/axiom-compare-traces

Compare two performance traces for regressions with Axiom MCP profiling tools

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What this command does when you run it.

Compare two performance traces for regressions with Axiom MCP profiling tools

Command definition

axiom-compare-traces.md

name: axiom-compare-traces
description: "Compare two performance traces for regressions with Axiom MCP profiling tools"

Compare Performance Traces

Use Axiom's structured MCP tools instead of invoking the xcprof helper binary.

1. Call `axiom_xcprof_doctor` to verify the profiling environment. 2. Obtain baseline and current traces that exercise the same workload. If capture is needed, call `axiom_xcprof_record` for each run with a bounded `timeLimit`; prefer `attach`. Set `allowLaunch` or `allowAllProcesses` only after the user explicitly authorizes that gated mode. 3. Call `axiom_xcprof_compare` with `baseline`, `current`, and any requested `thresholdPct`, `failOnRegression`, or `dsym` values. 4. Report regressions and improvements separately, including unsymbolicated frames and workload-comparability limits.

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.

Read it on GitHub ↗

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Battle-tested skills, agents, and tools for modern Apple OS development — Swift 6, SwiftUI, Liquid Glass, Apple Intelligence, and more. Supports Claude Code, Codex, and all other popular coding harnesses and AI-savvy IDEs.

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