Claude Skills Online Marketplace

Dashboard parameters via dashboard_write — add_parameter types and value sources, the wire_parameter target grammar (target_field vs target_tag vs raw target), autowire, linked...

Dashboard layout with dashboard_write ops — the 24-column grid, per-display default sizes, explicit position vs autoplace, the KPI-row pattern, headings and text cards, tabs and...

Template tags for native SQL questions written through question_write's — tag kinds, field-filter vs raw-variable, the template_tags shape, widget types, [[ ]] optional blocks,...

The query dialect execute_query and question_write's accept — numeric table/field ids, clause shape, filters, aggregation, breakouts, joins, expressions, multi-stage queries,...

Choosing a card's and authoring for question_write and patch_dashcard — which chart fits which data shape, the output-column-name rule, minimum keys per chart family, map regions,...

Retrieves, versions, and publishes scientific datasets with DataLad and git-annex, and captures computational provenance with datalad run, rerun, and containers-run. Use when...

Edit Metabase serdes YAML files (cards, dashboards, databases) with correct portable references and structural conventions. Use when modifying exported YAML content.

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets...

Automate Snowflake data warehouse operations -- list databases, schemas, and tables, execute SQL statements, and manage data workflows via the Composio MCP integration.

Automate user behavior analytics with Microsoft Clarity -- export heatmap data, session metrics, and engagement analytics segmented by browser, device, country, source, and more...

Automate Google BigQuery tasks via Rube MCP (Composio): run SQL queries, explore datasets and metadata, execute MBQL queries via Metabase integration. Always search tools first...

Analyzes CSV files, generates summary stats, and plots quick visualizations using Python and pandas.

Design publication-quality scientific figures in Python (matplotlib, seaborn, plotly) and R (ggplot2). Covers DPI, vector vs raster, color-blind safe palettes, fonts, multi-panel...

Python-based workflow manager for reproducible, scalable pipelines. Define rules with file-based dependencies; Snakemake resolves execution order and parallelism. Runs local,...

Convert between sequence and annotation formats using Biopython SeqIO.convert and custom writers — including batch, lossy, and round-trip-safe patterns.

Compute length, GC, N50, L50, and per-file summaries for FASTA/FASTQ — including the N50 trick and modern streaming stats with Polars.

Load before calling the data table tools or parse-file. Use for natural standalone requests like "what data tables do I have?", "show/list my tables", or "what columns are in this...

Guides adding, changing, and reviewing telemetry through the event registry. Use when working on telemetry, analytics, tracking, product events, calls, or RudderStack/PostHog...

Creates and audits truthful, accessible, publication-ready scientific figures with Matplotlib, Seaborn, or Plotly. Use it for figure design, multi-panel layouts, uncertainty and...

Calculates sample sizes and statistical power for study planning. Applies when someone asks "how many subjects/samples/replicates do I need", wants an a priori power analysis, a...