What is MCP Server Semgrep?
MCP Server Semgrep is a Model Context Protocol (MCP) compliant server that integrates the Semgrep static analysis tool with AI assistants like Claude. It enables advanced code analysis, security vulnerability detection, and code quality improvements through a conversational interface.
How to use MCP Server Semgrep?
Install via Smithery.ai (recommended), npm global install (npm install -g mcp-server-semgrep), or from GitHub. For Claude Desktop, add the server to claude_desktop_config.json with the path to the built index.js and optional SEMGREP_APP_TOKEN and MCP_SERVER_SEMGREP_ALLOWED_ROOTS environment variables. The server provides tools such as scan_directory, list_rules, analyze_results, create_rule, filter_results, export_results, and compare_results.
Key features of MCP Server Semgrep
- Direct integration with the official MCP SDK
- Simplified architecture with consolidated handlers
- Clean ES Modules implementation
- Efficient error handling and path validation
- Cross-platform compatibility (Windows, macOS, Linux)
- Flexible Semgrep installation detection and management
Use cases of MCP Server Semgrep
- Code security analysis before deployment
- Detection of common programming errors
- Enforcing coding standards within a team
- Refactoring and improving quality of existing code
- Identifying style inconsistencies (e.g., CSS z-index organization)
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