🔍 DiffPilot

Local AI Code Review Before You Push

💡 Why DiffPilot?

Review your code locally before creating a PR. DiffPilot is an MCP server that lets you:

1. Self-Review Before PR - Run AI code review on your local changes after your last commit, before pushing

2. Reviewer Workflow - As a code reviewer, checkout the source branch locally and get AI-assisted review

3. Auto Branch Detection - No need to specify main - DiffPilot finds your base branch automatically

🔒 100% Local - No cloud, no external APIs. Works with Azure DevOps, TFS, air-gapped environments.

Related MCP server: grippy-code-review

🚀 Quick Start

Install

# VS Code Marketplace
ext install BurakKalafat.diffpilot

# Or NuGet (.NET tool)
dotnet tool install -g DiffPilot

Use with GitHub Copilot

# Review my changes (auto-detects base branch)
@workspace #review_pr_changes

# Review with focus areas
@workspace #review_pr_changes focus on security and error handling

# Generate commit message
@workspace #generate_commit_message

# Scan for secrets before committing
@workspace #scan_secrets

🛠️ 9 MCP Tools

PR Review Tools

Developer Tools

✨ Key Features

🛡️ Security

DiffPilot implements enterprise-grade security features:

Auto-Redacted Patterns: API keys, AWS credentials, GitHub/Slack tokens, JWTs, passwords, private keys, connection strings.

See SECURITY.md for full documentation.

📋 Use Cases

1. Self-Review Before PR

# After finishing your work, before creating PR:
@workspace #review_pr_changes

# AI reviews your changes and provides feedback
# Fix issues locally, then push with confidence

2. Code Reviewer Workflow

# Checkout the feature branch locally
git checkout feature/user-auth

# Use DiffPilot to review
@workspace #review_pr_changes focus on security

# Get structured review with AI assistance

3. Pre-Commit Secret Check

@workspace #scan_secrets

# Catches API keys, passwords, tokens before they're committed

⚙️ Configuration

{
  "diffpilot.defaultBaseBranch": "main",
  "diffpilot.prTitleStyle": "conventional",
  "diffpilot.commitMessageStyle": "conventional"
}

📦 Installation Options

Requirements: .NET 9 SDK, VS Code 1.101+, Git

📜 Version History

1.2.0 (2025-12-09)

• Security Hardening - Bank-grade security features

  • Input validation (CWE-20)

  • Command injection prevention (CWE-78)

  • Path traversal protection (CWE-22)

  • Output sanitization - auto-redacts secrets (CWE-200)

  • Rate limiting (CWE-400)

  • Secure error handling

• Added SECURITY.md documentation

• 80 new security unit tests

1.1.5 (2025-12-08)

• Updated README with use cases and #tool prompts

• Highlighted auto branch detection

1.1.4 (2025-12-07)

• Icon refinements

1.1.3 (2025-12-07)

• New extension icon (lens with plus/minus)

1.1.2 (2025-12-07)

• Optimized package size

1.1.1 (2025-12-07)

• Updated extension icon

1.1.0 (2025-12-07)

• Improved tool documentation

1.0.9 (2025-12-07)

• Fixed: Server uses workspace folder for git operations

1.0.8 (2025-12-07)

• Shortened tool descriptions for cleaner UI

1.0.7 (2025-12-07)

• Fixed: Bundled server includes TargetFramework

1.0.6 (2025-12-07)

• Fixed: MCP auto-registration for VS Code 1.101+

1.0.5 (2025-12-07)

• Published to NuGet and MCP Registry

1.0.0 (2025-12-06)

• Initial release with 9 MCP tools

📄 License

MIT License - Burak Kalafat

GitHub • VS Code Marketplace • NuGet

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