github_pr_diff

GitHub PR Code Review Diff Tool

Fetch diff files and patch details for any GitHub pull request to enable automated AI code reviews. Also retrieves review comments for a PR.

Closes #45

Parameters

Parameter	Type	Required	Description
action	string	No	"diff" for changed files & patches, "comments" for review comments (default "diff")
repo	string	Yes	Repository in owner/repo format
pr_number	integer	Yes	Pull request number
include_patch	boolean	No	Include unified diff patch content per file (default true)

Environment Variables

Variable	Description
GITHUB_TOKEN	Optional. A GitHub personal access token. Not required for public repos but raises rate limits.

Installation & Setup

cd tools/github_pr_diff
npm install

Usage Examples

Fetch PR diff (changed files & patches)

import { getPRDiff } from "./index";

const result = await getPRDiff("facebook/react", 28000, {
  include_patch: true,
});
console.log(result);
// {
//   success: true,
//   pull_request: { number, title, state, author, additions, deletions, ... },
//   files: [{ filename, status, additions, deletions, patch, ... }],
//   file_count: 5
// }

Fetch PR review comments

import { getPRComments } from "./index";

const result = await getPRComments("facebook/react", 28000);
console.log(result);
// {
//   success: true,
//   pull_request_number: 28000,
//   comments: [{ id, path, body, user, line, ... }],
//   count: 12
// }

Using the dispatcher

import { runTool } from "./index";

const diff = await runTool("diff", "owner/repo", 42);
const comments = await runTool("comments", "owner/repo", 42);