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npx skills add ...
Documentation
SKILL.md
npx skills add charleswiltgen/axiom --skill axiom-networking
Use when implementing or debugging ANY network connection, API call, or socket in an Apple app. Covers URLSession, Network.framework, NetworkConnection, connection diagnostics.
npx skills add charleswiltgen/axiom --skill axiom-networking
You MUST use this skill for ANY networking work including HTTP requests, WebSockets, TCP connections, or network debugging.
Auditors are skills here. Where this router says "Launch
some-auditoragent", invoke the matching Codex skill instead — same procedure, no Claude Code agent required.Available:
axiom-audit-networking.The ones that shell out — builds, tests, simulators, crash symbolication — need shell access to run.
| Symptom / Task | Reference |
|---|---|
| URLSession with structured concurrency | See skills/networking-discipline.md |
| Network.framework anti-patterns | See skills/networking-discipline.md |
| Deprecated API migration | See skills/networking-discipline.md |
gRPC Swift — typed RPC, streaming, .proto codegen (WWDC 2026) | See skills/networking-discipline.md |
| Pressure scenarios (reachability, sockets) | See skills/networking-discipline.md |
| NetworkConnection (iOS 26+) API reference | See skills/network-framework-ref.md |
| NWConnection (iOS 12-18) API reference | See skills/network-framework-ref.md |
| TLV framing, Coder protocol | See skills/network-framework-ref.md |
| NetworkListener, NetworkBrowser, Wi-Fi Aware | See skills/network-framework-ref.md |
| Connection timeouts, TLS failures | See skills/networking-diag.md |
| Data not arriving, connection drops | See skills/networking-diag.md |
| ATS / HTTP / App Store rejection | See skills/networking-diag.md |
| Production crisis diagnosis | See skills/networking-diag.md |
| NWConnection patterns (iOS 12-18) | See skills/networking-legacy.md |
| UDP batch, NWListener, NWBrowser | See skills/networking-legacy.md |
| BSD sockets → NWConnection migration | See skills/networking-migration.md |
| Push/calls on networks without internet (Local Push Connectivity, NEAppPushProvider) | Use axiom-integration (skills/local-push-connectivity.md) |
| NWConnection → NetworkConnection migration | See skills/networking-migration.md |
| URLSession StreamTask → NetworkConnection | See skills/networking-migration.md |
skills/networking-discipline.mdskills/network-framework-ref.mdskills/networking-legacy.mdskills/networking-migration.mdskills/networking-diag.mdskills/networking-discipline.md)skills/networking-diag.md + networking-auditor/skill axiom-securityWhen user has invested significant time in custom implementation:
Do NOT capitulate to sunk cost pressure. The correct approach is:
Networking (skills/networking-discipline.md):
Network Framework Reference (skills/network-framework-ref.md):
Diagnostics (skills/networking-diag.md):
Legacy (skills/networking-legacy.md):
Networking audit → axiom-audit-networking (deprecated APIs, anti-patterns, and completeness gaps — transition handling, TLS coverage, connection cleanup, framework selection)
| Thought | Reality |
|---|---|
| "URLSession is simple, I don't need a skill" | URLSession with structured concurrency has async/cancellation patterns. skills/networking-discipline.md covers them. |
| "I'll debug the connection timeout myself" | Connection failures have 8 causes (DNS, TLS, proxy, cellular). skills/networking-diag.md diagnoses systematically. |
| "I just need a basic HTTP request" | Even basic requests need error handling, retry, and cancellation patterns. |
| "My custom networking layer works fine" | Custom layers miss cellular/proxy edge cases. Standard APIs handle them automatically. |
User: "My API request is failing with a timeout"
→ Read: skills/networking-diag.md
User: "How do I use URLSession with async/await?"
→ Read: skills/networking-discipline.md
User: "I need to implement a TCP connection"
→ Read: skills/network-framework-ref.md
User: "Should I use NWConnection or NetworkConnection?"
→ Read: skills/network-framework-ref.md
User: "My app was rejected for using HTTP connections"
→ Read: skills/networking-diag.md (ATS compliance)
User: "App Store says I'm using UIWebView"
→ Invoke: networking-auditor agent (deprecated API scan)
User: "Check my networking code for deprecated APIs"
→ Invoke: networking-auditor agent