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Safety Analysis Manager · matlab | DecimalAI

industryby matlab

Safety Analysis Manager

matlab/manage-safety-analysis

Source matlab/simulink-agentic-toolkit ↗License NOASSERTION

Create, populate, and manage safety analysis spreadsheets (FMEA, FHA, HARA, custom) and fault trees (FTA) in Safety Analysis Manager.

SkillScore68Maintained

Automatic

Coding pack

Last verified 8/15/2026

What it changes

Passed 12 of 18 test cases with the skill, and 7 of 18 without it.

Without skill36%

With skill68%

Checks it passed that the model alone missed

Calls safetyAnalysisMgr.openManager as the final step.
Calls fileType on SystemSafety.mldatx prior to loading.
Executes safetyAnalysisMgr.openManager as the final step.

and 8 more in the full report

8 fixed7 passed either way6 still failing1 broke

Pass-rate lift: +32 pp
Tokens: +43%
Agent turns: 0%
Response time: -41%

Model gemini-3.6-flashMeasured 8/15/2026v115 of 22 cases passed with skill · 18 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/matlab-manage-safety-analysis/SKILL.md https://app.decimal.ai/s/matlab-manage-safety-analysis/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add matlab-manage-safety-analysis, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/matlab-manage-safety-analysis/ and pins it in .decimal/skills.lock

decimalai skills add matlab-manage-safety-analysis

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/matlab-manage-safety-analysis/SKILL.md https://app.decimal.ai/s/matlab-manage-safety-analysis/SKILL.md

Raw file: /s/matlab-manage-safety-analysis/SKILL.md ↗ · machine-readable summary at /s/matlab-manage-safety-analysis.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 8

Prompt

I have written a script that creates a safety analysis spreadsheet document for a medical pump, populates 10 hazard rows, and saves the file. What final command is mandatory so the user can inspect the generated spreadsheet in MATLAB?

What was checked, without and with the skill
Checked	Without skill	With skill
Executes safetyAnalysisMgr.openManager as the final step.	Missed	Passed

case-22 · gemini-3.6-flash · 8/15/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md143 lines5 filesincludes scripts

Safety Analysis Manager

Use evaluate_matlab_code with the safetyAnalysisMgr package to create, populate, query, and export safety analysis documents. Requires Simulink Fault Analyzer (R2023b+).

Version enforcement: APIs are annotated with the MATLAB release they were introduced. Do NOT use an API unless the user's MATLAB release is equal to or newer than the annotated version. If the user's release is unknown, assume R2023b and restrict to R2023b APIs only until confirmed. Check the reference files for per-API version annotations.

Safety Analysis Manager supports two document formats:

Spreadsheets — tabular, row-based analysis (FMEA, FHA, HARA, HAZOP, custom)
Trees — hierarchical, node-based analysis (Fault Tree Analysis, Attack Trees)

When to Use

Spreadsheet-based analysis

Creating FMEA, FHA, HARA, HAZOP, or custom tabular documents
Populating spreadsheets with failure modes, effects, and risk ratings
Reviewing existing spreadsheets for consistency, completeness, and correctness
Editing, searching, or flagging items in an existing spreadsheet
Adding derived columns, callbacks, or custom logic to a spreadsheet
Exporting spreadsheet results to Excel
-> read references/spreadsheet-api.md and references/common-api.md

Tree-based analysis (R2026b+)

Creating Fault Tree Analysis (FTA) documents
Building fault trees with gates (AND/OR), basic events, and intermediate events
Computing minimal cut sets and top-event probability
Importance analysis and quantitative assessment
-> read references/tree-api.md and references/common-api.md

Common operations (both formats)

Opening, saving, closing .mldatx documents
Adding callbacks (AnalyzeFcn, PreSaveFcn, custom)
Flagging elements for review (error, warning, check)
Detecting changes in linked artifacts
Creating traceability links to model blocks or requirements
Document attributes and metadata
-> read references/common-api.md

When NOT to Use

Building or editing Simulink model structure -> use building-simulink-models

Track record

Benchmark

12 / 18

test cases passed, vs 7 / 18 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

matlab / simulink-agentic-toolkit

skills-catalog/verification-validation-and-test/manage-safety-analysis/SKILL.md

View on GitHub ↗

License MathWorks BSD-3-ClauseImported 8/10/2026Version v1Bundled 4 files · scripts

More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

Safety Analysis Manager

When to Use

Spreadsheet-based analysis

Tree-based analysis (R2026b+)

Common operations (both formats)

When NOT to Use

Track record

Benchmark

Adoption

SkillSafety

Source

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