SkillFM BYOK Vault vs 4da MCP Server

In-depth architectural comparison of the SkillFM BYOK Vault and 4da MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose SkillFM BYOK Vault when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore SkillFM BYOK Vault Details

Choose 4da MCP Server when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore 4da MCP Server Details

Feature & Specification Comparison

Specification	SkillFM BYOK Vault Security	4da MCP Server Security
Summary	BYOK vault, provider API key guidance, usage visibility, and SkillFM Beacon checks for MCP agents.	Dependency intelligence for AI agents. CVE scanning, health checks, upgrade planning.
Category & Scope	Security	Security
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "skillfm-byok-vault": {
      "command": "npx",
      "args": [
        "-y",
        "@skillfm/byok-vault-mcp@latest"
      ]
    }
  }
}

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

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