H-Index MCP Server

by xr-utilities Your server? Claim it

not responding

H-Index is listed as active in the registry but did not answer our last check. It exposes 3 tools.

Capability registry for the agentic economy. Semantic search over verified MCP server listings.

Uptime history 51 days of history · worst day 0%

51 days agonow

0.0%

Uptime 24h

0 of 91 checks

Tools

read from the server

443 ms

Response time

average over 24h

open, no key

Access

streamable-http

H-Index does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add h-index --transport http https://h-index.xr-utilities.ai/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "h-index": {
      "url": "https://h-index.xr-utilities.ai/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.h-index]
url = "https://h-index.xr-utilities.ai/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "h-index": {
      "url": "https://h-index.xr-utilities.ai/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "h-index": {
      "url": "https://h-index.xr-utilities.ai/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

Endpoints

URL	Transport	State	Latency	Checked
https://h-index.xr-utilities.ai/mcp	streamable-http	answering	443 ms	7 min ago

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H-Index — questions

Answers built from our own checks of this server.

What can H-Index do?

It exposes 3 tools, read directly from the server on our last check. Among them: get_listing, list_categories, search_registry. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is H-Index working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 443 ms. The bar chart above shows every period we have measured.

The registry lists H-Index as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect H-Index?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does H-Index need an API key?

No. H-Index completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.