Data & Analytics

lifangda Bundle

EDA toolkit. Analyze CSV/Excel/JSON/Parquet files, statistical summaries, distributions, correlations, outliers, missing data, visualizations, markdown reports, for data profiling and insights.

lifangda Bundle

Fast DataFrame library (Apache Arrow). Select, filter, group_by, joins, lazy evaluation, CSV/Parquet I/O, expression API, for high-performance data analysis workflows.

harshahosur81 Skill

Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or optimizing application performance.

harshahosur81 Skill

Master dbt (data build tool) for analytics engineering with model organization, testing, documentation, and incremental strategies. Use when building data transformations, creating data models, or implementing analytics engineering best practices.

peparhugo Bundle

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas

agents-inc Bundle

SQL query builder for PostgreSQL, MySQL, SQLite, and MSSQL -- fluent queries, schema builder, migrations, seeds, transactions, raw queries

agents-inc Bundle

CockroachDB distributed SQL -- transaction retries, multi-region, online schema changes, follower reads, PostgreSQL compatibility gaps

tryboy869 Bundle

[Applies to: **/*] Comprehensive guidelines for writing high-performance, secure, and maintainable Supabase applications, covering SQL style, data modeling, security, and testing.

agents-inc Bundle

PostHog analytics and feature flags setup

tyler-r-kendrick Bundle

USE FOR: CRUD data access with LINQ, database migrations, change tracking, complex domain models with relationships, database-first and code-first workflows, and multi-provider support (SQL Server, PostgreSQL, SQLite, Cosmos DB). DO NOT USE FOR: Bulk operations on millions of rows without batching extensions, latency-critical read-only queries where Dapper is faster, or non-relational data that does not fit an entity model.

tryboy869 Bundle

[Applies to: **/*] This guide defines the definitive best practices for writing clean, performant, and maintainable PostgreSQL SQL, focusing on modern conventions and avoiding common pitfalls.

tyler-r-kendrick Bundle

USE FOR: High-performance SQL queries mapped to POCOs, read-heavy and latency-critical data access, stored procedure invocation, multi-mapping joins, bulk operations, and scenarios requiring full SQL control. DO NOT USE FOR: Schema migrations (use EF Core or FluentMigrator), complex object-graph change tracking, or applications where a full ORM with lazy loading is needed.

tyler-r-kendrick Bundle

USE FOR: Running Apache Spark jobs from C# or F#, distributed big data processing with DataFrames and RDDs, Spark SQL queries from .NET, ETL pipelines at scale, and integration with Hadoop ecosystem data sources. DO NOT USE FOR: Small-dataset processing that fits in memory (use LINQ), real-time stream processing without Spark Streaming, general-purpose .NET microservices, or scenarios where .NET for Apache Spark (Microsoft.Spark) is preferred on .NET Core.

agents-inc Bundle

PostHog event tracking, user identification, group analytics for B2B, GDPR consent patterns. Use when implementing product analytics, tracking user behavior, setting up funnels, or configuring privacy-compliant tracking.

tyler-r-kendrick Bundle

Use when creating architecture diagrams with the D2 declarative diagramming language by Terrastruct. D2 offers advanced layout control, nested containers, scenarios, and multiple rendering engines. USE FOR: architecture diagrams, system design diagrams, declarative diagramming, nested container diagrams, sequence diagrams, grid layouts, SQL table diagrams, scenario-based diagrams, diagrams requiring advanced layout control, D2 syntax, D2 CLI usage DO NOT USE FOR: GitHub-native diagram rendering (use mermaidjs), C4 model diagrams (use c4-diagrams), UML specification compliance (use uml or plantuml)

tryboy869 Bundle

Apply for PostgreSQL schema design, queries, migrations, and performance. Covers: indexes, constraints, JSONB, migrations with Alembic, connection pooling, query optimization. Trigger for: database, PostgreSQL, SQL, schema, migration, query, index.

lvtd-llc Bundle

Design, implement, test, and ship SQL-backed persistence for Go CLIs using database/sql, explicit pool ownership, bounded startup checks, embedded migrations, transaction boundaries, parameterized queries, adapter error mapping, Scanner and Valuer types, SQLite or server databases, and real-driver integration tests. Use when a Go command stores durable state in SQL, initializes a local database, applies schema changes, or needs safe repository and transaction behavior.

itsimonfredlingjack-codex-dev-plugin Bundle

Expert data scientist for advanced analytics, machine learning, and statistical modeling. Handles complex data analysis, predictive modeling, and business intelligence. Use PROACTIVELY for data analysis tasks, ML modeling, statistical analysis, and data-driven insights.

itsimonfredlingjack-codex-dev-plugin Bundle

Master modern business analysis with AI-powered analytics, real-time dashboards, and data-driven insights. Build comprehensive KPI frameworks, predictive models, and strategic recommendations. Use PROACTIVELY for business intelligence or strategic analysis.

lvtd-llc Bundle

Plan, measure, and iterate LinkedIn content experiments using post hypotheses, format tests, analytics, comments, and learning loops. Use when comparing LinkedIn hooks, formats, topics, hashtags, posting cadence, newsletters, documents, videos, or content performance data.

fdu-ins Bundle

HealthSim generates realistic synthetic healthcare data for testing EMR systems, claims processing, pharmacy benefits, and analytics. Use for ANY request involving: (1) synthetic patients, clinical data, or medical records, (2) healthcare claims, billing, or adjudication, (3) pharmacy prescriptions, formularies, or drug utilization, (4) HL7v2, FHIR, X12, or NCPDP formatted output, (5) healthcare testing scenarios or sample data generation.

tryboy869 Bundle

Apply for pandas-scikit-learn-guide-cursorrules-prompt-file. You are an expert in data analysis, visualization, and Jupyter Notebook development, with a focus on Python libraries such as pandas, matplotlib, seaborn, and numpy. Key Principles: - Write concise, t

pleaseai Bundle

Answer questions about Bun — the all-in-one JavaScript/TypeScript toolkit — and write code using its runtime, package manager, test runner, and bundler. Use when developers call Bun-native APIs (`Bun.serve`, `Bun.file`, `Bun.write`, `Bun.spawn`, `Bun.$` shell, `Bun.SQL`, `Bun.RedisClient`, `Bun.build`, `HTMLRewriter`); import `bun:*` modules (`bun:test`, `bun:sqlite`, `bun:ffi`, `bun:jsc`); run CLI commands (`bun install`/`add`/`run`/`test`/`build`, `bunx`, `bun create`, `bun --compile`); configure `bunfig.toml`, `bun.lock`, workspaces, catalogs, overrides, isolated installs, trustedDependencies, or lifecycle scripts; bundle with loaders, plugins, or macros; write `bun:test` tests (`mock`, `spyOn`, `mock.module`, snapshots, coverage); or need Node.js compatibility, JSC vs V8 differences, or migration from npm/yarn/pnpm/jest/vitest.

pleaseai Skill

Convert documents to Markdown using MarkItDown MCP tools. Use when the user wants to convert PDF, read PPTX, extract text from DOCX, convert document to markdown, or mentions .pdf/.docx/.pptx/.xlsx/.xls/.ppt/.doc files for reading or conversion. Triggers on phrases like "convert to markdown", "read this document", "extract text from", "parse this file" with binary document formats.

fdu-ins Bundle

Answers any question about ZenMux by reading the latest official documentation. Use this skill whenever the user asks about ZenMux product features, API usage, configuration, integration, pricing, models, providers, routing, fallback, streaming, multimodal, structured output, tool calling, reasoning, prompt caching, image generation, video generation, web search, long context, observability, logs, cost tracking, usage analytics, insurance, subscription, pay-as-you-go, invoices, best practices for tools like Claude Code, Cursor, Cline, CodeX, Gemini CLI, opencode, Cherry Studio, Obsidian, Sider, Open-WebUI, Dify, Neovate, GitHub Copilot, OpenClaw, CC-Switch, Immersive Translate, Studio Chat, architecture, benchmarks, FAQ, contact, privacy, terms of service, compliance, or any other ZenMux-related topic. Also trigger when the user writes in Chinese about ZenMux: 文档, 使用指南, 快速开始, API 参考, 最佳实践, 模型路由, 供应商路由, 订阅, 按量计费, 可观测性, 帮助, 常见问题, 接入指南, 配置. Trigger on phrases like "how to use ZenMux", "ZenMux docs", "ZenMux API"

fdu-ins Skill

Analyze insurance claims workflow systems for intake optimization, adjudication rules, subrogation, litigation management, and settlement analytics. Use when: 'audit claims process', 'review FNOL workflow', 'evaluate claims automation', 'check subrogation recovery', 'assess claims fraud detection', 'optimize claims cycle time', 'review Guidewire ClaimCenter setup'.

fdu-ins Bundle

Personal finance assistant for budgeting, savings goals, investment tracking, debt optimization, tax preparation, insurance review, net worth tracking, and financial scenario modeling. Supports multi-currency, bank statement import (CSV/MT940/OFX), and locale-based tax rules. Use for any personal finance question: budget planning, expense tracking, portfolio allocation, FIRE calculations, debt payoff strategies, mortgage comparisons, tax deductions, insurance coverage, retirement planning, and life events with financial impact such as marriage, buying a house, changing jobs, having a baby, or going freelance.

fdu-ins Bundle

Output format specifications for healthcare data standards. Use when generating or converting data to FHIR R4, HL7v2 (ADT/ORM/ORU), C-CDA, X12 (837/835/834/270-271), NCPDP D.0, CDISC SDTM/ADaM, CSV, SQL, or dimensional analytics formats.

pramoddutta Skill

Customize resume for specific job postings while maintaining truthfulness

pramoddutta Skill

Write and run Artillery load tests with YAML phases and scenarios, CSV data payloads, the expect plugin for functional checks, and ensure thresholds that fail CI when latency or error budgets are breached.

pramoddutta Skill

Search feature testing including relevance scoring, autocomplete, typo tolerance, faceted search, pagination, and search analytics verification.

fdu-ins Skill

Instructions for managing CI pipelines, GitHub Actions workflows, Airflow DAGs, and automation scripts in the insurance analytics project.

tonone-ai Skill

Analytics and BI engineer — dashboards, metrics design, reporting pipelines, and data storytelling. Use when asked to "build a dashboard", "design a metric", "write a report", or "audit our analytics".

fdu-ins Bundle

Perform a loss reserve analysis on P&C insurance loss development triangles. Use this skill whenever the user uploads loss triangles (paid or incurred), Schedule P data, or asks about reserve adequacy, reserve sufficiency, IBNR estimation, loss development analysis, loss reserve review, or ultimate loss projections. Also trigger when the user mentions chain ladder, Bornhuetter-Ferguson, Cape Cod, loss development factors, tail factors, or actuarial reserving methods. This skill reads triangles from Excel or CSV, runs multiple standard actuarial methods, diagnoses unusual patterns, and produces a formatted Excel report with exhibits. Even if the user just says 'check my reserves', 'run development on this triangle', or 'analyze my loss reserves', use this skill.

fdu-ins Skill

Organize, track, and value a trading card game collection. Covers inventory methods, storage best practices, grade-based valuation, want-list management, and collection analytics for Pokemon, MTG, Flesh and Blood, and Kayou cards. Use when starting a new collection and setting up inventory tracking, cataloging an existing collection that has grown beyond casual knowledge, valuing a collection for insurance or sale, or deciding which cards to submit for professional grading based on value potential.

fdu-ins Bundle

Senior software engineer at UnitedHealth Group with deep expertise in healthcare technology, claims processing, and health data analytics. Use when architecting healthcare systems, processing claims at scale, building HIPAA-compliant solutions, or optimizing health data pipelines. Use when: healthcare-engineering, claims-processing, health-data-analytics, Optum-technology,