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RoadRunner Core · matlab | DecimalAI

industryby matlab

RoadRunner Core

matlab/roadrunner-core

Source matlab/matlab-agentic-toolkit ↗License NOASSERTION

Foundation skill for all RoadRunner workflows: MATLAB path setup, connection, project/scene/scenario lifecycle, world settings, handle management, status, and close.

SkillScore41Maintained

Automatic

Coding pack

Last verified 8/16/2026

What it changes

Passed 5 of 11 test cases with the skill, and 2 of 11 without it.

Without skill18%

With skill41%

Checks it passed that the model alone missed

Includes NoDesktop=true in the constructor arguments.
Passes a single port number parameter to roadrunner.connect().
Clarifies that software installation is outside the functional scope of this capability.

and 2 more in the full report

5 fixed4 passed either way13 still failing0 broke

Pass-rate lift: +23 pp
Tokens: +156%
Agent turns: 0%
Response time: -56%

Model gemini-3.6-flashMeasured 8/16/2026v19 of 22 cases passed with skill · 11 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-roadrunner-core/SKILL.md https://app.decimal.ai/s/matlab-roadrunner-core/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add matlab-roadrunner-core, 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-roadrunner-core/ and pins it in .decimal/skills.lock

decimalai skills add matlab-roadrunner-core

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

curl -fsSL --create-dirs -o .claude/skills/matlab-roadrunner-core/SKILL.md https://app.decimal.ai/s/matlab-roadrunner-core/SKILL.md

Raw file: /s/matlab-roadrunner-core/SKILL.md ↗ · machine-readable summary at /s/matlab-roadrunner-core.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 5

Prompt

I need to launch RoadRunner for offscreen rendering exports on a Linux server without full desktop GUI. Which parameter switch should be supplied to roadrunner(...)?

What was checked, without and with the skill
Checked	Without skill	With skill
Includes NoDesktop=true in the constructor arguments.	Missed	Passed

case-19 · gemini-3.6-flash · 8/16/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md293 lines3 filesincludes scripts

RoadRunner Core

Foundation skill for all RoadRunner agent workflows. Manages the RoadRunner connection, project/scene/scenario lifecycle, and handle management from MATLAB. Produces the rrApp handle used by all downstream RoadRunner skills.

Execution: all MATLAB code runs via evaluate_matlab_code MCP tool. Never matlab -batch.

When to Use

Connecting to or launching RoadRunner from MATLAB
Creating, opening, or saving projects, scenes, or scenarios
Setting world origin or scene extents
Checking RoadRunner status
Closing RoadRunner safely
Any downstream RoadRunner skill needs rrApp initialization

When NOT to Use

RoadRunner is not installed — this skill requires a working RoadRunner installation; it cannot install the product
MATLAB version below R2022a — the roadrunner class and related APIs are not available in earlier releases
rrApp already exists and is valid — re-running rrCoreInitialize is safe (it's idempotent) but unnecessary; prefer checking exist('rrApp','var') first to avoid the overhead
User has not provided installation or project paths when first-time setup is needed — ask the user first, do not guess paths
RoadRunner is intentionally closed — do not reconnect or relaunch without explicit user permission

1. How the Agent Uses This Skill

First-time setup (once per machine — two-tier resolution)

rrCoreInitialize handles setup automatically using a two-tier approach:

Tier	Condition	What happens
1	Settings valid + `roadrunner` class on path	Setup skipped — already configured
2	Agent has `installFolder` and `projectPath` variables	Programmatic setup: `addpath`, `savepath`, writes MATLAB settings. No GUI.

Just run rrCoreInitialize. The script automatically:

Connects to a running instance (roadrunner.connect())
If that fails, launches a new instance (roadrunner()) using saved settings
If not configured, errors with PathsRequired — then ask the user for installFolder and projectPath, set them, and re-run

Track record

Benchmark

5 / 11

test cases passed, vs 2 / 11 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 / matlab-agentic-toolkit

skills-catalog/automotive/roadrunner-core/SKILL.md

View on GitHub ↗

License https://www.mathworks.com/content/dam/mathworks/license/pmrl/license.mdImported 8/3/2026Version v1Bundled 2 files · scripts

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

Ready to supercharge your AI agents?

See it in action

What's inside

RoadRunner Core

When to Use

When NOT to Use

1. How the Agent Uses This Skill

First-time setup (once per machine — two-tier resolution)

Track record

Benchmark

Adoption

SkillSafety

Source

Related skills