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Skill catalog

657data analysis agent skills synced from skills.sh, with their install counts. Read them here, or let your agent fetch the right one through the Graph-of-Skills MCP server.

Want your agent to use these? Set up Graph-of-Skills or get a free key. How these skills are sourced and what we check. Cannot find one? Your agent can write a skill for your own library. Have skills of your own? Install one on another machine. A skill that comes from GitHub shows its npx skills add command on its page.

  1. repomix-explorer yamadashy/repomix

    Analyze or explore a codebase (remote or local repository) by packing it with the Repomix CLI, then reading and searching the generated output. Use when the user wants a high-level understanding of an unfamiliar or larg…

    1,945 installs
  2. Build ETL pipelines and analytics dashboards for Harvard Art Museums API data using Python, SQL, and Streamlit

    1,940 installs
  3. geopandas k-dense-ai/scientific-agent-skills

    Guidance and local audit tools for Python workflows that directly use GeoPandas GeoSeries, GeoDataFrame, spatial operations, or vector-data I/O.

    1,938 installs
  4. End-to-end data engineering and analytics application using Harvard Art Museums API with ETL pipelines, SQL analytics, and Streamlit visualization

    1,932 installs
  5. scikit-bio k-dense-ai/scientific-agent-skills

    Biological data toolkit. Sequence analysis, alignments, phylogenetic trees, diversity metrics (alpha/beta, UniFrac), ordination (PCoA), PERMANOVA, FASTA/Newick I/O, for microbiome analysis.

    1,930 installs
  6. profilecli-insights grafana/skills

    Query live Pyroscope profiles with profilecli, analyze them with pprof, and correlate hot functions with checked-out source code. Use when the user asks to investigate a service with a configured Pyroscope server, profi…

    1,929 installs
  7. simpy k-dense-ai/scientific-agent-skills

    Builds, inspects, tests, and analyzes bounded process-based discrete-event simulations with SimPy. Use for event scheduling, resource queues, interrupts, monitoring, independent replications, warm-up, and reproducible o…

    1,928 installs
  8. bioservices k-dense-ai/scientific-agent-skills

    Provides a Python interface to bioinformatics services including UniProt, KEGG, ChEMBL, Reactome, QuickGO, and UniChem. Used for cross-database protein annotation, pathway retrieval, chemical identifier mapping, and int…

    1,919 installs
  9. anndata k-dense-ai/scientific-agent-skills

    Handles annotated matrices in single-cell analysis, .h5ad and Zarr files, and integration with the scverse ecosystem. This is the data format skill—for analysis workflows use scanpy; for probabilistic models use scvi-to…

    1,918 installs
  10. Load a sharded, on-disk dataset (sharded .npy, Parquet/Arrow, raw binary, sharded HDF5, custom layouts) into a distributed cuPyNumeric ndarray via a manual partition + leaf @task launch with CPU/OMP/GPU variants. Use wh…

    1,910 installs
  11. gget k-dense-ai/scientific-agent-skills

    Queries 20+ bioinformatics resources through CLI/Python. Supports quick lookups of gene info, BLAST/BLAT, viral sequence downloads, PDB/mmCIF structures, G2P residue annotations, enrichment analysis, OpenTargets, COSMIC…

    1,909 installs
  12. datasheet-reader diodeinc/pcb

    Read datasheets and technical PDFs with `pcb scan`.

    1,903 installs
  13. dm-limits-and-best-practices cognitedata/builder-skills

    CDF Data Modeling limits: concurrency (429s), pagination, batching, search vs filter, QueuedTaskRunner, and the cap on LLM calls over query results (5 default, 50 max, cached). Triggers: DMS limits, 429, pagination, nex…

    1,903 installs
  14. scanpy k-dense-ai/scientific-agent-skills

    Performs Scanpy single-cell RNA-seq QC, normalization, HVG selection, PCA/UMAP/t-SNE, clustering, exploratory marker ranking, pseudobulk preparation, visualization, and Seurat or SingleCellExperiment RDS conversion to h…

    1,903 installs
  15. astropy k-dense-ai/scientific-agent-skills

    Core Python library for astronomy and astrophysics workflows that need Astropy APIs, including units/quantities, coordinates, FITS I/O, tables, time systems, WCS, and cosmology. Use when implementing or debugging astron…

    1,902 installs
  16. Used for extracting selected metadata from one DICOM file and flagging standard-tag PHI presence. Not for anonymization or clinical use.

    1,900 installs
  17. deeptools k-dense-ai/scientific-agent-skills

    NGS analysis toolkit. BAM to bigWig conversion, QC (correlation, PCA, fingerprints), heatmaps/profiles (TSS, peaks), for ChIP-seq, RNA-seq, ATAC-seq visualization.

    1,899 installs
  18. pydicom k-dense-ai/scientific-agent-skills

    Reads, inspects, writes, transforms, and preflights local DICOM datasets and pixel data. Applies to DICOM metadata, transfer syntaxes, compression plugins, frames, private elements, JSON, and bounded de-identification r…

    1,899 installs
  19. cellxgene-census k-dense-ai/scientific-agent-skills

    Queries the CZ CELLxGENE Census programmatically for versioned public single-cell and spatial transcriptomics data. Use when you need population-scale cell metadata, gene expression slices, Census summary counts, source…

    1,898 installs
  20. datamol k-dense-ai/scientific-agent-skills

    Pythonic wrapper around RDKit with simplified interface and sensible defaults. Preferred for standard drug discovery including SMILES parsing, standardization, descriptors, fingerprints, clustering, 3D conformers, paral…

    1,897 installs
  21. Use people-search aggregators and primary public records to find addresses, phone numbers, relatives, age and background on a person, and to audit and remove your own exposure. Covers Spokeo, BeenVerified, Whitepages, T…

    1,895 installs
  22. vaex k-dense-ai/scientific-agent-skills

    Processes large tabular scientific datasets with Vaex expressions, filtered views, streamed statistics, binned visualizations, and file conversion. Use for larger-than-RAM HDF5, Arrow, CSV, or Parquet analysis, virtual…

    1,895 installs
  23. logfire-query pydantic/skills

    Query and analyze Logfire telemetry data — traces, logs, spans, metrics, summaries, and SQL results. Use this skill when the user asks to "query logfire", "search traces", "find logs", "query data", "search spans", "loo…

    1,894 installs
  24. rev-struct p4nda0s/reverse-skills

    Reconstruct data structures by analyzing memory access patterns across functions

    1,894 installs
  25. arboreto k-dense-ai/scientific-agent-skills

    Infers candidate gene regulatory networks from bulk or single-cell expression data using AertsLab Arboreto GRNBoost2 and GENIE3. Use for transcription factor-target association ranking, compatible Dask execution, sparse…

    1,892 installs
  26. pydeseq2 k-dense-ai/scientific-agent-skills

    Performs bulk RNA-seq differential expression analysis with PyDESeq2, including count validation, formula designs, explicit contrasts, Wald tests, FDR correction, coefficient-matched LFC shrinkage, and result visualizat…

    1,892 installs
  27. Build ETL pipelines and analytics dashboards using Harvard Art Museums API data with Python, SQL, and Streamlit

    1,891 installs
  28. End-to-end data engineering and analytics application for Harvard Art Museums API with ETL pipelines, SQL analytics, and Streamlit visualization

    1,890 installs
  29. imaging-data-commons k-dense-ai/scientific-agent-skills

    Queries and downloads public cancer imaging data from NCI Imaging Data Commons. Supports IDC collection discovery, DICOM access, radiology (CT, MR, PET) and pathology AI datasets, metadata SQL, visualization, licensing,…

    1,890 installs
  30. pymatgen k-dense-ai/scientific-agent-skills

    Analyzes, validates, converts, and transforms materials structures and computed materials data with pymatgen. Use for local phase diagrams, symmetry sensitivity, electronic-structure I/O, and bounded Materials Project q…

    1,890 installs
  31. Provides data-retrieval best practices, tool selection guidance, and performant SQL query syntax for BigQuery telemetry across INFORMATION_SCHEMA, Cloud Monitoring, and the REST API. Use when the telemetry to fetch is a…

    1,888 installs
  32. zarr-python k-dense-ai/scientific-agent-skills

    Stores and queries chunked N-D scientific arrays with Zarr-Python 3, including codecs, sharding, S3/GCS storage, and NumPy/Dask/Xarray integration. Use for array layout, bounded I/O, format migration, or scientific meta…

    1,886 installs
  33. neurokit2 k-dense-ai/scientific-agent-skills

    Builds and audits reproducible NeuroKit2 research workflows for physiological time-series preprocessing, event/interval analysis, multimodal alignment, variability, and complexity. Use when code imports neurokit2 or nee…

    1,884 installs
  34. cupynumeric-hdf5 nvidia/skills

    Read and write large cuPyNumeric arrays to HDF5 with Legate's parallel, distributed HDF5 I/O (legate.io.hdf5: to_file, from_file, from_file_batched). Use when a developer needs to save a cuPyNumeric array to an .h5/.hdf…

    1,882 installs
  35. pysam k-dense-ai/scientific-agent-skills

    Provides Python/HTSlib workflows for genomic files. Used when reading, querying, filtering, or writing SAM/BAM/CRAM, VCF/BCF, FASTA/FASTQ, or tabix data with pysam, including pileup, coverage, indexing, and CRAM referen…

    1,878 installs
  36. cobrapy k-dense-ai/scientific-agent-skills

    Performs constraint-based metabolic modeling with COBRApy, including FBA, pFBA, FVA, gene knockouts, flux sampling, growth media, production envelopes, gap filling, and SBML model validation for systems biology and meta…

    1,876 installs
  37. exploratory-data-analysis davila7/claude-code-templates

    Perform comprehensive exploratory data analysis on scientific data files across 200+ file formats. This skill should be used when analyzing any scientific data file to understand its structure, content, quality, and cha…

    1,876 installs
  38. flowio k-dense-ai/scientific-agent-skills

    Reads, inspects, and writes Flow Cytometry Standard (FCS) 2.0, 3.0, and 3.1 files with FlowIO. Use for low-level FCS metadata and channel inspection, NumPy event extraction, multi-dataset files, table export, and FCS 3.…

    1,873 installs
  39. pytdc k-dense-ai/scientific-agent-skills

    Provides Therapeutics Data Commons workflows through PyTDC for registry discovery, dataset access, task-aware splits, evaluator metrics, benchmark groups, and bounded molecular-oracle scoring. Use when working with TDC…

    1,873 installs
  40. scvelo k-dense-ai/scientific-agent-skills

    Performs RNA velocity analysis with scVelo from spliced and unspliced single-cell RNA counts. Fits deterministic or dynamical models, examines gene phase portraits, builds velocity graphs, estimates relative latent time…

    1,870 installs
  41. usfiscaldata k-dense-ai/scientific-agent-skills

    Queries the U.S. Treasury Fiscal Data REST API for federal financial data. No API key required. Use for national debt (Debt to the Penny), Daily Treasury Statements, Monthly Treasury Statements, Treasury securities auct…

    1,868 installs
  42. lamindb k-dense-ai/scientific-agent-skills

    Manages biological datasets and models with LaminDB, including artifact registration, lineage tracking, schema validation, Bionty ontology annotation, query/search, collections, branches, storage, and workflow integrati…

    1,867 installs
  43. matchms k-dense-ai/scientific-agent-skills

    Processes, cleans, compares, and searches tandem mass spectra with matchms. Use for MS/MS file I/O, metadata harmonization, peak filtering, spectral similarity, library matching, score matrices, and molecular-similarity…

    1,867 installs
  44. gtars k-dense-ai/scientific-agent-skills

    Supports Gtars for local genomic interval models and set algebra, overlaps and counts, consensus and coverage, tokenization, fragment processing, and refget/BEDbase planning across Python, Rust, and the CLI.

    1,866 installs
  45. histolab k-dense-ai/scientific-agent-skills

    Extracts and preprocesses whole-slide histology image tiles with Histolab. Use for WSI inspection, tissue masks, random/grid/score-based tile extraction, H&E stain normalization, and tile dataset preparation. For multip…

    1,866 installs
  46. polars-bio k-dense-ai/scientific-agent-skills

    Performs genomic interval overlap, nearest, merge, coverage, complement and subtraction on Polars DataFrames, and reads or writes BED, VCF, BCF, BAM, CRAM, GFF, GTF, FASTA and FASTQ data. Use for coordinate-aware genomi…

    1,865 installs
  47. neuropixels-analysis k-dense-ai/scientific-agent-skills

    Analyzes Neuropixels extracellular recordings end-to-end with SpikeInterface. Covers loading SpikeGLX/Open Ephys/NWB data, preprocessing, drift/motion correction, Kilosort4 (and CPU) spike sorting, quality metrics, and…

    1,864 installs
  48. pyopenms k-dense-ai/scientific-agent-skills

    Processes mass spectrometry data with pyOpenMS. Supports proteomics and metabolomics workflows—feature detection, peptide/protein identification, label-free quantification, adduct/accurate-mass annotation, and complex L…

    1,864 installs
  49. postgres-best-practices neondatabase/postgres-skills

    Best practices and guidelines for working with Postgres. Covers schema design, indexing strategies, query optimization, migrations, and common pitfalls. Use when writing SQL, designing database schemas, optimizing queri…

    1,859 installs
  50. tiledbvcf k-dense-ai/scientific-agent-skills

    Stores and retrieves genomic variant calls with TileDB-VCF. Use for indexed single-sample VCF/BCF ingestion, incremental cohorts, region and sample queries, streaming results, allele statistics, QC, and VCF/BCF export l…

    1,858 installs