This is a search engine for finding MCP servers in the agentic economy. It maintains a registry of verified MCP server listings and lets you query them semantically rather than just keyword matching. You'd reach for this when you need to discover what capabilities are available across the MCP ecosystem, like searching for "image processing" and getting back actual servers that handle those operations. It's essentially a capability directory that understands intent, making it useful when you're building agents that need to dynamically find and connect to appropriate MCP servers based on what they need to accomplish.
claude mcp add --transport http ai.xr-utilities-h-index https://h-index.xr-utilities.ai/mcp