Data and databases: skills, plugins, subagents, slash commands and mcp servers

networkx K-Dense-AI skill Build, analyse and visualise Python graphs with NetworkX. Use it for routes, centrality, communities and graph file formats. Claude Code CX Codex Cursor +1 2,000installs polars K-Dense-AI skill The skill gives agents reference material on Polars, the Python DataFrame library with lazy evaluation and an expression-based API for ETL and pandas migration. Claude Code CX Codex Cursor +1 2,000installs mvcc tursodatabase skill Architectural reference for experimental MVCC in Turso: row versioning, snapshot isolation, and known memory limits. Useful when working on database internals. Claude Code CX Codex Cursor +1 1,200installs differential-fuzzer tursodatabase skill This skill guides Turso differential fuzzer runs and investigates differences against SQLite. Use it when generated SQL may expose correctness bugs. Claude Code CX Codex Cursor +1 1,200installs transaction-correctness tursodatabase skill Explains how transactions work in Turso: WAL mechanics, checkpointing, crash recovery, and concurrency rules. Claude Code CX Codex Cursor +1 1,200installs rag-architect https://github.com/Jeffallan skill Designs production RAG systems: chunks documents, generates embeddings, configures vector stores, builds hybrid search pipelines, and evaluates retrieval quality. Claude Code CX Codex Cursor +1 4,700installs pyopenms K-Dense-AI skill Processes mass spectrometry data for proteomics and metabolomics using pyOpenMS. It detects features, identifies peptides, and generates multi-sample quantification matrices. Claude Code CX Codex Cursor +1 1,900installs polars-bio K-Dense-AI skill Genomic interval arithmetic on Polars DataFrames, plus readers and writers for formats from BED to CRAM. Built for coordinate-aware joins in a Python pipeline. Claude Code CX Codex Cursor +1 1,900installs histolab K-Dense-AI skill Prepares whole-slide histology images by segmenting tissue masks, extracting tiles, and normalizing H&E staining. Claude Code CX Codex Cursor +1 1,900installs matchms K-Dense-AI skill Cleans, filters, and compares tandem mass spectra using matchms. Useful for searching MS/MS reference libraries, calculating spectral similarity, and building score matrices. Claude Code CX Codex Cursor +1 1,900installs usfiscaldata K-Dense-AI skill Queries U.S. Treasury fiscal data for debt, statements, rates and auctions through a REST API. Use it when federal financial figures are needed without an API key. Claude Code CX Codex Cursor +1 1,900installs scvelo K-Dense-AI skill Runs RNA velocity analysis from spliced and unspliced count matrices using scVelo. Useful for directional trajectory hypotheses alongside Scanpy workflows. Claude Code CX Codex Cursor +1 1,900installs pytdc K-Dense-AI skill Integrates Therapeutics Data Commons workflows into coding agents to discover ML datasets, plan task splits, and run molecular oracles safely. Claude Code CX Codex Cursor +1 1,900installs geniml K-Dense-AI skill Checks BED and genomic-universe contracts, then plans Region2Vec and scEmbed runs. Use it before local genomic-interval analysis. Claude Code CX Codex Cursor +1 1,900installs depmap K-Dense-AI skill A skill for discovering and analyzing Cancer Dependency Map data. Helps examine CRISPR Chronos gene effects, co-essentiality, and PRISM compound responses. Claude Code CX Codex Cursor +1 1,900installs pysam K-Dense-AI skill Guides agents through Python and HTSlib workflows for genomic files like BAM, CRAM, and VCF. Useful when extracting alignments, filtering reads, and computing coverage. Claude Code CX Codex Cursor +1 1,900installs neurokit2 K-Dense-AI skill Builds reproducible physiological time-series workflows in NeuroKit2 0.2.13. Helps audit biosignals, verify data contracts, and prevent package conflicts. Claude Code CX Codex Cursor +1 1,900installs zarr-python K-Dense-AI skill Stores and queries chunked N-D scientific arrays with Zarr-Python 3. Useful for configuring sharding, codecs, and remote storage access. Claude Code CX Codex Cursor +1 1,900installs pymatgen K-Dense-AI skill Analyzes, validates, converts, and transforms materials structures and computed data with pymatgen. Use it for phase diagrams, symmetry checks, electronic-structure files, and bounded Materials Project queries. Claude Code CX Codex Cursor +1 1,900installs imaging-data-commons K-Dense-AI skill Skill for searching and downloading public medical imaging data from the NCI Imaging Data Commons repository. Works with DICOM, CT, MR, PET and digital pathology without authentication for basic queries. Claude Code CX Codex Cursor +1 1,900installs vaex K-Dense-AI skill A skill for columnar analysis on a single machine when data exceeds available memory. Process HDF5, Arrow, CSV, and Parquet through lazy Vaex expressions, virtual columns, and streamed statistics. Claude Code CX Codex Cursor +1 1,900installs benchling-integration K-Dense-AI skill Automates Benchling laboratory data workflows using Python SDK 1.25.0 and REST API v2. Useful for managing registry entities, sample inventory, and ELN entries. Claude Code CX Codex Cursor +1 1,900installs datamol K-Dense-AI skill Guides an agent through molecular data work with datamol and RDKit, from SMILES parsing to descriptors, clustering, and 3D conformers. Claude Code CX Codex Cursor +1 1,900installs cellxgene-census K-Dense-AI skill A skill for programmatic access to CZ CELLxGENE Census, a vast catalog of standardized single-cell transcriptomics data. Query metadata, gene expression, and embeddings without downloading entire datasets. Claude Code CX Codex Cursor +1 1,900installs pydicom K-Dense-AI skill Inspects and processes local DICOM files, transfer syntaxes, and pixel data. Enforces strict metadata allowlists to prevent sensitive patient data from leaking into logs. Claude Code CX Codex Cursor +1 1,900installs rdkit K-Dense-AI skill Guides coding agents through cheminformatics tasks in Python, including SMILES parsing, descriptor calculations, and 3D coordinate generation. Claude Code CX Codex Cursor +1 1,900installs gget K-Dense-AI skill Bioinformatics skill providing unified access to over 20 genomic databases via CLI and Python. Useful for gene lookups, alignments, and protein structure downloads. Claude Code CX Codex Cursor +1 1,900installs anndata K-Dense-AI skill Skill to create, read, and transform annotated data matrices in h5ad and Zarr formats. Integrates with the scverse ecosystem for transcriptomics and other metadata-rich data analysis. Claude Code CX Codex Cursor +1 1,900installs bioservices K-Dense-AI skill Guides Python workflows using BioServices to query biological databases. Useful for mapping protein IDs, extracting KEGG pathways, and resolving chemical identifiers. Claude Code CX Codex Cursor +1 1,900installs geomaster K-Dense-AI skill Guides geospatial research work with satellite imagery, vector and raster GIS data, coordinate systems, spatial statistics, and Earth observation models. Claude Code CX Codex Cursor +1 1,900installs scikit-bio K-Dense-AI skill Analyzes biological sequences, alignments, and phylogenetic trees directly in your terminal. Helpful for microbiome workflows and ecology data. Claude Code CX Codex Cursor +1 1,900installs geopandas K-Dense-AI skill Guides Python geospatial workflows using GeoPandas, audits vector geometries, and verifies CRS transformations before execution. Claude Code CX Codex Cursor +1 1,900installs biopython K-Dense-AI skill Automates computational biology workflows: parses sequence files, runs alignments, and fetches records via NCBI Entrez. Claude Code CX Codex Cursor +1 1,900installs scikit-survival K-Dense-AI skill A skill that walks an agent through scikit-survival 0.28.0: building, tuning and auditing survival models on censored data, with metrics that account for censoring. Claude Code CX Codex Cursor +1 1,900installs business-analyst Seth Hobson subagent This subagent analyzes business data and helps shape KPIs, forecasts, and financial models. Use it to turn a business question into an analysis plan and recommendations. Claude Code CX Codex Cursor 3,855installs sql-pro VoltAgent Community subagent Subagent for optimizing complex SQL queries, designing database schemas, and fixing performance bottlenecks across PostgreSQL, MySQL, SQL Server, and Oracle. Claude Code 3,602installs langchain-rag langchain-ai skill Equips coding agents with reference RAG implementations in Python and TypeScript using LangChain loaders, splitters, and vector stores. Claude Code CX Codex Cursor +1 17,500installs primekg K-Dense-AI skill Wraps the PrimeKG precision-medicine CSV in pandas helpers, so the agent can look up typed nodes, neighbours, disease summaries and short paths without leaving the repo. Claude Code CX Codex Cursor +1 1,800installs sql-pro Seth Hobson subagent Helps design database schemas, inspect query plans, and tune SQL for OLTP and OLAP systems. Use it for database optimization or complex analysis. Claude Code CX Codex Cursor 3,602installs data-scientist VoltAgent Community subagent Subagent for exploratory data analysis, hypothesis testing, and building machine learning models directly in Claude Code. Claude Code 3,342installs