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understand-chat — Knowledge-Graph Codebase Q&A

Answers questions about your codebase by grepping a prebuilt knowledge graph at `.ua/knowledge-graph.json`.

Dev & CodingIntermediate★ 78,314⑂ 6,578AI score 7/10Last updated: Jul 30, 2026

What it does

This skill answers codebase questions from a knowledge graph stored in the project (.ua/knowledge-graph.json, or the legacy .understand-anything/ path). Instead of dumping the whole JSON into context, it greps for just the nodes and edges that matter.

  • Searches node name, summary, and tags for your query keywords
  • Follows imports / calls / depends_on edges to build a 1-hop subgraph
  • Reports which architectural layer the matched nodes belong to
  • Compares the graph's recorded git commit against HEAD and the working tree, warning you when the graph is stale

Who it's for

  • Developers dropped into an unfamiliar large repository
  • Engineers checking a module's dependents before refactoring
  • Team leads onboarding new hires with code-grounded explanations
  • Teams that already generate graphs with the companion /understand command

Examples

  1. /understand-chat where does the checkout flow start? — traces entry-point functions and their call chain.
  2. /understand-chat what imports AuthService? — walks reverse edges to list the blast radius of a change.
  3. /understand-chat which config controls caching? — follows config nodes and configures edges to the affected components.

· · · Install guide · · ·

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the understand-anything-plugin/skills/understand-chat folder from the GitHub repo Egonex-AI/Understand-Anything into my ~/.claude/skills/understand-chat/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/Egonex-AI/Understand-Anything.git /tmp/understand-anything && mkdir -p ~/.claude/skills && cp -r /tmp/understand-anything/understand-anything-plugin/skills/understand-chat ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal and go to a working directory.
  2. Clone the repo: git clone https://github.com/Egonex-AI/Understand-Anything.git
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill: cp -r Understand-Anything/understand-anything-plugin/skills/understand-chat ~/.claude/skills/
  5. Verify that ~/.claude/skills/understand-chat/SKILL.md exists.
  6. Restart Claude Code, open the project you want to analyze, and run /understand first to build the knowledge graph (it ships with the same plugin).
  7. Then ask questions with /understand-chat <your question>.
View source on GitHub ↗License: MIT