Profiles macOS and iOS apps with Instruments and xctrace: choosing templates such as Time Profiler, launching binaries with arguments, recording traces, and exporting results. Use when a Mac or iOS app needs CPU, memory, or responsiveness profiling.
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See how to installReview the instructions the agent will receive before you install.
Attribution: Sourced from steipete/agent-scripts by Peter Steinberger.
Use this skill when the user wants performance profiling or stack analysis for native apps.
Focus: Time Profiler, xctrace CLI, and picking the correct binary/app instance.
Related skill: For CLI-only hotspot analysis without opening Instruments, see native-app-performance.
# List templates
xcrun xctrace list templates
# Record Time Profiler (launch)
xcrun xctrace record --template 'Time Profiler' --time-limit 60s --output /tmp/App.trace --launch -- /path/To/App.app
# Record Time Profiler (attach)
xcrun xctrace record --template 'Time Profiler' --time-limit 60s --output /tmp/App.trace --attach <pid>
# Open trace in Instruments
open -a Instruments /tmp/App.trace
Note: xcrun xctrace --help is not a valid subcommand. Use xcrun xctrace help record.
Gotcha: Instruments may profile the wrong app (e.g., one in /Applications) if LaunchServices resolves a different bundle.
xcrun xctrace record ... --launch -- /path/App.app/Contents/MacOS/App--template 'Time Profiler': template name from xctrace list templates.--launch -- <cmd>: everything after -- is the target command.--attach <pid|name>: attach to running process.--output <path>: .trace output.--time-limit 60s|5m: set capture duration.--device <name|UDID>: required for iOS device runs.# Inspect trace tables
xcrun xctrace export --input /tmp/App.trace --toc
# Export raw time-profile samples
xcrun xctrace export --input /tmp/App.trace \
--xpath '/trace-toc/run[@number="1"]/data/table[@schema="time-profile"]' \
--output /tmp/time-profile.xml
--attach with known PID.xcrun xctrace list devices and --device <UDID>.No reviews yet. Tell others what you thought.
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Use when long-lived agents, project memories, system prompts, or playbooks are repeatedly summarized, rewritten, or optimized and risk losing domain detail, provenance, or execution learnings.
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Use this skill when the user explicitly asks to map, document, or onboard into an existing codebase. Trigger for prompts like "map this codebase", "document this architecture", "onboard me to this repo", or "create codebase docs". Do not trigger for routine feature implementation, bug fixes, or narrow code edits unless the user asks for repository-level discovery.
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Adds educational comments to a code file so it becomes a learning resource, asking for the file (with a list of close matches) if none is given. Use when preparing code for learners, onboarding, or teaching.
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Write, debug, and optimize Adobe Illustrator automation scripts using ExtendScript (JavaScript/JSX). Use when creating or modifying scripts that manipulate documents, layers, paths, text frames, colors, symbols, artboards, or any Illustrator DOM objects. Covers the complete JavaScript object model, coordinate system, measurement units, export workflows, and scripting best practices.
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Patterns and techniques for adding governance, safety, and trust controls to AI agent systems. Use this skill when: - Building AI agents that call external tools (APIs, databases, file systems) - Implementing policy-based access controls for agent tool usage - Adding semantic intent classification to detect dangerous prompts - Creating trust scoring systems for multi-agent workflows - Building audit trails for agent actions and decisions - Enforcing rate limits, content filters, or tool restrictions on agents - Working with any agent framework (PydanticAI, CrewAI, OpenAI Agents, LangChain, AutoGen)
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Check any AI agent codebase against the OWASP Agentic Security Initiative (ASI) Top 10 risks. Use this skill when: - Evaluating an agent system's security posture before production deployment - Running a compliance check against OWASP ASI 2026 standards - Mapping existing security controls to the 10 agentic risks - Generating a compliance report for security review or audit - Comparing agent framework security features against the standard - Any request like "is my agent OWASP compliant?", "check ASI compliance", or "agentic security audit"
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