skills/ds-tools/SKILL.md
This skill should be used when the user asks 'what data science tools are available', 'list data analysis plugins', 'what skills work with data', 'enable data science code intelligence', or needs to discover data-specific plugins and skills like wrds, lseg-data, gemini-batch, or data context skills. Use this for data science tool discovery; use dev-tools for general development tool discovery.
npx skillsauth add edwinhu/workflows ds-toolsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Plugins and skills for data science workflows. For general development tools (testing, automation), see /dev-tools.
| Plugin | Description | Enable Command |
|--------|-------------|----------------|
| serena | Semantic code analysis, symbol navigation | claude --enable-plugin serena@claude-plugins-official |
| pyright-lsp | Python type checking and diagnostics | claude --enable-plugin pyright-lsp@claude-plugins-official |
| context7 | Up-to-date library docs (pandas, numpy, sklearn, etc.) | claude --enable-plugin context7@claude-plugins-official |
These are skills, not plugins - already available:
| Skill | Description |
|-------|-------------|
| /wrds | WRDS (Wharton Research Data Services) queries |
| /lseg-data | LSEG Data Library (formerly Refinitiv), plus driving Workspace Web over CDP |
| /bmll | BMLL Data Lab — Level 3 order book, Trades Plus, markouts, venue analysis (bmll2/bmll). Private submodule; needs access to edwinhu/bmll-skill |
| /gemini-batch | Gemini Batch API for large-scale LLM processing |
| /data-context | Extract tribal knowledge about datasets, generate data context skills |
| /fuzzy-name-matching | Entity resolution / record linkage when datasets share only a name (TF-IDF + sparse_dot_topn) |
| Skill | Description |
|-------|-------------|
| /ds-tables | Publication tables — pyfixest etable() regressions, great_tables formatting |
| /jupytext | Jupyter notebooks as text files |
| /marimo | Marimo reactive Python notebooks |
| /xlsx | Spreadsheets, formulas, CSV conversion |
| /pdf | PDF extraction, creation, form filling |
| /docx | Word docs, tracked changes, reports |
claude --enable-plugin <plugin-name> # Enable for current session
development
Build the meeting-level proxy-voting × ownership panel on the WRDS SGE grid — ISS N-PX fund votes reduced to (item × block) direction cells, joined to institutional and mutual-fund ownership. Use when working with risk.voteanalysis_npx, N-PX fund-level votes, ISS→CRSP fund linking, index/passive/active voting blocks, or a proxy-voting panel that needs ownership attached.
development
Use when "CRSP CIZ", "CRSP v2", "CRSP flat file format 2.0", "crsp.dsf_v2 / msf_v2", "StkDlySecurityData", "StkMthSecurityData", "StkSecurityInfoHist", "stocknames_v2", "DlyRet / MthRet / DlyPrc / MthPrc", "SHRCD or EXCHCD equivalent in new CRSP", "SIZ to CIZ migration", "CRSP data after 2024", "CRSP delisting returns", "CRSP cumulative adjustment factors", "CRSP index INDNO / INDFAM", or any CRSP stock/index query where the legacy SIZ column names no longer exist.
development
Use when linking or deduping datasets by entity name rather than a shared key — 'fuzzy match', 'fuzzy name matching', 'entity resolution', 'record linkage', 'match company/person names', 'dedupe entity names', 'name-based join', 'bridge identifiers' (CIK ↔ permno ↔ gvkey ↔ wficn ↔ EIN ↔ personid), or any use of char n-gram TF-IDF, cosine similarity on names, `sparse_dot_topn`, or RapidFuzz at scale.
development
Use when building a publication-quality table in Python — 'regression table', 'results table', 'summary statistics table', 'etable', 'coefplot', 'great_tables', 'GT', 'gt table', 'format a table for the paper', 'export table to LaTeX/HTML', significance stars, spanners, or column formatting for a table headed into a paper, slide deck, or notebook.