Claude Desktop
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MCP Server Semgrep
Szowesgad/mcp-server-semgrep
MCP Server Semgrep is a Model Context Protocol compliant server that integrates the powerful Semgrep static analysis tool with AI assistants like Anthropic Claude. It enables advanced code analysis, security vulnerability detection, and code quality improvements directly through a conversational interface.
Install
npm install -g mcp-server-semgrepClient configuration
{
"mcpServers": {
"semgrep": {
"command": "node",
"args": [
"/your_path/mcp-server-semgrep/build/index.js"
],
"env": {
"SEMGREP_APP_TOKEN": "<SEMGREP_APP_TOKEN>",
"MCP_SERVER_SEMGREP_ALLOWED_ROOTS": "<MCP_SERVER_SEMGREP_ALLOWED_ROOTS>"
}
}
}
}Environment variables
SEMGREP_APP_TOKENMCP_SERVER_SEMGREP_ALLOWED_ROOTS- GitHub stars
- 12
- Author
- @Szowesgad
- Category
- Developer Tools, Security
- License
- MIT
- Updated
- Oct 6, 2026
About MCP Server Semgrep
This project was initially inspired by robustness of Semgrep tool, The Replit Team and their Agent V2, as well as the implementation by stefanskiasan/semgrep-mcp-server, but has evolved with significant architectural changes for enhanced and easier installation and maintenance.
Features
Direct integration with the official MCP SDK
Simplified architecture with consolidated handlers
Clean ES Modules implementation
Efficient error handling and path validation for security
Interface and documentation in both English and Polish
Comprehensive unit tests
Extensive documentation
Cross-platform compatibility (Windows, macOS, Linux)
Flexible Semgrep installation detection and management
Tools (7)
scan_directory
Scanning source code for potential issues
list_rules
Displaying available rules and languages supported by Semgrep
analyze_results
Detailed analysis of scan results
create_rule
Creating custom Semgrep rules
filter_results
Filtering results by various criteria
export_results
Exporting results in various formats
compare_results
Comparing two sets of results (e.g., before and after changes)
Details on this page are taken from the project's README. Open README
Supported clients
Clients mentioned in this server's README:
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