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Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.

Use this skill when the user wants intellectual understanding — learning how or why something works, not getting a task done or soliciting Claude's judgment. Trigger for: - Explicit learning requests: teach, explain, ELI5, walk me through, quiz me, flashcards, "I'm rusty on"; definitions ("what is X") - Terse concept names implying "help me understand this": "Galois theory," "transformers, from scratch" - Confusion signals: "won't stick," "keep mixing these up," "not getting it" - Learning-path questions: prerequisites, sequencing, what to study before X - Conceptual questions about mechanisms, causes, or dynamics Don't trigger for: - Tasks: coding, writing, calculation, translation, factual lookup, news updates - Personal troubleshooting; resource/textbook recommendations - Claude's evaluative verdict: opinion prompts ("do you think X", "settle this", "honest take", "is X dead / still taken seriously") and interpretive takes ("was X really as harsh as people say")

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

Vibe-code Power BI custom visuals end-to-end: scaffold a TypeScript project, iterate on src/visual.ts and capabilities.json, validate with the Power BI Visuals SDK toolchain, package to .pbiviz, and import into a PBIR report. Invoke this skill whenever the user mentions "custom visual", "pbiviz", "powerbi-visuals-tools", "IVisual", "build a chart Power BI doesn't have", "developer visual", or wants a custom-built visual that the built-in Power BI library can't render. NOT for: changing colors / themes (use Power BI Themes), adding built-in visuals like bar/line/card/table (use Power BI Visuals), or modifying the data model.

Write, execute, and optimize DAX queries and measures for Power BI semantic models using pbi-cli. Invoke this skill whenever the user mentions DAX, queries data in Power BI, writes calculations, creates measures, asks about EVALUATE, SUMMARIZECOLUMNS, CALCULATE, time intelligence, or wants to analyze/aggregate data from a semantic model. Also invoke when the user asks to run a query, test a formula, or check row counts. This skill contains critical guidance on passing DAX expressions via CLI arguments -- multi-line DAX (VAR/RETURN) requires special handling.

Import and export TMDL/TMSL formats, manage model lifecycle with transactions, and version-control Power BI semantic models using pbi-cli. Invoke this skill whenever the user mentions "deploy", "export", "import", "TMDL", "TMSL", "version control", "git", "backup", "migrate", "transaction", "commit changes", "rollback", or wants to save/restore model state.

Troubleshoot Power BI model performance, trace query execution, manage caches, and verify the pbi-cli environment using pbi-cli. Invoke this skill whenever the user says "pbi not working", "setup issues", "connection failed", "slow query", "performance", "profiling", "tracing", "health check", "model audit", "pbi setup", or encounters any pbi-cli error. This is the first skill to check when something goes wrong with pbi-cli.

Auto-document Power BI semantic models by extracting metadata, generating documentation, and cataloging all model objects using pbi-cli. Invoke this skill whenever the user says "document this model", "what's in this model", "list everything", "data dictionary", "model inventory", "audit contents", "catalog", "describe the model", or wants to understand what objects exist in a semantic model.

Add, remove, and manage page-level and visual-level filters on Power BI PBIR reports using pbi-cli. Invoke this skill whenever the user mentions "filter", "TopN filter", "top 10", "bottom 5", "relative date filter", "last 30 days", "categorical filter", "include values", "exclude values", "clear filters", "slicer filter", "page filter", "visual filter", or wants to restrict which data appears on a page or in a specific visual.

Create and manage Power BI semantic model structure using pbi-cli -- tables, columns, measures, relationships, hierarchies, calculation groups, and date/calendar tables. Invoke this skill whenever the user says "create table", "add measure", "add column", "create relationship", "date table", "calendar table", "star schema", "mark as date table", "add hierarchy", "calculation group", or any model-building task. Also invoke when creating multiple measures at once -- the skill contains critical guidance on multi-line DAX expression handling.

Manage Power BI report pages and bookmarks -- add, remove, configure, and lay out pages in PBIR reports using pbi-cli. Invoke this skill whenever the user mentions "add page", "new page", "delete page", "page layout", "page size", "page background", "hide page", "show page", "drillthrough", "page order", "page visibility", "page settings", "page navigation", "bookmark", "create bookmark", "save bookmark", "delete bookmark", or wants to manage bookmarks that capture page-level state. Also invoke when the user asks about drillthrough configuration or pageBinding.

Manage Power BI table partitions, named expressions (M/Power Query data sources), and calendar table configuration using pbi-cli. Invoke this skill whenever the user mentions "partitions", "data sources", "M expressions", "Power Query", "incremental refresh", "named expressions", "connection parameters", or wants to configure how tables load data. For broader modeling tasks (measures, relationships, hierarchies), see power-bi-modeling instead.

Scaffold, validate, preview, and manage Power BI PBIR report projects using pbi-cli. Invoke this skill whenever the user mentions "create report", "new report", "PBIR", "scaffold", "validate report", "report structure", "preview report", "report info", "reload Desktop", "convert report", ".pbip project", "report project", or wants to understand the PBIR folder format, set up a new report from scratch, or work with the report as a whole. For specific tasks, see also: power-bi-visuals (charts, binding), power-bi-pages (page management), power-bi-themes (themes, formatting), power-bi-filters (page/visual filters).

Configure row-level security (RLS) roles, object-level security, and perspectives for Power BI semantic models using pbi-cli. Invoke this skill whenever the user mentions "security", "RLS", "row-level security", "access control", "data restrictions", "who can see", "filter by user", "perspectives", "limit visibility", or wants to restrict data access by role.

Apply, inspect, and compare Power BI report themes and conditional formatting rules using pbi-cli. Invoke this skill whenever the user mentions "theme", "colours", "colors", "branding", "dark mode", "corporate theme", "styling", "conditional formatting", "colour scale", "gradient", "data bars", "background colour", "formatting rules", "visual formatting", or wants to change the overall look-and-feel of a report or apply data-driven formatting to specific visuals.

Add, configure, bind data to, and bulk-manage visuals on Power BI PBIR report pages using pbi-cli. Invoke this skill whenever the user mentions "add a chart", "bar chart", "line chart", "card", "KPI", "gauge", "scatter", "table visual", "matrix", "slicer", "combo chart", "bind data", "visual type", "visual layout", "resize visuals", "bulk update visuals", "bulk delete", "visual calculations", or wants to place, move, bind, or remove any visual on a report page. Also invoke when the user asks what visual types are supported or how to connect a visual to their data model.

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.