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Linting and Formatting · nvidia | DecimalAI

code reviewby nvidia

Linting and Formatting

nvidia/mcore-linting-and-formatting

Source nvidia/skills ↗License Apache-2.0

Linting and formatting for Megatron-LM. Covers running autoformat.sh, tools (ruff, black, isort, pylint, mypy), and code style rules.

SkillScore91Maintained

Automatic

Coding pack

Last verified 8/12/2026

What it changes

Passed 21 of 23 test cases with the skill, and 11 of 23 without it.

Without skill48%

With skill91%

Checks it passed that the model alone missed

Sets BASE_REF=main
Sets CHECK_ONLY=true
Sets SKIP_DOCS=false

and 8 more in the full report

11 fixed10 passed either way1 still failing1 broke

Pass-rate lift: +43 pp
Tokens: -47%
Agent turns: 0%
Response time: -70%

Model gemini-3.6-flashMeasured 8/12/2026v121 of 23 cases passed with skill

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/nvidia-mcore-linting-and-formatting/SKILL.md https://app.decimal.ai/s/nvidia-mcore-linting-and-formatting/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add nvidia-mcore-linting-and-formatting, 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/nvidia-mcore-linting-and-formatting/ and pins it in .decimal/skills.lock

decimalai skills add nvidia-mcore-linting-and-formatting

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

curl -fsSL --create-dirs -o .claude/skills/nvidia-mcore-linting-and-formatting/SKILL.md https://app.decimal.ai/s/nvidia-mcore-linting-and-formatting/SKILL.md

Raw file: /s/nvidia-mcore-linting-and-formatting/SKILL.md ↗ · machine-readable summary at /s/nvidia-mcore-linting-and-formatting.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 11

Prompt

Before opening a pull request, I want to verify formatting without modifying any files. Which environment variable flag toggles tools/autoformat.sh into check-only mode?

What was checked, without and with the skill
Checked	Without skill	With skill
Sets CHECK_ONLY=true	Missed	Passed

case-12 · gemini-3.6-flash · 8/12/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md51 linessingle file

Linting and Formatting

Running the Formatter

Run before opening a PR:

# Check mode (no changes applied)
BASE_REF=main CHECK_ONLY=true SKIP_DOCS=false bash tools/autoformat.sh

# Fix mode
BASE_REF=main CHECK_ONLY=false bash tools/autoformat.sh

Tools invoked: black, isort, pylint, ruff, mypy.

Import Ordering

After editing imports in any Python files, always run uv run isort on those files before committing:

uv run isort <file1>.py <file2>.py

Setting Up the Linting Group

Inside the container:

uv sync --locked --only-group linting

This installs ruff, black, isort, pylint — the same tools used by

Track record

Benchmark

21 / 23

test cases passed, vs 11 / 23 without

Adoption

Users: 6
Times used: 69

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

nvidia / skills

skills/mcore-linting-and-formatting/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 8/3/2026Version v1

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

Linting and Formatting

Running the Formatter

Import Ordering

Setting Up the Linting Group

Track record

Benchmark

Adoption

SkillSafety

Source

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