MCP Code Review Server – AI code review in your editor

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Code review as an MCP server. Connect it to Claude Code, Cursor, or any MCP-compatible AI assistant.

Features

review_code — Review any source code snippet for bugs, security, performance, and style

review_diff — Review a git diff for potential issues before merging

review_file — Review a local file by path

Powered by the same methodology as our Code Review Agent: OWASP Top 10 scanning, N+1 query detection, race condition analysis, and structured output with severity ratings.

Quick Start

Via uvx (no install)

Add to your Claude Code MCP config:

claude mcp add code-review -- uvx aicraft-code-review

Or add to your ~/.cursor/mcp.json or claude_desktop_config.json:

{ "mcpServers": { "code-review": { "command": "uvx", "args": ["mcp-code-review"] } } }

Via pip

pip install aicraft-code-review python -m mcp_code_review

Usage Examples

Once connected, ask your AI assistant:

"Review this Python code for security issues: [paste code]" "Review this diff before I commit: [paste diff]" "Review this file: /path/to/file.py"

The AI will call the MCP server and return structured results.

Sample Output

Review Results

🔴 Critical (1)

| Line | Issue | Category | Fix | |------|-------|----------|-----| | 42 | SQL injection via f-string | Security | Use parameterized queries |

🟠 High (2)

| Line | Issue | Category | Fix | |------|-------|----------|-----| | 15 | Unvalidated user input | Security | Add input validation | | 78 | N+1 query in loop | Performance | Add select_related |

Summary

• Critical: 1 — must fix
• High: 2 — should fix
• Medium: 0
• Info: 0

Development

git clone https://github.com/GoodJobwilliam/aicraft cd aicraft pip install -e ".[dev]" python -m mcp_code_review # Start server

Requirements

Python 3.11+

An MCP-compatible client (Claude Code, Cursor, etc.)

License

MIT