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.
-
tomevault-io Bundle ReduceDeconstruct high-cost abstractions and recommend lower-level primitives that reduce tooling, indirection, and hidden steps. Use when requests ask for fewer layers (for example "too many layers", "remove this framework/plugin/DI", "ditch codegen/task runners", "replace with plain scripts/config/SQL"), or when prompts say "it feels over-engineered", "start simpler", or "reduce the size of the codebase" (analysis-only unless implementation is explicitly requested). Use when this capability is needed.
-
tomevault-io Bundle SpreadsheetUse when tasks involve creating, editing, analyzing, or formatting spreadsheets (`.xlsx`, `.csv`, `.tsv`) using Python (`openpyxl`, `pandas`), especially when formulas, references, and formatting need to be preserved and verified.
-
tomevault-io Bundle M4 APIUse the M4 Python API to query clinical datasets programmatically. Use when writing code to access clinical databases, executing SQL via Python, or performing multi-step data analysis. Use when this capability is needed.
-
tomevault-io Bundle Evtxecmd MapsUnderstand, author, and validate EvtxECmd map files that normalize Windows event log EventData into first-class CSV/JSON columns. Use when this capability is needed.
-
tomevault-io Bundle Docs AcsetGoogle Docs/Sheets management via ACSet condensation. Transforms documents into GF(3)-typed Interactions, tracks comments/cells, detects saturation when all comments resolved. Use for document workflows, spreadsheet automation, or applying ANIMA principles to Workspace documents. Use when this capability is needed.
-
tomevault-io Bundle Zhongjis Nix Config XLSXRequirements for Outputs
-
tomevault-io Bundle Build And VerifyBuild, compile, run server/client/cluster, execute unit/stateless/SQL tests, verify results, and troubleshoot build/test failures. Make sure to use this skill whenever the user mentions building, compiling, ninja, cmake, running tests, test failures, starting the server, or pre-commit checks, even if they just say 'it doesn't build' or 'the test broke'. Use when this capability is needed.
-
tomevault-io Bundle Query BuilderConvert natural language questions into SQL queries. Activates when users ask data questions in plain English like "show me users who signed up last week" or "find orders over $100". Use when this capability is needed.
-
tomevault-io Bundle Scientific Visualization ToolsScientific visualization workflow guide for publication-ready static figures with seaborn or matplotlib and interactive figures with Plotly. Use when the user asks for scientific plots, cohort or assay figures, publication graphics, dashboards, or reusable plotting scripts for research datasets. Use when this capability is needed.
-
tomevault-io Bundle GrdbUse when writing raw SQL with GRDB, complex joins across 4+ tables, window functions, ValueObservation for reactive queries, or dropping down from SQLiteData for performance. Direct SQLite access for iOS/macOS with type-safe queries and migrations.
-
tomevault-io Bundle FoxguardApply foxguard's secure-coding patterns when writing or fixing security-sensitive code. Use proactively when handling user input, shelling out, building SQL, doing file I/O, fetching URLs, generating randomness, or touching crypto. Use when this capability is needed.
-
tomevault-io Bundle Dct InferUse this skill when the user wants to generate SQL CREATE TABLE statements from data files, infer schema from CSV/JSON/Parquet, create database schemas from existing data, or get column types from a file. Triggers include "generate schema", "create table from csv", "infer types", "what's the schema", "get column types", "sql ddl", or when preparing data for SQL databases like DuckDB, PostgreSQL, or similar.
-
tomevault-io Bundle Sqlx DatabaseAsync Rust SQL toolkit with compile-time checked queries. Use when this capability is needed.
-
tomevault-io Bundle CoingeckoComplete CoinGecko Solana API integration for token prices, DEX pool data, OHLCV charts, trades, and market analytics. Use for building trading bots, portfolio trackers, price feeds, and on-chain data applications. Use when this capability is needed.
-
tomevault-io Bundle Security ReviewPerforms security reviews of Hone code using OWASP guidelines. Use when reviewing database queries, CSV import logic, API endpoints, authentication, encryption, or when the user asks about security. Use when this capability is needed.
-
tomevault-io Bundle Cycle PlanPlan Linear cycles using velocity analytics. Suggests scope based on historical capacity, identifies dependency risks, balances workload. Use when this capability is needed.
-
tomevault-io Bundle Chdb EvalUse chdb (embedded ClickHouse) to evaluate and validate ClickHouse SQL syntax without a running server. Use for SQL syntax validation and testing. Use when this capability is needed.
-
tomevault-io Bundle Mmd CLIUse the MIDI Markdown Compiler (mmdc) CLI for compiling MMD to MIDI, validating syntax, real-time playback with TUI, exporting to different formats (JSON, CSV, table), and managing device libraries. Use when the user wants to compile, validate, play, inspect MMD files, or work with device libraries. Use when this capability is needed.
-
tomevault-io Bundle UniverBuild spreadsheet applications using Univer, a TypeScript spreadsheet library. Use for rendering spreadsheets, handling cell data, managing images/drawings, data validation, conditional formatting, and spreadsheet events. Use when this capability is needed.
-
tomevault-io Bundle Security ScanRun comprehensive security vulnerability scans when reviewing code. Automatically uses basic mode (fast, high/medium severity only) for first reviews, advanced mode (comprehensive, all severities) for iterations. Detects SQL injection, XSS, hardcoded secrets, insecure dependencies. Use before approving any code changes or pull requests. Use when this capability is needed.
-
tomevault-io Bundle Drizzle OrmGuidelines for developing with Drizzle ORM, a lightweight type-safe TypeScript ORM with SQL-like syntax Use when this capability is needed.
-
tomevault-io Bundle Simple File UnderstandingUnderstand and analyze CSV files. Use when the task involves reading, parsing, or answering questions about data in a CSV file. Use when this capability is needed.
-
tomevault-io Bundle Dune AnalyticsQuery Dune Analytics API for blockchain data, pyUSD flows, stablecoin metrics, and on-chain analytics. Use when analyzing DeFi protocols, token flows, or building dashboards. Use when this capability is needed.
-
tomevault-io Bundle XlsformAuthoring data collection forms in Excel for mobile surveys. XLSForm converts Excel files to XForms for ODK, KoBoToolbox, and similar platforms. Use for field surveys, data collection, conditional forms, GPS tracking, and offline data gathering. Use when this capability is needed.
-
tomevault-io Bundle Naiquevin Tapestry TapestryTapestry SQL Template Skill
-
tomevault-io Bundle Databricks CLIExpert guidance for using the Databricks CLI to manage Databricks workspaces, clusters, jobs, pipelines, Unity Catalog, SQL warehouses, serving endpoints, secrets, bundles, and all other Databricks resources. Use this skill when running databricks commands, managing Databricks infrastructure, deploying bundles, querying serving endpoints, managing Unity Catalog objects, or automating Databricks workflows. Trigger keywords include "databricks", "databricks cli", "dbfs", "unity catalog", "databricks bundle", "databricks jobs", "databricks clusters", "sql warehouse", "serving endpoint", "databricks secrets". Use when this capability is needed.
-
tomevault-io Bundle Apache Spark Catalyst APIExpert guidance for working with the Apache Spark Catalyst query optimisation framework. Use this skill when working with Spark SQL internals, creating custom expressions, implementing query optimisations, working with logical/physical plans, or extending Catalyst. Trigger keywords include "catalyst", "spark sql", "expression", "logical plan", "physical plan", "tree node", "query optimisation", "rule executor", "analyzer", "optimizer", "code generation". Use when this capability is needed.
-
tomevault-io Bundle Database SQLDesign database schemas, write efficient SQL queries, create migrations, and optimize database performance. Use when working with databases, writing queries, or designing data models. Use when this capability is needed.
-
tomevault-io Bundle DB QueryQuery the Balance prod or sandbox PostgreSQL database. Use when the user asks to look up, investigate, or query data in the database, check DB state, debug data issues, or needs information that requires SQL queries. Handles Vault authentication and credential retrieval automatically. Use when this capability is needed.
-
tomevault-io Bundle Benchflow AI Skillsbench XLSXRequirements for Outputs
-
tomevault-io Bundle Parse CLIUse this skill to extract and list tables from Excel files using the eparse CLI. Call when you need to discover or extract tabular data from one or more Excel files or directories. Supports output to console, SQLite, or PostgreSQL.
-
tomevault-io Bundle Codemo1991 Nanobot Webui XLSXRequirements for Outputs
-
tomevault-io Bundle SqlmodelBuild SQL database integrations with SQLModel for FastAPI projects. Use when working with databases in Python, defining ORM models, creating CRUD operations, managing sessions, or integrating SQL databases with FastAPI. SQLModel combines Pydantic v2 and SQLAlchemy into a single unified API. Use when this capability is needed.
-
tomevault-io Bundle DimcliQuery the Dimensions Analytics API using the dimcli CLI tool. Use when the user wants to search or retrieve data from Dimensions — publications, grants, patents, clinical trials, datasets, researchers, organisations, policy documents, or reports. Triggers on requests like "search Dimensions for...", "find publications about...", "look up grants on...", "query the Dimensions API", or "/dimcli". Use when this capability is needed.
-
tomevault-io Bundle Check Metadata TyposCheck .meta.yml and snapshot .dvc files for spelling typos using codespell. Use when user mentions typos, spelling errors, metadata quality, or wants to check metadata files for mistakes. Use when this capability is needed.
-
tomevault-io Bundle Oxy App BuilderBuild and edit Oxy data app YAML files (*.app.yml) that visualize data through tasks and displays. Use when users ask to create dashboards, data apps, reports, or interactive analytics interfaces. Helps define SQL/workflow/agent tasks and render outputs as tables, charts, and markdown. Use when this capability is needed.
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 reduce, spreadsheet, m4-api. 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.