JosiahSiegel/competition-workflows
plugins/kaggle-master/skills/competition-workflows/SKILL.md
Kaggle competition notebook workflows and submissions. PROACTIVELY activate for: (1) submitting notebook outputs to competitions, (2) `kaggle competitions submit -k`, (3) downloading competition data, (4) validating submission.csv format, (5) leakage review, (6) cross-validation split design, (7) public leaderboard overfitting concerns, (8) competition rule compliance, (9) reproducible top-to-bottom notebook execution, (10) fold-aware preprocessing for ML pipelines. Provides: submission commands, validation checklist, leakage controls, and competition-ready notebook guidance.
$ install --global
skillsauthnpx skillsauth add JosiahSiegel/claude-plugin-marketplace competition-workflowsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- competition-workflows
- description:
- |
- Kaggle competition notebook workflows and submissions. PROACTIVELY activate for:
- (1) submitting notebook outputs to competitions, (2) `kaggle competitions submit -k`, (3) downloading competition data, (4) validating submission.csv format, (5) leakage review, (6) cross-validation split design, (7) public leaderboard overfitting concerns, (8) competition rule compliance, (9) reproducible top-to-bottom notebook execution, (10) fold-aware preprocessing for ML pipelines. Provides: submission commands, validation checklist, leakage controls, and competition-ready notebook guidance.
Competition Workflows
Overview
Use this skill for Kaggle competition workflows from data access through notebook execution and submission. Prioritize reproducibility, rule compliance, and leakage prevention over leaderboard-chasing shortcuts.
Submission from Notebook Output
Use the notebook-kernel submission form when submitting an output file produced by a notebook version:
kaggle competitions submit <competition> -k <owner/slug> -f <file> -v <version> -m "<message>"
Before submission, confirm the notebook run completed successfully, the output file exists, and the version number matches the intended run. Use notebook-lifecycle for status, logs, files, and output download commands.
Competition Data Access
Use Kaggle CLI or kagglehub for competition downloads. Attach competition sources in kernel-metadata.json when the notebook must run on Kaggle. Confirm users accepted competition rules before assuming downloads or submissions will work.
Submission Validation Checklist
- Assert required columns, order, row count, and ID coverage.
- Check for nulls, infinities, invalid labels, and out-of-range predictions.
- Save outputs under
/kaggle/workingduring Kaggle runs. - Verify the submitted filename exactly matches the generated artifact.
- Include a concise submission message that identifies model/run changes without exposing secrets.
Leakage and Validation Review
Use group/time/stratified splits that match the competition structure. Apply preprocessing inside folds to avoid fitting transforms on validation data. Avoid using public leaderboard feedback as a validation set; repeated leaderboard probing can overfit. Confirm external data, pretrained models, internet access, and ensemble sources comply with rules.
Reproducibility Standards
Notebook should execute top-to-bottom from a clean Kaggle session. Set seeds for Python, NumPy, framework libraries, and splitters where applicable. Pin package versions when environment drift could affect results. Use a DEBUG flag to run small samples locally or during fast checks without changing final-run logic.
Common Failure Modes
| Symptom | Check | |---|---| | Submission rejected | Filename, columns, rows, competition slug, accepted rules | | Score impossible | Leakage, target contamination, ID mismatch, train/test merge mistake | | Notebook output missing | Save location, run failure, timeout, file pattern | | Local score diverges | Split mismatch, fold leakage, random seeds, preprocessing outside folds |
Safety and Limits
Do not bypass competition rules or suggest hidden test reconstruction, private data scraping, or external data not allowed by rules. Warn before long GPU/TPU training runs. If secrets are needed, advise Kaggle Secrets through the UI; do not claim public API support for secrets administration.
Sources
- Kaggle API docs: https://www.kaggle.com/docs/api
- Kaggle notebooks docs: https://www.kaggle.com/docs/notebooks
- Kaggle kernels CLI: https://github.com/Kaggle/kaggle-api/blob/main/docs/kernels.md
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