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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tomevault-io Bundle CockroachdbCockroachDB distributed SQL database. Use for geo-distributed data. Use when this capability is needed.
- tomevault-io Bundle Guanyang Antigravity Skills XLSX
Requirements for Outputs
- tomevault-io Bundle SQL Style
SQL style guide with formatting, naming conventions, and query best practices Use when this capability is needed.
- tomevault-io Bundle XLSX Reader
Read and extract data from Excel (.xlsx) files efficiently using Python. Use when opening, reading, analyzing, or inspecting xlsx/Excel spreadsheets, extracting tabular data to JSON, inspecting sheet structure or headers, converting spreadsheet data for processing, or any task involving .xlsx files. Triggers on references to xlsx, Excel, spreadsheet files, or data extraction from workbooks. Use when this capability is needed.
- tomevault-io Bundle Data Ml
Competence in data analytics and machine learning, enabling developers to build data-driven features and integrate AI/ML capabilities. Use when this capability is needed.
- tomevault-io Bundle Exa Websets Search
Use for creating websets, running searches, importing CSV data, managing items, and adding enrichments to extract structured data. Use when this capability is needed.
- tomevault-io Bundle Xano Security
Security best practices for Xano - Row Level Security (RLS), SQL injection prevention, authentication patterns, and input validation. Use when building secure APIs or auditing existing endpoints. Use when this capability is needed.
- tomevault-io Bundle Spreadsheet Management
This skill should be used when the user asks about Google Sheets, spreadsheets, cells, rows, columns, charts, or data tables. Activates for reading, writing, formatting, or analyzing spreadsheet data. Use when this capability is needed.
- tomevault-io Bundle Excel
Creating & editing Excel workbooks via CLI Use when this capability is needed.
- tomevault-io Bundle Excel Fixer
Auto-detect and fix common Excel formatting issues like merged cells, inconsistent types, duplicate headers, and encoding problems. Use when this capability is needed.
- tomevault-io Bundle Databricks Apps
Databricks Apps deployment, debugging, and configuration management. Use when working with Databricks Apps issues including deployment failures, app configuration (app.yaml), granting permissions to SQL warehouses or Unity Catalog resources, troubleshooting app errors, or managing app state (start/stop). Triggered by mentions of SESSION_APP_NAME, app.yaml, deployment errors, or permission issues with Apps. Use when this capability is needed.
- tomevault-io Bundle SQL Pro
Optimizes SQL queries, designs database schemas, and troubleshoots performance issues. Use when a user asks why their query is slow, needs help writing complex joins or aggregations, mentions database performance issues, or wants to design or migrate a schema. Invoke for complex queries, window functions, CTEs, indexing strategies, query plan analysis, covering index creation, recursive queries, EXPLAIN/ANALYZE interpretation, before/after query benchmarking, or migrating queries between database dialects (PostgreSQL, MySQL, SQL Server, Oracle). Use when this capability is needed.
- tomevault-io Bundle Unbuilt
Detect the full technology stack of any website by URL. Returns framework, UI library, bundler, state management, styling, tables, animations, forms, API patterns, monitoring, analytics, and more. Use when a user asks to analyze a website's tech stack, build something similar to an existing app, or understand what technologies a site uses. Use when this capability is needed.
- tomevault-io Bundle QA Security Auditor
Security and QA auditing workflow for QoreDB. Use when the user asks to "check security", "audit code", or before merging critical features. Checks for sensitive data leaks, dangerous permissions, and unsafe SQL patterns. Use when this capability is needed.
- tomevault-io Bundle Cdm Query
Unified intelligent query interface for the CDM DuckDB database. Use this skill when the user wants to query the linkml-coral CDM database. Automatically chooses between fast SQL translation and schema-aware intelligent queries based on complexity. Supports natural language questions, schema exploration, and data analysis. Use when this capability is needed.
- tomevault-io Bundle SQL Ecosystem
This skill should be used when working with SQL databases, "SELECT", "INSERT", "UPDATE", "DELETE", "CREATE TABLE", "JOIN", "INDEX", "EXPLAIN", transactions, or database migrations. Provides comprehensive SQL patterns across PostgreSQL, MySQL, and SQLite. Use when this capability is needed.
- tomevault-io Bundle Semrush CLI
SEMrush keyword research, domain analytics, backlinks, and competitive intelligence via the local semrush CLI tool Use when this capability is needed.
- tomevault-io Bundle Pst Converter
Convert Microsoft Outlook Personal Storage Table (.pst) files into AI-friendly formats (Markdown, JSON, CSV). Use this skill to extract emails, metadata, and attachments from legacy email archives for analysis, context, or migration. Use when this capability is needed.
- tomevault-io Bundle Query Expert
Master SQL and database queries across multiple systems. Generate optimized queries, analyze performance, design indexes, and troubleshoot slow queries for PostgreSQL, MySQL, MongoDB, and more. Use when this capability is needed.
- tomevault-io Bundle Anysite CLI
Operate the anysite command-line tool for web data extraction, batch API processing, multi-source dataset pipelines with scheduling/transforms/exports, database operations, and LLM-powered data analysis. Use when users ask to collect data from LinkedIn, Instagram, Twitter, or any web source via CLI; create or run dataset pipelines; schedule automated collection; batch-process API calls; query collected data with SQL; load data into PostgreSQL or SQLite; analyze data with LLM (summarize, classify, enrich, match, deduplicate); or work with anysite commands. Triggers on anysite CLI usage, data collection, dataset creation, scraping, API batch calls, scheduling, database loading, or LLM analysis tasks. Use when this capability is needed.
- tomevault-io Bundle Mongodb Natural Language Querying
Generate read-only MongoDB queries (find) or aggregation pipelines using natural language, with collection schema context and sample documents. Use this skill whenever the user asks to write, create, or generate MongoDB queries, wants to filter/query/aggregate data in MongoDB, asks "how do I query...", needs help with query syntax, or discusses finding/filtering/grouping MongoDB documents. Also use for translating SQL-like requests to MongoDB syntax. Does NOT handle Atlas Search ($search operator), vector/semantic search ($vectorSearch operator), fuzzy matching, autocomplete indexes, or relevance scoring - use search-and-ai for those. Does NOT analyze or optimize existing queries - use mongodb-query-optimizer for that. Does NOT handle aggregation pipelines that involve write operations. Requires MongoDB MCP server. Use when this capability is needed.
- tomevault-io Bundle R Ml
R machine learning packages. Use for classification, regression, clustering, deep learning, gradient boosting (xgboost, lightgbm), random forests, neural networks, and time series forecasting. Use when this capability is needed.
- tomevault-io Bundle Code Commenter
Add detailed comments explaining WHY code works, its context, edge cases, and performance implications. Use when user mentions "add comments", "document", "explain code", "improve readability", or "maintainability". Supports C++, Python, Java, JavaScript, Go, Rust, SQL. Use when this capability is needed.
- tomevault-io Bundle Excel Analyzer
分析任务类型 Use when this capability is needed.
- tomevault-io Bundle Install Mcpcat Python
Use when a user wants to add MCPCat analytics to their Python MCP server, install the mcpcat Python package, or integrate mcpcat.track() into an existing Python MCP server codebase.
- tomevault-io Bundle Verify And Test Tsql Syntax
Verify whether an exact T-SQL script is already supported by SqlScriptDOM, then add or update the correct parser tests and baselines. Use when a user asks if syntax already works, or when adding regression coverage for a specific script. Use when this capability is needed.
- tomevault-io Bundle SQL Best Practices
SQL development best practices for writing efficient, secure, and maintainable database queries Use when this capability is needed.
- tomevault-io Bundle Log Analytics
Generate and execute Python code to analyze large log datasets, detect patterns, and extract actionable insights Use when this capability is needed.
- tomevault-io Bundle Stripe Pulse
Check Stripe SaaS metrics from the terminal. Use when you need MRR, churn, LTV, NRR, ARPU, customer counts, MRR movements, reactivations, or a full dashboard. Triggers on 'check MRR', 'what's our churn', 'stripe metrics', 'how many customers', 'revenue breakdown', 'returning customers', 'reactivations', 'export metrics', or any Stripe analytics question. Runs `stripe-pulse` CLI commands and parses JSON output. Use when this capability is needed.
- tomevault-io Bundle Vandyg Power Bi Agent Powerbi SQL
PowerBI SQL Converter
- tomevault-io Bundle Vuln Patterns Core
Universal vulnerability detection patterns applicable across all programming languages. Includes hardcoded secrets, SQL/command injection, path traversal, and configuration file patterns. Use when this capability is needed.
- tomevault-io Bundle Rl Env From Description
Turns a user's plain-English description of an RL training environment into runnable code across the four target frameworks — OpenEnv, OpenReward (ORS), Verifiers, and NeMo Gym. Use whenever someone describes an environment they want to build ("I want to train an agent that does X", "make an env where the model has to Y"), asks to scaffold a new env, asks to port an existing env to one of these frameworks, or asks how to design tools/rewards/state for a new env. Use even when the user does not explicitly say "RL environment" — descriptions like "agent that browses the web", "tool-calling agent for SQL", or "game-playing agent" all qualify. Drives the full flow — clarifying interview, env-name selection, shared-domain extraction, per-framework implementation, and rollout-based smoke tests. Use when this capability is needed.
- tomevault-io Bundle Aleberriz Agent Skills Analytics Ml
ML Modeling
- tomevault-io Bundle Database Fundamentals
Reviews schema design, SQL queries, ORM patterns. Use when junior creates schema, writes queries, adds migrations, works with Prisma/MongoDB/PostgreSQL, or asks "is this SQL safe", "N+1", "index". Use when this capability is needed.
- tomevault-io Bundle Bio Instrument Data
Convert laboratory instrument output files (PDF, CSV, Excel, TXT) to Allotrope Simple Model (ASM) JSON format or flattened 2D CSV. Use this skill when scientists need to standardize instrument data for LIMS systems, data lakes, or downstream analysis. Supports auto-detection of instrument types. Outputs include full ASM JSON, flattened CSV for easy import, and exportable Python code for data engineers. Common triggers include converting instrument files, standardizing lab data, preparing data for upload to LIMS/ELN systems, or generating parser code for production pipelines. Use when this capability is needed.
- tomevault-io Bundle Write SQL Queries
Guide for writing SELECT, INSERT, UPDATE, DELETE queries with workers-qb 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 cockroachdb, guanyang--antigravity-skills--xlsx, sql-style. 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.