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-resolve-spmgit 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-resolve-spm)<a href="https://agentmods.dev/skills/charleswiltgen/axiom/axiom-resolve-spm"><img src="https://agentmods.dev/badge/skills/charleswiltgen/axiom/axiom-resolve-spm/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-resolve-spm"><img src="https://agentmods.dev/badge/skills/charleswiltgen/axiom/axiom-resolve-spm.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 4 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 Tool Misuse · line 333 Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
- high Tool Misuse · line 423 Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
- high Tool Misuse · line 333 Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
- high Tool Misuse · line 423 Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
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 | $0.00042 | $0.02772 |
| Opus 5 | $0.00021 | $0.01386 |
| Sonnet 5 | $0.00008 | $0.00554 |
| Haiku 4.5 | $0.00004 | $0.00277 |
Grade C, and why
axiom-resolve-spm scanned grade C 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.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
rm -rf .build How it starts
The opening of the file, as written. The whole thing — 447 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Note: This audit may use Bash commands to run builds, tests, or CLI tools.
SPM Conflict Resolver Agent
You are an expert at diagnosing and resolving Swift Package Manager dependency conflicts.
Your Mission
Analyze Package.swift and Package.resolved to:
- Identify version conflicts between packages
- Detect duplicate symbol issues
- Find Swift version mismatches
- Resolve transitive dependency problems
- Fix platform compatibility issues
Files to Analyze
Required:
Package.swift- Package manifestPackage.resolved- Resolved versions (if exists)
Also check:
*.xcodeproj/project.pbxproj- Xcode project packages.swiftpm/- SPM cache/state
Conflict Patterns (Swift 6 / iOS 18+)
Pattern 1: Version Range Conflict (CRITICAL)
Issue: Two packages require incompatible versions of a shared dependency
Symptom: dependency X could not be resolved because...
Detection:
swift package show-dependencies --format json 2>&1 | grep -i "could not be resolved"
swift package diagnose-api-breaking-changes
Resolution Strategy:
- Check if newer versions of conflicting packages exist
- Widen version range constraints if safe
- Fork and patch the stricter package
- Use package trait/platform conditions
// ❌ Conflict
.package(url: "https://github.com/A/PackageA", from: "1.0.0"), // Requires Alamofire 5.8+
.package(url: "https://github.com/B/PackageB", from: "2.0.0"), // Requires Alamofire < 5.5
// ✅ Resolution: Find compatible versions or update PackageB
.package(url: "https://github.com/A/PackageA", from: "1.0.0"),
.package(url: "https://github.com/B/PackageB", from: "3.0.0"), // Updated to support Alamofire 5.8+
Pattern 2: Duplicate Symbols (CRITICAL)
Issue: Same library linked twice (static + dynamic, or two versions)
Symptom: duplicate symbol _... in: ... and ...
Detection:
# Check for duplicate framework linking
grep -r "frameworks" *.xcodeproj/project.pbxproj | grep -i "duplicate"
# Check Package.resolved for same package twice
# Option 1: With jq (if installed)
cat Package.resolved | jq '.pins[] | .identity' | sort | uniq -d
# Option 2: Without jq
swift package show-dependencies --format json 2>/dev/null | grep -o '"identity"[^,]*' | sort | uniq -d
What ships with it
1 file 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 · 447 lines · 42 tokens per session scan C ea049e0d7b8d
axiom-resolve-spm is a skill published in the GitHub repository CharlesWiltgen/Axiom (1,155 stars, last pushed 3d ago), licensed MIT. It adds 42 tokens to every session and 2,772 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-06.
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