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MCP Tools: code-review-graph

IMPORTANT: This project has a knowledge graph. ALWAYS use the code-review-graph MCP tools BEFORE using Grep/Glob/Read to explore the codebase. The graph is faster, cheaper (fewer tokens), and gives you structural context (callers, dependents, test coverage) that file scanning cannot.

When to use graph tools FIRST

  • Exploring code: semantic_search_nodes_tool or query_graph_tool instead of Grep
  • Understanding impact: get_impact_radius_tool instead of manually tracing imports
  • Code review: detect_changes_tool + get_review_context_tool instead of reading entire files
  • Finding relationships: query_graph_tool with callers_of/callees_of/imports_of/tests_for
  • Architecture questions: get_architecture_overview_tool + list_communities_tool

Fall back to Grep/Glob/Read only when the graph doesn't cover what you need.

Key Tools

Tool Use when
detect_changes_tool Reviewing code changes — gives risk-scored analysis
get_review_context_tool Need source snippets for review — token-efficient
get_impact_radius_tool Understanding blast radius of a change
get_affected_flows_tool Finding which execution paths are impacted
query_graph_tool Tracing callers, callees, imports, tests, dependencies
semantic_search_nodes_tool Finding functions/classes by name or keyword
get_architecture_overview_tool Understanding high-level codebase structure
refactor_tool Planning renames, finding dead code

Workflow

  1. The graph auto-updates on file changes (via hooks).
  2. Use detect_changes_tool for code review.
  3. Use get_affected_flows_tool to understand impact.
  4. Use query_graph_tool pattern="tests_for" to check coverage.