Agent skill · charleswiltgen
axiom-performance
Use when app feels slow, memory grows, battery drains, or diagnosing ANY performance issue. Covers memory leaks, profiling, Instruments workflows, retain cycles, performance optimization.
What it needs
About 11k tokens when loaded.
What this skill does
Cursor MCP Tool Boundary The xclog, xcsym, and xcprof examples below are reference syntax, not executable commands for Cursor. Map each subcommand to the same-named MCP tool—for example, xclog launch to axiomxcloglaunch, xcsym crash to axiomxcsymcrash, and xcprof record to axiomxcprofrecord—and preserve its arguments as structured fields. Do not run a bare helper binary. If a required MCP tool is unavailable, stop and report that the Axiom MCP integration is missing; do not fall back to a same-named executable. Performance You MUST use this skill for ANY performance issue including memory leaks, slow execution, battery drain, or profiling. Cursor Subagent Routing Delegate to the appropriate Cursor subagent when this router calls for a specialized auditor. When to Use Use this router when: App feels slow or laggy Memory usage grows over time Battery drains quickly Device gets hot during use High energy usage in Battery Settings Diagnosing performance with Instruments Memory leaks or retain cycles App crashes with memory warnings Routing Logic Memory Issues Memory leaks (Swift) → See skills/memory-debugging.md Systematic leak diagnosis 5 common leak patterns Instruments workflows deinit not called Memory leak scan → Delegate to the memory-auditor subagent or /axiom-audit memory (5-phase semantic audit: maps resource ownership, detects 6 leak patterns, reasons about missing cleanup, correlates compound risks, scores lifecycle health) Memory leaks (Objective-C blocks) → See skills/objc-block-retain-cycles.md Block retain cycles Weak-strong pattern Network callback leaks Performance Profiling Performance profiling (GUI) → See skills/performance-profiling.md Time Profiler (CPU), incl. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills charleswiltgen/axiom-performance--00ea85