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 ComeOnOliver/skillshub --skill axiom-storage-management-refgit clone --depth 1 https://github.com/ComeOnOliver/skillshubWrote 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/comeonoliver/skillshub/axiom-storage-management-ref)<a href="https://agentmods.dev/skills/comeonoliver/skillshub/axiom-storage-management-ref"><img src="https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-storage-management-ref/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/comeonoliver/skillshub/axiom-storage-management-ref"><img src="https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-storage-management-ref.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00068 | $0.04461 |
| Opus 5 | $0.00034 | $0.02230 |
| Sonnet 5 | $0.00014 | $0.00892 |
| Haiku 4.5 | $0.00007 | $0.00446 |
Grade A, and why
axiom-storage-management-ref 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 9d 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 — 615 lines — stays where its author put it; the contents beside it link to each section on GitHub.
iOS Storage Management Reference
Purpose: Comprehensive reference for storage pressure, purging policies, disk space, and URL resource values Availability: iOS 5.0+ (basic), iOS 11.0+ (modern capacity APIs) Context: Answer to "Does iOS provide any way to mark files as 'purge as last resort'?"
When to Use This Skill
Use this skill when you need to:
- Understand iOS file purging behavior
- Check available disk space correctly
- Set purge priorities for cached files
- Exclude files from backup
- Monitor storage pressure
- Mark files as purgeable
- Understand volume capacity APIs
- Handle "low storage" scenarios
The Core Question
"Does iOS provide any way to mark files as 'purge as last resort'?"
Answer: Not directly, but iOS provides two approaches:
-
Location-based purging (implicit priority):
tmp/→ Purged aggressively (anytime)Library/Caches/→ Purged under storage pressureDocuments/,Application Support/→ Never purged
-
Capacity checking (explicit strategy):
volumeAvailableCapacityForImportantUsage— For must-save datavolumeAvailableCapacityForOpportunisticUsage— For nice-to-have data- Check before saving, choose location based on available space
URL Resource Values for Storage
Complete Reference Table
| Resource Key | Type | Purpose | Availability |
|---|---|---|---|
volumeAvailableCapacityKey |
Int64 | Total available space | iOS 5.0+ |
volumeAvailableCapacityForImportantUsageKey |
Int64 | Space for essential files | iOS 11.0+ |
volumeAvailableCapacityForOpportunisticUsageKey |
Int64 | Space for optional files | iOS 11.0+ |
volumeTotalCapacityKey |
Int64 | Total volume capacity | iOS 5.0+ |
isExcludedFromBackupKey |
Bool | Exclude from iCloud/iTunes backup | iOS 5.1+ |
isPurgeableKey |
Bool | System can delete under pressure | iOS 9.0+ |
fileAllocatedSizeKey |
Int64 | Actual disk space used | iOS 5.0+ |
totalFileAllocatedSizeKey |
Int64 | Total allocated (including metadata) | iOS 5.0+ |
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.
- 9d ago First seen · 615 lines · 68 tokens per session scan A e5e629eb0b6d
axiom-storage-management-ref is a skill published in the GitHub repository ComeOnOliver/skillshub (63 stars, last pushed 2mo ago), licensed MIT. It adds 68 tokens to every session and 4,461 once invoked, about $0.0003 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 2026-09-03.
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