4da MCP Server: Install & Setup

Install 4da in Claude Code

Claude Code

claude mcp add 4da-systems-4da -- npx -y @4da/mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "4da-systems-4da": {
      "command": "npx",
      "args": [
        "-y",
        "@4da/mcp-server"
      ]
    }
  }
}

Upgrade intelligence for AI agents: what an upgrade changes, where it touches your code, CVE scans.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add 4da-systems-4da -- npx -y @4da/mcp-server

aegisgatesecurity/aegisgate-mcp

Secure MCP server framework with 23 security layers and ML threat detection. Zero deps.

HTTPS certificate check and published business facts (CMS, mobile viewport, role emails, phones) for any site.

Focus-GTS/aep-mcp-server

Full-CRUD server for AEP, Journey Optimizer and CJA. 61 tools from one OAuth credential.

Pre-transaction address checks, agent skill and MCP package scans, Solidity scans; paid per call via x402.

ipezygj/agent-guard

Safety checks an agent runs before it acts: package malware, destructive command, secret leak.

corewebvitals/state-of-cwv-mcp

Core Web Vitals metrics by CMS, CDN and framework, based on Chrome field data and a multi-site crawl.