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code-graph

Explore relationships between functions and files using a prebuilt code graph, a map of code dependencies. Trace bugs, inspect callers and execution paths, and assess the impact of refactoring or proposed changes.

中文简介正在准备中。当前显示英语简介。

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Query the pre-built code-review-graph knowledge graph (Tree-sitter, whole monorepo) instead of walking call chains with Grep+Read – 2-6x cheaper, and it catches dynamic dispatch that grep misses. Use for ANY task that spans multiple files, even when the user never mentions a graph or asks for it - fixing or tracing a bug ("fix this bug", "why does X happen", "trace this"), exploring unfamiliar code ("how does X work", "who calls X", "what imports Y", "where is X used or handled"), planning or doing a refactor ("rename X", "is it safe to change or remove X", "what would break", "blast radius", "find dead code"), or reviewing changes ("review this PR", "review this branch or diff"). When you are about to Grep for a symbol's callers, callees, or importers, use this skill.

查看安装方法

适用场景

  • Explore callers and dependencies in unfamiliar code
  • Trace a bug across multiple files
  • Assess the impact of renaming or removing code
  • Review changes by risk and test coverage

包含的文件(1)

  • SKILL.md3.7 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Code graph (code-review-graph MCP)

Four modes (explore, debug, refactor, review) share the same setup and tools. Full setup, version pin, rebuild, troubleshooting: .ai/MCP.md ("code-review-graph MCP").

Bootstrap once per session

Graph MCP tools are deferred, so a direct call fails with InputValidationError. Load schemas first with one ToolSearch (comma-separate the tools the task needs):

ToolSearch query: "select:mcp__code-review-graph__query_graph_tool,mcp__code-review-graph__get_impact_radius_tool,mcp__code-review-graph__detect_changes_tool,mcp__code-review-graph__get_affected_flows_tool"

Keep the graph current

A graph built on another branch makes detect_changes report function names from unrelated files. The PostToolUse hook syncs after edits; rebuild manually after git checkout / git pull / large merges:

pipx run code-review-graph==2.3.6 status
pipx run code-review-graph==2.3.6 build

Modes

Explore

  1. list_graph_stats, then list_communities and get_community.
  2. semantic_search_nodes finds a function or class by name (keyword match).
  3. query_graph with callers_of / callees_of / importers_of / children_of.
  4. list_flows and get_flow for execution paths.

Debug

  1. semantic_search_nodes for code related to the symptom.
  2. query_graph callers_of and callees_of; the triggering entry point is usually upstream.
  3. get_flow through suspect areas; get_impact_radius on suspect files.
  4. Verify the branch, then detect_changes (recent changes are the most common cause).

Refactor

  1. get_impact_radius and get_affected_flows before touching code.
  2. refactor_tool mode rename previews every affected location; dead_code finds unreferenced code; suggest proposes community-driven splits.
  3. apply_refactor_tool with the refactor_id applies a previewed rename.
  4. detect_changes afterwards.

refactor_tool, apply_refactor_tool, and find_large_functions are not validated on this codebase: treat output as hypotheses, verify each edit against the code, and preview before applying.

Review

  1. detect_changes (risk-scored), get_affected_flows, get_impact_radius.
  2. Test coverage: grep for *.spec.js / *.unit.js (tests_for returns 0 incorrectly for many files). Suggest cases for untested changes.

Report grouped by risk (high/medium/low): what changed and why it matters, test-coverage status, suggested improvements, overall merge recommendation.

Cross-cutting rules

  • Pass detail_level: "minimal" (standard mode inflates tokens ~6x).
  • Use fully qualified names: path/to/file.ts::ClassName.methodName; bare names return "ambiguous".
  • Use list_communities + get_community in place of get_architecture_overview (~3.9M characters, overflows context).
  • Grep is cheaper than children_of for single-file structure.

Target: any graph task in 5 tool calls or fewer.

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