Understand Code

Plugin understand-code from marketplace understand-code in chifanjie/Tomato. Commands read from the repo's manifest — 26 days ago.

Skills (11)

• understand-chat

  Use when you need to ask questions about a codebase or understand code using a knowledge graph

• understand-dashboard

  Launch the interactive web dashboard to visualize a codebase's knowledge graph

• understand-diff

  Use when you need to analyze git diffs or pull requests to understand what changed, affected components, and risks

• understand-doctor

  Diagnose an Understand Code installation — plugin root, build state, graph and knowledge-base freshness — and report exactly what to run next. Use when a /understand command fails, when the dashboard shows no graph or no knowledge base, or when the user asks whether the plugin is installed correctly

• understand-domain

  Extract business domain knowledge from a codebase and generate an interactive domain flow graph. Works standalone (lightweight scan) or derives from an existing /understand knowledge graph.

• understand-explain

  Use when you need a deep-dive explanation of a specific file, function, or module in the codebase

• understand-full

  Run the full Understand Code workflow: generate graph, launch dashboard, generate knowledge base, and link the dashboard to the generated knowledge base

• understand-kb

  Generate a complete Markdown knowledge base from an existing understand-code code knowledge graph

• understand-knowledge

  Analyze a Karpathy-pattern LLM wiki knowledge base and generate an interactive knowledge graph with entity extraction, implicit relationships, and topic clustering.

• understand-onboard

  Use when you need to generate an onboarding guide for new team members joining a project

• understand

  Analyze a codebase to produce an interactive knowledge graph for understanding architecture, components, and relationships

Subagents (12)

• architecture-analyzer

  Analyzes a codebase's file structure, summaries, and import relationships to identify logical architectural layers and assign every file to exactly one layer.

• article-analyzer

  Analyzes markdown files using pre-parsed structural data and LLM inference to extract knowledge graph nodes and edges (entities, claims, implicit relationships, topic clustering).

• assemble-reviewer

  Reviews the output of merge-batch-graphs.py for semantic issues the script cannot catch. Recovers dropped nodes/edges and fills cross-batch gaps.

• domain-analyzer

  Analyzes codebases to extract business domain knowledge — domains, business flows, and process steps. Produces a domain-graph.json that maps how business logic flows through the code.

• file-analyzer

  Analyzes batches of source files to produce knowledge graph nodes and edges. Extracts file structure, functions, classes, and relationships using a two-phase approach: structural extraction script followed by LLM semantic analysis.

• graph-reviewer

  Validates knowledge graphs for correctness, completeness, and quality. Runs systematic checks and renders approval or rejection decisions.

• kb-featured-writer

  Writes source-grounded project overview, reading entry, capability, flow and module pages from the exact featured plan.

• kb-file-writer

  Generates complete Chinese file-level knowledge documents from file-doc tasks, graph context, and source code.

• kb-topic-writer

  Generates Chinese topic documents for important functions/classes selected from the complete file-document layer.

• knowledge-graph-guide

  Use this agent when users need help understanding, querying, or working with an Understand-Anything knowledge graph. Guides users through graph structure, node/edge relationships, layer architecture, tours, and dashboard usage.

• project-scanner

  Scans a codebase directory to produce a structured inventory of all project files, detected languages, frameworks, import maps, and estimated complexity.

• tour-builder

  Designs guided learning tours through codebases, creating 5-15 pedagogical steps that teach project architecture and key concepts in logical order.

Hooks (2)

• PostToolUse

  node "${CLAUDE_PLUGIN_ROOT}/hooks/understand-code-hook.mjs" post-tool-use 2>/dev/null || true

• SessionStart

  node "${CLAUDE_PLUGIN_ROOT}/hooks/understand-code-hook.mjs" session-start 2>/dev/null || true

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