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 agentmods add skills/yanxreal/xcode-mpc/xcode-packagenpx skills add YanxReal/Xcode-MPC --skill xcode-packagegit clone --depth 1 https://github.com/YanxReal/Xcode-MPCWhat 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 | $0.00080 | $0.00918 |
| Opus 5 | $0.00040 | $0.00459 |
| Sonnet 5 | $0.00016 | $0.00184 |
| Haiku 4.5 | $0.00008 | $0.00092 |
Grade C, and why
xcode-package 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 yesterday.
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.
- `package_reset_cache` — `xcodebuild -resetPackageCaches` + `rm -rf ~/Library/Caches/org.swift.swiftpm` + `find DerivedData/SourcePackages` How it starts
The opening of the file, as written. The whole thing — 65 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Xcode Package Management
Covers SPM (6) + CocoaPods/Carthage (4) + migrate (1) — 11 tools for all package managers.
Tools
SPM (6):
package_resolve—swift package resolvevsxcodebuild -resolvePackageDependencies(auto-detectsPackage.swiftvs.xcworkspace/.xcodeproj)package_update—swift package updatevsxcodebuild -updatePackageDependenciespackage_list_dependencies—swift package show-dependencies --format jsonpackage_read_resolved— readsPackage.resolved(v1/v2/v3) →{version, totalDependencies, pins:[{identity,location,version,revision}]}package_reset_cache—xcodebuild -resetPackageCaches+rm -rf ~/Library/Caches/org.swift.swiftpm+find DerivedData/SourcePackagespackage_compute_checksum—swift package compute-checksum <zip>
SPM Editing (2):
spm_add_dependency— injects.package(url: "...", from: "...")intodependencies:[]inPackage.swift(regex, preserves formatting)spm_remove_dependency— removes line containingdependencyUrlOrName+ cleans trailing,
CocoaPods/Carthage (3):
cocoapods_manage—pod install|update|deintegrate|outdated [--repo-update](checksPodfile+which pod)carthage_manage—carthage update|bootstrap|build --platform --use-xcframeworks(checksCartfile)cocoapods_to_spm_migrate— parsesPodfile(pod 'SnapKit', '~> 5.0'→.upToNextMajor,pod 'Alamofire', '5.8.0'→exact,:git =>→ custom URL), supportsdryRunpreview + injects intoPackage.swift.
Workflows
SPM Resolve → Inspect:
package_resolve {projectPath:".../MyApp.xcodeproj"}
→ package_list_dependencies {packageDirectory:"..."}
→ package_read_resolved {resolvedFilePath:".../Package.resolved"}
Add/Remove:
spm_add_dependency {packageSwiftPath:".../Package.swift", url:"https://github.com/Alamofire/Alamofire.git", requirement:"from: \\"5.8.0\\""}
→ spm_remove_dependency {packageSwiftPath:"...", dependencyUrlOrName:"Alamofire"}
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.
- yesterday First seen · 65 lines · 0 tokens per session scan C e4d28f9f5003
xcode-package is a skill published in the GitHub repository YanxReal/Xcode-MPC (1 stars, last pushed yesterday), licensed MIT. It adds 80 tokens to every session and 918 once invoked, about $0.0004 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 2026-08-31.
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