Code Review Checklist
shareAI-lab/learn-claude-code
Reviews code against a five-part checklist covering security, correctness, performance, maintainability and testing, and reports findings in a fixed format.
Agent skill
Simulink Profile Initialization
by hashgraph-online in hashgraph-online/awesome-codex-plugins
Profile and analyze the initialization (compile) phase of a Simulink model.
Install Simulink Profile Initialization
$ npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins simulink-profile-initialization --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization .claude/skills/simulink-profile-initialization && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "simulink-profile-initialization" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization into .claude/skills/simulink-profile-initialization/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulink-profile-initialization", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initializationType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins simulink-profile-initialization --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization .agents/skills/simulink-profile-initialization && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "simulink-profile-initialization" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization into .agents/skills/simulink-profile-initialization/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulink-profile-initialization", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins simulink-profile-initialization --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization .cursor/skills/simulink-profile-initialization && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "simulink-profile-initialization" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization into .cursor/skills/simulink-profile-initialization/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulink-profile-initialization", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/hashgraph-online/awesome-codex-plugins.git --path plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins simulink-profile-initialization --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization .gemini/skills/simulink-profile-initialization && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "simulink-profile-initialization" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization into .gemini/skills/simulink-profile-initialization/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulink-profile-initialization", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install hashgraph-online/awesome-codex-plugins simulink-profile-initializationInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization .github/skills/simulink-profile-initialization && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "simulink-profile-initialization" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization into .github/skills/simulink-profile-initialization/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulink-profile-initialization", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins simulink-profile-initialization --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization .opencode/skills/simulink-profile-initialization && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "simulink-profile-initialization" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization into .opencode/skills/simulink-profile-initialization/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulink-profile-initialization", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
simulink-profile-initialization- GitHub stars
- 1.2k
- Token cost
- ~1.5k tokens
- SKILL.md length
- 647 words
- Files
- 15 (incl. scripts)
- Skills in repo
- 736
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Profile and analyze the initialization (compile) phase of a Simulink model.
- Works in 8 steps: Determine whether to collect or analyze → Collect profiling data → Analyze timing overview (out_after.mat) → …
- The user asks to profile model initialization
- SKILL.md covers Your Capabilities, Setup and Workflow
- Diagnose slow model loading/compiling
What it does
Simulink Profile Initialization is an agent skill from hashgraph-online/awesome-codex-plugins. Profile and analyze the initialization (compile) phase of a Simulink model. Use when the user asks to profile model initialization, diagnose slow model loading/compiling, or analyze existing init profiling data files (outafter.mat, perfTracer.mat, profilerResults.mat, modelCompileDiary.txt).
Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 16 other files, including scripts.
It sits in Development, covering Performance optimization. The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is Apache-2.0.
When your agent uses it
- The user asks to profile model initialization
- Diagnose slow model loading/compiling
- Analyze existing init profiling data files (outafter.mat
- ProfilerResults.mat
Example prompts
- “/simulink-profile-initialization”
Workflow steps
8 steps, taken from the step headings in SKILL.md.
- Determine whether to collect or analyze
- Collect profiling data
- Analyze timing overview (out_after.mat)
- Analyze Performance Tracer phases (perfTracer.mat)
- Analyze MATLAB Profiler results (profilerResults.mat)
- Check ModelRefRebuild setting (modelCompileDiary.txt)
- Generate interactive HTML report
- Summarize findings
What it can do on your machine
Read from SKILL.md and the folder at commit 16b4156. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships 12 files in scripts/, which the agent can run.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Simulink Profile Initialization loads about 1.5k tokens when it runs. Until then it costs about 81 tokens; SKILL.md has 647 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.
SKILL.md
The full file from hashgraph-online/awesome-codex-plugins at commit 16b4156, republished under its Apache-2.0 licence (© hashgraph-online). 647 words, ~1,540 tokens.
Download SKILL.mdSave it as
.claude/skills/simulink-profile-initialization/SKILL.md (or your agent's skills folder). This skill also uses 14 other files; get the full folder from GitHub.- name
- simulink-profile-initialization
- description
- Profile and analyze the initialization (compile) phase of a Simulink model. Use when the user asks to profile model initialization, diagnose slow model loading/compiling, or analyze existing init profiling data files (out_after.mat, perfTracer.mat, profilerResults.mat, modelCompileDiary.txt).
Profiling Simulink Model Initialization
You are an expert in profiling and analyzing the initialization (compile) phase of Simulink models. You help users either collect profiling data or analyze existing profiling results to identify bottlenecks.
Your Capabilities
- Run the initialization profiling harness on a loaded Simulink model
- Analyze four output files:
out_after.mat,perfTracer.mat,profilerResults.mat,modelCompileDiary.txt - Distinguish MATLAB shipping code from user code in profiler results
- Identify actionable bottlenecks the user can address
- Check model configuration for inefficient settings
Setup
Before running any analysis scripts, run the setup function located in the skill's scripts/ folder. This self-locating script adds its own folder to the MATLAB path regardless of where the skill is installed or which AI agent is used.
run('SCRIPTS_FOLDER/setup.m')Replace SCRIPTS_FOLDER with the absolute path to this skill's scripts/ directory (derived from the <skill_files> entries below — use the parent folder of any listed .m file).
This makes the following functions available:
collectInitProfiling— run the profiling harness on a loaded modelanalyzeTimingOverview— display timing breakdown from SimulationOutputanalyzePerfTracer— display Performance Tracer phase durationsanalyzeProfilerResults— display user vs shipping code profiler resultscheckModelRefRebuild— check ModelRefRebuild setting from diarygenerateFlamegraph— generate a standalone interactive HTML flamegraphgenerateInitProfilingReport— generate a combined HTML report with flamegraphs
Workflow
Step 0 — Determine whether to collect or analyze
- If the user has existing profiling files (any of the four
.mat/.txtfiles), skip to Step 2. - If the user wants to profile a model, proceed to Step 1.
Step 1 — Collect profiling data
The model must be loaded in Simulink. Run the collectInitProfiling script:
collectInitProfiling('ModelName')If no model name is provided, it uses bdroot. This produces four files in the current directory:
- out_after.mat: SimulationOutput with timing metadata
- profilerResults.mat: MATLAB Profiler results (variable
p) - perfTracer.mat: Simulink Performance Tracer raw data
- modelCompileDiary.txt: Command window diary capturing displayed info
It also creates a timestamped .zip archive of all four files.
Step 2 — Analyze timing overview (out_after.mat)
analyzeTimingOverview('out_after.mat')Report the total wall time and how it breaks down between initialization, execution, and termination. For a StopTime=0 run, nearly all time should be in initialization.
Step 3 — Analyze Performance Tracer phases (perfTracer.mat)
Run the analyzePerfTracer script:
analyzePerfTracer('perfTracer.mat')This parses PerformanceTracingRawDataVector using a stack-based approach to match nested start/end phase pairs, and displays a table of all phases with duration and percentage of total wall time.
Show full SKILL.md (271 more words)Show less
Step 4 — Analyze MATLAB Profiler results (profilerResults.mat)
Run the analyzeProfilerResults script:
analyzeProfilerResults('profilerResults.mat')This computes self time (TotalTime minus children time) for each function, separates shipping code (under matlabroot) from user code, and displays two ranked tables:
- User files — Top 20 by self time: Actionable by the user.
- Shipping files — Top 20 by self time: For awareness only.
Step 5 — Check ModelRefRebuild setting (modelCompileDiary.txt)
Run the checkModelRefRebuild script:
checkModelRefRebuild('modelCompileDiary.txt')This checks the ModelRefRebuild parameter value recorded in the diary:
'IfOutOfDate': Good — recommended value ("If changes in known dependencies detected").'AssumeUpToDate': Informational — skips all rebuild checks. Fast, but risks stale targets.'IfOutOfDateOrStructuralChange'or'Force': Inefficient — flag to user and recommend changing.
Step 6 — Generate interactive HTML report
Generate a combined HTML report with interactive flamegraphs:
generateInitProfilingReport() % uses files in current directory
generateInitProfilingReport('path/to/data') % specify data directory
generateInitProfilingReport('path/to/data', 'report.html') % specify output pathThis produces a self-contained HTML file with:
- Summary dashboard (init time, execution time, user vs shipping code split)
- Interactive compile-phase flamegraph (click to zoom, breadcrumb navigation)
- Interactive user-code call tree flamegraph (MathWorks shipping code collapsed)
- Phase table sorted by duration
- User code and shipping code profiler tables
- ModelRefRebuild setting status
To generate only a standalone flamegraph from Performance Tracer data:
generateFlamegraph('perfTracer.mat') % saves flamegraph_perfTracer.html
generateFlamegraph('perfTracer.mat', 'output.html') % specify output pathStep 7 — Summarize findings
Present a structured summary with:
- Total initialization time from timing metadata
- Phase breakdown from Performance Tracer (top phases by duration)
- Shipping vs user code split (percentage of self-time in each category)
- User-actionable bottlenecks (top user-code functions by self time, with call counts)
- ModelRefRebuild setting check (flag if not
'IfOutOfDate') - Recommendations prioritized by potential time savings
Focus recommendations on what the user can actually change. For shipping-code bottlenecks, mention them for awareness but note they are internal to MATLAB.
© hashgraph-online, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 14 other files (scripts) in plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization of hashgraph-online/awesome-codex-plugins.
- SKILL.md
- reference/flamegraph_template.html
- reference/init_profiling_template.html
- scripts/analyzePerfTracer.m
- scripts/analyzeProfilerResults.m
- scripts/analyzeTimingOverview.m
- scripts/checkModelRefRebuild.m
- scripts/collectInitProfiling.m
- scripts/generateFlamegraph.m
- scripts/generateInitProfilingReport.m
- scripts/jsonEscape.m
- scripts/node2json.m
- scripts/parsePerfTracerData.m
- scripts/parseProfilerData.m
- scripts/setup.m
Open the folder on GitHubat commit 16b4156
Compare with similar skills
Simulink Profile Initialization next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Simulink Profile Initialization this skillhashgraph-online/awesome-codex-plugins | 1.2k | — | ~1.5k | Automated safety check: Pass | Apache-2.0 | |
| Code Review ChecklistshareAI-lab/learn-claude-code | 78k | 5 repos | ~1.1k | Automated safety check: Pass | MIT | |
| LLM Torch Profiler Analysissgl-project/sglang | 37k | 2 repos | ~6.4k | Automated safety check: Pass | Apache-2.0 | |
| Pycrazyguitar/pysheeet | 8.2k | — | ~886 | Automated safety check: Pass | MIT | |
| Cmux Debugging Guidemanaflow-ai/cmux | 28k | 1 repos | ~1.1k | Automated safety check: Pass | Custom licence | |
| Electron Heap Snapshot Analysiskeybase/client | 9.3k | — | ~875 | Automated safety check: Pass | BSD-3-Clause |
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Related
Categories
Questions about Simulink Profile Initialization
What does Simulink Profile Initialization do?
Profile and analyze the initialization (compile) phase of a Simulink model. Simulink Profile Initialization is an agent skill from hashgraph-online/awesome-codex-plugins. Profile and analyze the initialization (compile) phase of a Simulink model.
When should I use Simulink Profile Initialization?
Simulink Profile Initialization fits situations like: the user asks to profile model initialization; diagnose slow model loading/compiling; analyze existing init profiling data files (outafter.mat; profilerResults.mat.
How do I install Simulink Profile Initialization in Claude Code?
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a claude-code`. Or copy the skill folder (plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization in hashgraph-online/awesome-codex-plugins) into .claude/skills/simulink-profile-initialization in your project. Claude Code loads it when a task matches its description.
How do I install Simulink Profile Initialization in Codex?
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a codex`. Or copy the skill folder (plugins/summer521521/MATLAB_Simulink_plugin/skills/simulink-profile-initialization in hashgraph-online/awesome-codex-plugins) into .agents/skills/simulink-profile-initialization in your project. Codex loads it when a task matches its description.
Can I use Simulink Profile Initialization in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add hashgraph-online/awesome-codex-plugins --skill simulink-profile-initialization -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/simulink-profile-initialization, .gemini/skills/simulink-profile-initialization, .github/skills/simulink-profile-initialization and .opencode/skills/simulink-profile-initialization in your project.
What does Simulink Profile Initialization need to run?
SKILL.md names no scripts, command-line tools or credentials: Simulink Profile Initialization is instructions for the agent only.
Does Simulink Profile Initialization access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Simulink Profile Initialization safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Simulink Profile Initialization use?
Simulink Profile Initialization is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Simulink Profile Initialization use?
About 1.5k tokens (SKILL.md is roughly 6.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Simulink Profile Initialization?
Skills that share tags, products or a category with Simulink Profile Initialization: Code Review Checklist (shareAI-lab/learn-claude-code, 78k stars), LLM Torch Profiler Analysis (sgl-project/sglang, 37k stars), Py (crazyguitar/pysheeet, 8.2k stars) and Cmux Debugging Guide (manaflow-ai/cmux, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Simulink Profile Initialization?
hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,232 GitHub stars. The repository holds 736 skills in this directory. The repository was last updated on October 6, 2026.
Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.