404.directory vs Froglet

In-depth architectural comparison of the 404.directory and Froglet 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 404.directory when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: REGISTRY_ADMIN_TOKEN.
• Primary tools included: Allow, review, or block decisions for registered tool actions, Catalog search with capability, protocol, category, and trust filters, Trust profiles covering ownership, availability, compatibility, security, and usage.

Explore 404.directory Details

Choose Froglet when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Single `froglet` MCP tool, `marketplace_publish` workflow, Hosted proof and signed receipt flows.

Feature & Specification Comparison

Specification	404.directory Developer Tools	Froglet Developer Tools
Summary	Discover, verify, and execute curated read-only MCP tools through one trusted Agent gateway.	Run hosted proofs, signed receipts, service discovery, and local install planning.
Category & Scope	Developer Tools	Developer Tools
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": {
    "404-directory-2": {
      "command": "npx",
      "args": [
        "-y",
        "@mmvv1638/404-directory-mcp"
      ],
      "env": {
        "REGISTRY_ADMIN_TOKEN": "YOUR_REGISTRY_ADMIN_TOKEN_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "froglet": {
      "command": "npx",
      "args": [
        "-y",
        "froglet-mcp"
      ]
    }
  }
}

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