A side-by-side look at the MCP Security Audit and Semgrep MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Security Audit for security work as a local process; choose Semgrep for security. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose MCP Security Audit when
You need dedicated capabilities in the Security domain.
audit_nodejs_dependenciesAudit specific dependencies for vulnerabilities
Semgrep tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
No confirmed install command for Semgrep yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
MCP Security Audit is categorized under Security and uses a local stdio subprocess. Semgrep belongs to Security and uses an install path we have not confirmed yet. Pick MCP Security Audit for security work and Semgrep for security.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Semgrep has no confirmed install command yet — follow its own setup instructions.
MCP Security Audit is listed as free. Auth: no auth required. Semgrep is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add qianniuspace-mcp-security-audit and semgrep-semgrep as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Security Audit has a quality signal of 61/100 (Good) with 4 views, 0 installs and 57 GitHub stars. Semgrep has 39/100 (Fair) with 0 views, 0 installs and 17,095 GitHub stars.