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How to see what depends on a function before you change it with Graphicle

Build the code graph and list the code that depends on a symbol before you edit it.

Who it is forA developer or reviewer who is about to change a shared function and needs to know what else might break.

The problemChanging a widely used function without knowing its callers can break code far from the edit, and manual tracing is slow.

The outcomeA list of the code that depends on the symbol, taken from the code graph, to guide testing and review.

What you need first

  • A local Git repository with the code you want to index
  • Homebrew, or the install script from the Graphicle README, to install the program
  • A terminal on macOS or Linux, or the Windows preview build for x86-64
  • A coding agent that supports MCP, such as Claude Code, Codex or Cursor (optional, for agent use)

Steps

  1. Install Graphicle and open a terminal in the repository with cd your-repo.
  2. Build the code graph with graphicle graph extract . --code-only.
  3. Run graphicle graph affected "retry()", replacing retry() with your function.
  4. Review each listed dependent and decide which ones to test or update.
  5. Run graphicle doctor if the command reports a problem with the install.

Prompt for your agent

In the Graphicle-AI/graphicle repository's code graph, run `graphicle graph extract . --code-only` in <repo-path>, then `graphicle graph affected "<symbol>()"`. Expected output: a list of code that depends on the symbol. Verify by opening two listed dependents and confirming they call or import the symbol.

Caveat. The code graph covers calls and imports that the parser can see, so treat the list as a guide to check, not a complete proof of impact.

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