Edit wiki/data-and-analysis.md — Awesome Claude Skills

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# data & analysis

## data exploration

related: [[communication-and-writing|communication and writing]] · [[creative-and-media|creative and media]] · [[business-and-marketing|business and marketing]] · [[document-processing|document processing]]

must-install:

- **[graphify](https://github.com/safishamsi/graphify)** (22.1k stars) — turn any folder into a queryable knowledge graph. also in [[communication-and-writing]]. genuinely powerful for navigating large codebases or doc collections.

nice to have:

- **[CSV Data Summarizer](https://github.com/coffeefuelbump/csv-data-summarizer-claude-skill)** — auto-analyzes CSV files with visualizations. by @coffeefuelbump. pair with [D3.js](https://github.com/chrisvoncsefalvay/claude-d3js-skill) from [[creative-and-media]] for richer visuals.
- **[postgres](https://github.com/sanjay3290/ai-skills/tree/main/skills/postgres)** — safe read-only SQL queries with defense-in-depth security. by @sanjay3290. useful if you regularly query Postgres from Claude.

## research

must-install:

- **[last30days](https://github.com/mvanhorn/last30days-skill)** (20.7k stars) — cross-platform topic research. also in [[communication-and-writing]]. covers Reddit, X, YouTube, HN, Polymarket — the breadth is what makes it.
- **[scientific-agent-skills](https://github.com/K-Dense-AI/scientific-agent-skills)** (18.1k stars) — research, science, engineering, analysis, finance, writing. massive scope.

nice to have:

- **[deep-research](https://github.com/sanjay3290/ai-skills/tree/main/skills/deep-research)** — autonomous multi-step research via Gemini. also in [[development]] and [[communication-and-writing]]. solid if you want Gemini doing the heavy lifting.

## debugging

must-install:

- **[root-cause-tracing](https://github.com/obra/superpowers/tree/main/skills/root-cause-tracing)** — traces errors to original trigger. from [[frameworks|obra/superpowers]]. this is the one to grab first.
- **[systematic-debugging](https://github.com/obra/superpowers/tree/main/skills/systematic-debugging)** — structured debugging. also in [[development]].

skip:

- **[LangSmith Fetch](https://github.com/ComposioHQ/awesome-claude-skills/tree/main/langsmith-fetch/)** — debug LangChain/LangGraph via execution traces. by @OthmanAdi. only useful if you're already in the LangChain ecosystem.