# Fetch Diff

> Fetch PR diff with filtering and line numbers for code review.

- Skill: `majiayu000/fetch-diff` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/fetch-diff`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/fetch-diff/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/fetch-diff

---


# Fetch PR Diff

Fetches a pull request diff, filters out auto-generated files, and adds line numbers for easier review comment placement.

## Usage

```bash
uv run skills fetch-diff <pr_url>
```

Example:

```bash
uv run skills fetch-diff https://github.com/mlflow/mlflow/pull/123
```

Token is auto-detected from `GH_TOKEN` env var or `gh auth token`.

## Output Example

```
diff --git a/path/to/file.py b/path/to/file.py
index abc123..def456 100644
--- a/path/to/file.py
+++ b/path/to/file.py
@@ -10,7 +10,7 @@
10    10 |  import os
11    11 |  import sys
12    12 |  from typing import Optional
13       | -from old_module import OldClass
      14 | +from new_module import NewClass
14    15 |
15    16 |  def process_data(input_file: str) -> dict:
```