismatch | See axiom-security (skills/code-signing-diag.md) |
| Code signing setup | See axiom-security (skills/code-signing.md) |
| App Clips (size tiers, invocation, AASA, launch experience) | See skills/app-clips.md |
| App Clip entitlements / size / data-sharing reference | See skills/app-clips-ref.md |
| Apple Pay / Wallet / Tap to Pay payments | See axiom-payments suite |
| Shipping update with Claude model-ID change (4.6 → 4.7, etc.) | See claude-api skill (external) + this skill for submission |
| Switching cloud AI provider in-app (OpenAI → Claude, etc.) | See claude-api skill (external) + this skill for submission |
What ships with it
11 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.
- skills/app-clips-ref.md 5.0 KB
- skills/app-clips.md 9.2 KB
- skills/app-review-guidelines.md 7.4 KB
- skills/app-store-connect-ref.md 10 KB
- skills/app-store-diag.md 51 KB
- skills/app-store-ref.md 55 KB
- skills/app-store-submission.md 32 KB
- skills/asc-mcp.md 19 KB
- skills/expert-review-checklist.md 3.9 KB
- skills/production-triage.md 25 KB
- skills/testflight-triage.md 30 KB
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 Changed 7a8642457e25
- 13d ago Changed · +2 lines fe2b6635d344
- 1mo ago Changed · +8 tokens per session 80486bbca260
- 1mo ago First seen · 478 lines · 48 tokens per session scan A c88010e8aa51
axiom-shipping is a skill published in the GitHub repository CharlesWiltgen/Axiom (1,231 stars, last pushed yesterday), licensed MIT. It adds 56 tokens to every session and 5,796 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-09-06.
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