Install PR Review MCP Server

Pick your client, copy the command, done.

Manual setup required. The maintainer's config contains paths only you know — edit the placeholders below before adding it to Claude Code.

Run this once before adding it to Claude Code.

git clone https://github.com/<your-username>/pr-review-mcp.git
cd pr-review-mcp
pip install -r requirements.txt

claude mcp add -e "GITHUB_TOKEN=${GITHUB_TOKEN}" -e "GITHUB_REPO=${GITHUB_REPO}" pr-review -- python /path/to/pr-review-mcp/server.py

Replace any placeholder paths in the command with the real path on your machine.

Required:GITHUB_TOKENGITHUB_REPO+ 1 optional

Environment Variables

Set these before running PR Review MCP Server.

VariableDescriptionRequired

GITHUB_TOKENGitHub Personal Access Token (classic) with repo scopeYes

GITHUB_REPOThe repository in owner/repo formatYes

MCP_DEBUGEnables verbose debug loggingNo

Once configured, PR Review MCP Server gives your AI agent access to:

list_open_prsLists open PRs in the configured repository.

get_pr_diffFetches the code diff for a specific PR number, filtering out binary/asset files.

pr_number

After setup, try these prompts with your AI agent:

→List open PRs

→Review PR #42

→What changed in PR #15?

Prerequisites & system requirements

An MCP-compatible client (Claude Code, Cursor, Windsurf, Claude Desktop, or Codex)
Python 3.8+ with pip installed
GITHUB_TOKEN — GitHub Personal Access Token (classic) with repo scope
GITHUB_REPO — The repository in owner/repo format

Save the docs, env vars, and workflow around PR Review MCP Server in Conare so Claude Code, Codex, and Cursor remember it next time.