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

database-optimizer VoltAgent Community subagent This subagent reviews slow queries, execution plans, and indexes. Use it when a database needs query, schema, or configuration tuning. Claude Code 3,320installs mathmodel-figure-templates jihe520 skill Runs packaged Python and matplotlib scripts to generate publication-grade scientific figures. Useful when you need Taylor diagrams, ROC curves, or correlation grids quickly. Claude Code CX Codex Cursor +1 1,700installs firebase sickn33 skill Guides Firebase architecture, Firestore security rules, and Cloud Functions based on read-heavy query patterns and pricing limits. Claude Code CX Codex Cursor +1 1,600installs geofeed-tuner official Sid Mathur skill Validates and refines CSV IP geolocation feeds against RFC 8805 standards. Useful for network operators and cloud providers publishing geofeeds. GitHub Copilot 1,300installs data-engineer VoltAgent Community subagent Designs data pipelines, ETL/ELT workflows, and data infrastructure. Use it when a project needs pipeline orchestration, data quality checks, or processing cost analysis. Claude Code 3,194installs ads-attribution AgriciDaniel skill Audits advertising attribution across platforms and blocks totals built from incompatible conversion reports. Use it when GA4, MMP, or platform figures disagree. Claude Code CX Codex Cursor +1 3,400installs data-scientist Seth Hobson subagent This subagent explores datasets, tests statistical hypotheses, and builds predictive models. It can be added to Claude Code, Codex, or Cursor. Claude Code CX Codex Cursor 3,342installs graphql-architect https://github.com/Jeffallan skill Designs schema-first GraphQL APIs, Apollo Federation 2.5+ subgraphs, and DataLoader resolvers to eliminate N+1 queries. Claude Code CX Codex Cursor +1 4,000installs ads-amazon AgriciDaniel skill Audits Amazon Ads profiles and campaign signals, from targeting to ACOS and TACOS. Use it when reviewing account structure, reporting, and proposed campaign changes. Claude Code CX Codex Cursor +1 3,300installs cloud-architect VoltAgent Community subagent Designs, reviews, and optimizes multi-cloud infrastructure across AWS, Azure, and GCP while planning migrations and disaster recovery. Claude Code 3,067installs clickhouse-best-practices ClickHouse Inc skill A skill with rules for reviewing ClickHouse schemas, queries, and configurations. Helps agents avoid common mistakes in table design, JOIN optimization, and data batching. Claude Code CX Codex Cursor +1 21,600installs ml-pipeline https://github.com/Jeffallan skill Sets up production-grade ML pipelines: configures MLflow experiment tracking, generates Kubeflow or Airflow DAGs, and validates training datasets. Claude Code CX Codex Cursor +1 3,900installs data-engineer Seth Hobson subagent A subagent for data pipelines, warehouses, and streaming architectures. Use it for Apache Spark, dbt, Airflow, and cloud data platform work. Claude Code CX Codex Cursor 3,194installs AgentDB Advanced Features ruvnet skill Skill for distributed AgentDB systems: QUIC-synchronized nodes, multi-database management, custom distance metrics, and hybrid vector-plus-metadata search across AI agent networks. Claude Code CX Codex Cursor +1 1,100installs AgentDB Performance Optimization ruvnet skill Skill for vector database optimization in AgentDB: reduce memory 4–32x via quantization, speed up search 150x via HNSW indexing, add caching and batch inserts. Claude Code CX Codex Cursor +1 1,100installs ReasoningBank with AgentDB ruvnet skill Adds adaptive memory to coding agents using the AgentDB vector engine. Useful for recording agent execution paths, judging outcomes, and distilling recurring patterns. Claude Code CX Codex Cursor +1 1,100installs V3 Memory Unification ruvnet skill Pushes seven separate memory layers onto one AgentDB store with an HNSW index, then answers semantic queries through a single service. Claude Code CX Codex Cursor +1 1,100installs AgentDB Memory Patterns ruvnet skill This skill gives AI agents persistent memory: AgentDB stores session history, learns from conversations, and restores context between runs. Claude Code CX Codex Cursor +1 1,100installs AgentDB Vector Search ruvnet skill A skill for fast semantic document retrieval using AgentDB's vector database. Use it for RAG systems, search engines, and knowledge bases where you need relevant results from large text collections. Claude Code CX Codex Cursor +1 1,100installs spark-engineer https://github.com/Jeffallan skill Writes PySpark jobs and digs into why they crawl: DataFrame transforms, Spark SQL, skewed keys, streaming. Useful when a job burns itself on shuffle or runs out of memory. Claude Code CX Codex Cursor +1 3,800installs file-conversion Seth Hobson skill Converts local media, documents, and data formats using tools already installed on your machine. Prevents uploading files to third-party APIs. Claude Code CX Codex Cursor 3,100installs arize-dataset official arize skill This skill manages Arize datasets and examples through ax. Use it for test sets, evaluation examples, and dataset exports. GitHub Copilot 1,100installs arize-annotation official arize skill Creates annotation schemas and review queues in Arize, then updates span labels through the Python SDK. Use it for human review workflows. GitHub Copilot 1,100installs pathway-enrichment K-Dense-AI skill Runs pathway and gene-set enrichment analysis on gene lists or ranked data, finds over-represented GO terms, KEGG, Reactome, MSigDB. Needed after differential expression, CRISPR screens, or clustering. Claude Code CX Codex Cursor +1 1,400installs bulk-rnaseq K-Dense-AI skill Prepares bulk RNA-seq reads, Salmon, and STAR outputs into validated gene-level count matrices for differential expression in PyDESeq2. Claude Code CX Codex Cursor +1 1,400installs huggingface-datasets huggingface skill Guides Dataset Viewer API work for inspecting Hugging Face datasets, rows, statistics, and parquet links. Use it when an agent needs read-only dataset exploration. Claude Code CX Codex Cursor +1 2,400installs marimo-pair marimo-team skill Connects an agent to a live marimo notebook runtime to inspect variables and commit cell updates safely. Claude Code CX Codex Cursor +1 12,600installs dataset-curation Seth Hobson skill This skill formats and checks datasets for model fine-tuning. Use it to prepare data for SFT or preference training before a run. Claude Code CX Codex Cursor 2,600installs gmgn-market GMGNAI skill Fetches crypto candlestick charts, trending tokens, and launchpad feeds via GMGN API. Useful for tracking new meme coins and checking contract risks directly from the agent. Claude Code CX Codex Cursor +1 17,800installs onekgpd K-Dense-AI skill Queries the 1000 Genomes Project cohort at the participant level. It identifies variant carriers across 3,202 individuals and calculates relatedness. Claude Code CX Codex Cursor +1 1,100installs dsql awslabs skill A deprecated compatibility redirect that points the agent to the canonical Aurora DSQL skill. Use it when old dsql references still appear in a project. Claude Code CX Codex Cursor +1 540installs database-admin Seth Hobson subagent This subagent helps plan, migrate, monitor, and operate cloud databases. Use it for architecture work, reliability tasks, and database operations. Claude Code CX Codex Cursor 2,185installs vector-search ruvnet skill Runs vector search over corpora via HNSW embeddings and routes queries across up to 11 hot patterns in WASM. Claude Code CX Codex Cursor +1 751installs okx-dex-market okx skill Read-only DEX skill version 4.6.6 for querying token liquidity, holder clusters, whale signals, wallet PnL, and sniper bundles. Claude Code CX Codex Cursor +1 19,100installs ml-engineer VoltAgent Community subagent An agent for building ML training pipelines, serving infrastructure, and automated retraining. It helps deploy production machine learning systems. Claude Code 1,971installs vector-embed ruvnet skill Turns a string or a file into a 384-dimension vector with ruvector and keeps it in an HNSW index for semantic search. Claude Code CX Codex Cursor +1 731installs migrate-create ruvnet skill Creates sequential up/down SQL migration pairs for database schema changes. Use it when adding tables, columns, indexes, or constraints. Claude Code CX Codex Cursor +1 729installs kg-traverse ruvnet skill Explores AgentDB knowledge graph relationships starting from a seed entity. It pinpoints dependency chains and indirect connections when analyzing code impact. Claude Code CX Codex Cursor +1 727installs quant-analyst sickn33 skill A quant skill for the agent: financial models, strategy backtests and risk metrics, built on pandas, numpy and scipy. Claude Code CX Codex Cursor +1 942installs genomic-coordinates K-Dense-AI skill Converts genomic coordinates between BED, VCF, and GTF formats, and normalises variant representations. Useful when reconciling coordinate systems, indels, and assembly contigs. Claude Code CX Codex Cursor +1 939installs