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build-graph — Claude Code skill: graph setup

Builds or updates a repository knowledge graph for code review. Use it during first setup, after a branch switch, or following a large refactor.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add tirth8205/code-review-graph --skill build-graph -a claude-code
Open on GitHub

What build-graph does

This skill builds a repository knowledge graph and supports incremental updates. It first checks stats with list_graph_stats_tool, then chooses a full rebuild or an incremental run through build_or_update_graph_tool. The result reports ok, partial, or error together with a summary.

The graph database lives at .code-review-graph/graph.db in the repository root. Binary files, dependency and build directories, plus patterns from .code-review-graphignore, are skipped. Supported languages can be checked with get_docs_section_tool using the languages section.

After code-review-graph install, hooks update the graph after each edit and before each commit, so manual builds are usually occasional. Check those hooks after installation, because otherwise substantial repository changes require a manual update.

What it helps with

  • build a knowledge graph for a new repository
  • refresh the graph after switching branches
  • rebuild the graph after a large refactor
  • inspect the graph update status and summary
  • skip dependency and build directories during graph construction

Example prompts for the agent

  • Run the `build-graph` skill and create the knowledge graph for this repository.
  • Run `build-graph full` after a large refactor.
  • Check the graph stats and perform an incremental update with `build-graph`.

How to install build-graph

1Skills CLI (Vercel)

npx skills add tirth8205/code-review-graph --skill build-graph -a claude-code

2Manually: put the files in place

~/.claude/skills/build-graph/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/build-graph/

From the same set7

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review-delta tirth8205 This skill reviews changes since the last commit and maps their blast radius. Use it for focused code review without loading the whole project. Claude Code CX Codex Cursor +1 1,200installs review-changes tirth8205 Reviews a change set through a knowledge graph, scoring risk and tracing impact. Use it to inspect changed functions, affected flows, and missing tests. Claude Code CX Codex Cursor +1 1,100installs refactor-safely tirth8205 Plans a refactor from a dependency graph, lists edits before a rename and checks the impact radius before large changes. Claude Code CX Codex Cursor +1 1,100installs explore-codebase tirth8205 Guides coding agents through repository structure using the code-review-graph MCP knowledge graph under tight token budgets. Claude Code CX Codex Cursor +1 1,100installs review-pr tirth8205 This skill reviews a PR or branch through a code knowledge graph, showing risk, affected flows, and test gaps. Use it when a diff needs structural context. Claude Code CX Codex Cursor +1 1,100installs debug-issue tirth8205 This skill traces bugs through a code graph before source inspection, then checks call paths and change impact. Use it when an issue needs a narrower debugging scope. Claude Code CX Codex Cursor +1 1,000installs

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Questions about build-graph

How do I install build-graph in Claude Code?

Run npx skills add tirth8205/code-review-graph --skill build-graph -a claude-code, then run the same command again: npx skills add tirth8205/code-review-graph --skill build-graph -a claude-code. The skill file is at ~/.claude/skills/build-graph/SKILL.md.

What does build-graph do?

It creates or updates a repository knowledge graph for code review. It performs a full rebuild during first initialization or with the full argument, and uses an incremental update otherwise.

When should I run a full graph rebuild?

Run a full rebuild during initial repository setup, after switching branches, after a large refactor, or when the graph appears stale. Use build-graph full for that run.

Source text

SKILL.md · MIT 
---
name: build-graph
description: Build or update the code review knowledge graph. Run this first to initialize, or let hooks keep it updated automatically.
argument-hint: "[full]"
---

# Build Graph

Build or incrementally update the knowledge graph for this repository.

## Steps

1. Call `list_graph_stats_tool`. If `last_updated` is null, the graph has never been built.
2. For a first build, or when the argument is `full`, call `build_or_update_graph_tool(full_rebuild=True)`. Otherwise call `build_or_update_graph_tool()` for an incremental update.
3. Report the response: `status` (`ok`, `partial` or `error`) and `summary`.

## When to Use

- First set-up of a repository, or after a branch switch or large refactor.
- When the graph looks stale. Hooks installed by `code-review-graph install` run an update after each edit and before each commit, so manual builds are rarely needed.

## Notes

- The database is `.code-review-graph/graph.db` in the repository root.
- Binary files, dependency and build directories, and patterns in `.code-review-graphignore` are skipped.
- For the list of supported languages call `get_docs_section_tool(section_name="languages")`.

© tirth8205 · MIT · tirth8205/code-review-graph

See also

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