Data & Analytics
Data agent skills make AI agents useful for data work: writing SQL, cleaning datasets, building pipelines, working with spreadsheets, and producing analyses. Each skill is a reviewed SKILL.md file that teaches the agent one workflow well, ready to install in seconds.
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holobiomicslab Skill Technical Variation AssessmentUse when when you have a preprocessed metabolomics matrix (log2-scaled, CSV format with batch identifiers in the first column) and need to determine whether technical variation is present, which correction model (ber, ber-bagging, parametric ComBat, or non-parametric ComBat) performs on your.
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holobiomicslab Skill Workflow Configuration ParsingUse when you have a workflow.csv file co-located with sequence.csv in a SmartPeak session directory and need to load a default or custom workflow configuration into an executable command sequence.
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holobiomicslab Skill Composite Mass Track ConstructionUse when when processing a multi-sample LC-MS metabolomics project after mass-track extraction and retention-time calibration have been applied to all individual samples, and you need to detect peaks across the entire cohort.
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holobiomicslab Skill Computational Variation DetectionUse when after peak detection and feature alignment in a metabolomic LC–MS/MS or GC–MS workflow, when you have a feature table (rows=metabolic features, columns=samples) split into separate .csv files for peak height and peak area.
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holobiomicslab Skill Isotopologue Abundance CorrectionUse when you have LC-MS data from isotope labeling experiments where FAM measurements must be transformed to MDV values. Specifically, apply this when: (1) you have measured fractional abundances of isotopologues (FAM) in XLSX format from a high-resolution instrument (e.g., Orbitrap);
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holobiomicslab Skill Spectral Library Data ModelingUse when when migrating an existing file-based spectral library (stored as JSON, CSV, or binary formats) into a production system that requires frequent subset queries by metadata filters, similarity scoring across large spectral collections, or integration into downstream tools like MS2Query that.
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holobiomicslab Skill Target List Coordinate MappingUse when you have a CSV-formatted target list with m/z, retention time, or ion mobility identifiers and need to locate and extract peak abundances from raw MS data files (Agilent .d, Thermo .raw, Bruker .d, mzML) acquired across LC-MS, LC-IMS-MS, DDA, DIA, or direct infusion modes.
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holobiomicslab Skill Metabolite Dataset PreprocessingUse when you have raw NMR metabolomics measurements paired with pre-analytical metadata (e.g., processing delay times, sample type designations [plasma vs. serum], cohort identifiers) and need to investigate how delays affect measured metabolic parameters.
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holobiomicslab Skill Export Tag Syntax ValidationUse when you have a tabular file (CSV or Excel) that has been manually or semi-automatically tagged with export tags, and you need to verify tag correctness before running the extract command to convert the tagged table into intermediate JSON.
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holobiomicslab Skill Arrow Columnar Data DecodingUse when when reading mzPeak files or other Parquet-backed mass spectrometry archives where spectral m/z and intensity arrays are stored in columnar layouts (point or chunked format) and you need to reconstruct them into Python NumPy arrays, pandas DataFrames, or equivalent in-memory structures for.
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holobiomicslab Skill Cox Regression Model FittingUse when you have expression or metabolomic feature matrices, paired with event indicators (e.g., disease recurrence, mortality) and follow-up times for a cohort of samples, and you need to derive risk scores or prognosis indices for survival prediction or patient stratification.
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holobiomicslab Skill Feature Matrix PreprocessingUse when you have raw metabolomics data in CSV format (samples as rows, features as columns, batch identifier in the first column) that contains missing values (zeros or NAs) and requires standardization before batch effect correction.
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holobiomicslab Skill Group Annotation IntegrationUse when you have an expression matrix (e.g., heatmap_test.csv with genes as rows and samples as columns) and a corresponding group annotation file (e.g., group_info.csv with sample IDs and their group assignments).
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holobiomicslab Skill Metabolic Ion Peak FilteringUse when you have a raw or extracted peak feature table (CSV or tabular format) containing mass-to-charge ratios, retention times, and intensity values across multiple samples from different experimental groups, and you need to identify which peaks show statistically significant differential.
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holobiomicslab Skill Protocol Metadata ExtractionUse when you have experimental protocol information scattered across multiple rows in a spreadsheet or table (e.
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holobiomicslab Skill Tabular Data StandardizationUse when when you have received raw MRM lipidomics export files in vendor-specific formats (TSV, CSV) with inconsistent column naming, unparsed lipid identifiers (e.g., 'PC(36:1)' as a single string), and unknown data quality issues.
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holobiomicslab Skill Vendor Export Schema MappingUse when raw MRM lipidomics data arrives in vendor-specific export formats (e.g., Sciex, Waters, Thermo TSV/CSV) with inconsistent or proprietary column naming, numeric encoding, and lipid nomenclature.
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holobiomicslab Skill Ms Peak Table Format ValidationUse when immediately after loading a raw GC-MS CSV file and before executing the spreadOut() function. Use it when you have received peak table data from an instrument vendor (e.
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holobiomicslab Skill Batch Generation And ValidationUse when you have raw mzML files and a feature table (CSV) from LCMS data processed by tools like mzMine, and you need to create train/test/validation batches with specific matrix dimensions (120 × 2) and verified margin/peak signal separation before training or evaluating a neural network.
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holobiomicslab Skill Comparative Omics Report GenerationUse when when you have feature lists (in CSV format) from two or more different MS acquisition methods (e.g., LC-MS vs. LC-IMS-MS), different processing software (e.
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holobiomicslab Skill CSV Format Specification ComplianceUse when after feature extraction or feature alignment when you have FeatureSet or Sample objects that must be exported as CSV files for sharing, archival, or downstream analysis. Specifically: (1) when exporting single-sample feature tables from find_feature() output;
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holobiomicslab Skill Excel File Parsing For MetabolomicsUse when you have a preprocessed LC-MS peak table exported from peak-picking software (e.g., MS-DIAL) in Excel format with three logical compartments: sample annotation (rows), feature annotation (columns), and abundance matrix (numeric values).
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holobiomicslab Skill Hrms Feature Annotation IntegrationUse when you have LC- or GC-HRMS data in mzML format and a feature list (CSV/TSL/Excel) from external feature detection software (e.
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holobiomicslab Skill Mass Accuracy Tolerance CalibrationUse when you have experimental fragment m/z values from HRMS/MS instruments (Q-Exactive orbitrap, Q-TOF) in CSV or mzML-derived peaklist format, and need to match them against a library of 500,000+ in-silico fragmented lipid species.
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holobiomicslab Skill Mass Spectrometry Fragment MatchingUse when you have experimental fragment m/z peaklists from Q-Exactive orbitrap, Agilent Q-TOF, Bruker Q-TOF, or SCIEX Q-TOF UHPLC-HRMS/MS instruments (in CSV or mzML-derived table formats) and need to assign lipid identities using untargeted or targeted tandem MS data.
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holobiomicslab Skill Mass Spectrometry Result TabulationUse when after executing a MassQL query against mzML mass spectrometry data files and obtaining tabulated results (DataFrame or equivalent in-memory table), apply this skill to persist those results in both human-readable CSV format and visual image form for archival, sharing, and downstream.
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holobiomicslab Skill Molecular Property Data StructuringUse when you have a CSV file with rows of molecule definitions (chemical formulas, retention times, intensities, or other peak properties) and need to feed them into SMITER's simulation workflow.
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holobiomicslab Skill Conditional Dependency ResolutionUse when a Python library exposes functionality that depends on external packages (like sqlalchemy, pandas, or lxml) that are not required for core operations.
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holobiomicslab Skill Custom Metabolite Set IntegrationUse when you have a user-supplied metabolite set file (CSV or JSON) defining custom groupings of metabolites (e.
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holobiomicslab Skill Dataframe Lazy Loading ComparisonUse when when designing or optimizing an MsBackend implementation (or similar columnar data structure) you must decide whether to pre-allocate all known columns in the backing DataFrame at initialization or defer column creation until first access.
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holobiomicslab Skill Metabolite Target List FormattingUse when you have a raw LC–MS compound metadata file (xlsx or csv) with heterogeneous column names and column order, and you need to prepare it for targeted peak detection in TARDIS.
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holobiomicslab Skill Mzml Data Parsing Pymzml PyopenmsUse when you have mzML-format mass spectrometry data files and need to load them into memory as structured data (pandas DataFrame) to prepare for visualization with pyOpenMS-Viz or other analysis pipelines.
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holobiomicslab Skill Record Identifier Mapping To JSONUse when when you have a tagged tabular file (Excel or CSV) with columns marked using export tag syntax (e.g., #study.id, #subject.id, #.
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holobiomicslab Skill Dereplication Candidate FilteringUse when after spectral database dereplication (using Spectra) and compound database dereplication (using SIRIUS or MetFrag) have produced candidate annotations in CSV or JSON format.
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holobiomicslab Skill Mass Trace Separation By GroupingUse when your pandas DataFrame contains mass spectrometry data with retention time (rt) and intensity columns AND a column representing different mass-to-charge (m/z) values or ion identifiers. This is particularly relevant when generating chromatogram plots from data with multiple mass traces (e.
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holobiomicslab Skill Metabolite Class Subset FilteringUse when when you have an omu_summary output dataframe with Class metadata and adjusted p-values (padj), and you need to focus downstream analysis (e.
Frequently asked questions
What are Data & Analytics agent skills?
Data agent skills make AI agents useful for data work: writing SQL, cleaning datasets, building pipelines, working with spreadsheets, and producing analyses. Each skill is a reviewed SKILL.md file that teaches the agent one workflow well, ready to install in seconds.
Which Data & Analytics skills are most installed?
Popular Data & Analytics skills on SkillMD right now include technical-variation-assessment, workflow-configuration-parsing, composite-mass-track-construction. Rankings shift as installs change; sort this page by "Most installs" for the live list.
Do Data & Analytics skills work with Claude Code and Cursor?
Yes. Every skill here ships as a SKILL.md file, an open format that works in Claude Code, Claude.ai, Cursor, Codex, Windsurf, and 60+ other agents. Install one with npx skillmds@latest add <owner>/<name>, or copy the file into your agent's skills directory.