Tooldirectory MCP vs Unfragile MCP Server

In-depth architectural comparison of the Tooldirectory MCP and Unfragile 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 Tooldirectory MCP when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: TOOLDIRECTORY_MCP_ENDPOINT.
• Primary tools included: search_tools, get_tool, check_tool_status.

Explore Tooldirectory MCP Details

Choose Unfragile MCP Server when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: UNFRAGILE_API_URL, UNFRAGILE_API_KEY.
• Primary tools included: .

Feature & Specification Comparison

Specification	Tooldirectory MCP AI-Directory-Partners Search & Data Extraction	Unfragile MCP Server Savirinc Search & Data Extraction
Summary	Search a catalog of 2,000+ AI tools, compare them, find alternatives, and check whether a tool is still active, defunct, or acquired. Hosted remote MCP at https://tooldirectory.ai/api/mcp or npx -y tooldirectory-mcp.	Canonical MCP server resolver. Returns the right MCP for any agent intent with an invocation-ready snippet and an Ed25519-signed trust passport. Cross-registry coverage. npx -y @unfragile/mcp-server
Category & Scope

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": {
    "ai-directory-partners-tooldirectory-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tooldirectory-mcp"
      ],
      "env": {
        "TOOLDIRECTORY_MCP_ENDPOINT": "YOUR_TOOLDIRECTORY_MCP_ENDPOINT_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "savirinc-unfragile-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@unfragile/mcp-server"
      ],
      "env": {
        "UNFRAGILE_API_URL": "YOUR_UNFRAGILE_API_URL_HERE",
        "UNFRAGILE_API_KEY": "YOUR_UNFRAGILE_API_KEY_HERE"
      }
    }
  }
}

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