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CodeGraph MCP: tree-sitter knowledge graph with symbol search, callers/callees, and impact analysis, auto-syncing on file changes (requires Node.js + npm on PATH)

TypeScript conventions: TSDoc + strict typing rules

Playwright MCP: browser automation and accessibility-tree page snapshots via Microsoft's @playwright/mcp (requires Node.js 18+)

Infrastructure-as-code conventions: Terraform module patterns + hygiene and production Docker/compose rulebook

draw.io diagram skill (vendored from jgraph/drawio-mcp): author as Mermaid or draw.io XML with optional ELK auto-layout; export PNG/SVG/PDF with embedded XML or open via app.diagrams.net (draw.io Desktop optional, only for conversion/export)

Incremental teaching skill: structured Socratic dialogue for deep code understanding via /coding-teacher

macOS notifications on permission prompts, idle waits, and task completion via Notification + Stop hooks

Code Review Graph MCP: tree-sitter knowledge graph tooling for impact analysis

Blindspot pass: survey unfamiliar territory, surface unknown unknowns, and turn them into a sharper prompt before work begins

Documentation drift detection hook: prompts Claude to review docs for stale references after code changes