A side-by-side look at the 4da MCP Server and MCP Security Audit MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose 4da MCP Server for security work as a local process; choose MCP Security Audit for security as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
4
Choose 4da MCP Server when
You need dedicated capabilities in the Security domain.
No tool names declared yet. Check the project README from the listing page.
MCP Security Audit tools 1
audit_nodejs_dependenciesAudit specific dependencies for vulnerabilities
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.
4da MCP Server is categorized under Security and uses a local stdio subprocess. MCP Security Audit belongs to Security and uses a local stdio subprocess. Pick 4da MCP Server for security work and MCP Security Audit 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.
4da MCP Server is listed as free. Auth: no auth required. MCP Security Audit 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 4da-mcp-server-3 and qianniuspace-mcp-security-audit as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, 4da MCP Server has a quality signal of 43/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. MCP Security Audit has 61/100 (Good) with 4 views, 0 installs and 57 GitHub stars.