MRX Public MCP Server

by underwriter-mrx Your server? Claim it

not responding

MRX Public MCP is listed as active in the registry but did not answer our last check. It exposes 8 tools. Last commit 24 Sep 2026.

Read-only, source-linked mineral-rights education from MineralRightsXchange.com.

Uptime history 46 days of history · worst day 0%

46 days agonow

9.9%

Uptime 24h

9 of 91 checks

Tools

read from the server

1197 ms

Response time

average over 24h

Stars

last commit 24 Sep 2026

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 1 October 2026. No other catalogue keeps this.

1 Oct 2 tools appeared mrx_list_public_pages, mrx_website_capabilities

MRX Public MCP does not always answer

Over the last week it answered 8.0% 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 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mrx-mcp --transport http https://mrx-public-mcp.vercel.app/mcp

Settings → Connectors → Add custom connector, then paste this address

https://mrx-public-mcp.vercel.app/mcp

~/.codex/config.toml

[mcp_servers.mrx-mcp]
url = "https://mrx-public-mcp.vercel.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mrx-mcp": {
      "url": "https://mrx-public-mcp.vercel.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mrx-mcp": {
      "type": "http",
      "url": "https://mrx-public-mcp.vercel.app/mcp"
    }
  }
}

Available tools 8

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

mrx

mrx_get_started

Read MRX's current public homepage and its source-linked next-step links. This does not submit a request, create a case, or perform a human review.

mrx_list_public_pages

Discover current public pages, including website journeys and AI guide profiles. Categories: all, articles (blog paths), ai_guides, website. Pass content_revision on subsequent pages to detect a changing inventory. Read a page before citing it.

mrx_read_page

Read one canonical public MRX page after sitemap, hash and indexability checks. Accepts only https://mineralrightsxchange.com/ URLs returned by search. Private routes, off-site URLs, queries, fragments and redirects are rejected.

mrx_search_guides

Search verified public MRX titles, headings and article text. Optional jurisdiction/topic filters are source-text matches, not legal conclusions. Coverage reports omissions. Do not include personal data in a research query.

mrx_status

Check the current public sitemap/manifest, server capabilities and boundaries.

mrx_website_capabilities

Read current website capabilities from verified public sources. Sections: overview, ai_guides, investors (Graham), human_review. Returns website descriptions, not access to chat, bookings, uploads or private cases.

fetch

fetch

Fetch a verified public document by the canonical URL ID returned by search. Return source text, attribution and dates when available; never infer a review.

search

Search public MRX educational guides. Returns citable canonical document IDs. No private cases. Fetch each source before relying on it. An incomplete index produces an error rather than an apparently exhaustive compatibility response.

Endpoints

URL	Transport	State	Latency	Checked
https://mrx-public-mcp.vercel.app/mcp	streamable-http	answering	43 ms	5 min ago

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MRX Public MCP — questions

Answers built from our own checks of this server.

What can MRX Public MCP do?

It exposes 8 tools, read directly from the server on our last check. Among them: fetch, mrx_get_started, mrx_list_public_pages, mrx_read_page, mrx_search_guides, mrx_status and 2 more. 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 MRX Public MCP working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 9 of 91 checks got a reply (9.9%), average response time 1197 ms. The bar chart above shows every period we have measured.

The registry lists MRX Public MCP 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 MRX Public MCP?

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

Does MRX Public MCP need an API key?

No. MRX Public MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 8 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is MRX Public MCP?

It answers our handshake in 1197 ms on average, which is faster than 2% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is MRX Public MCP open source?

The code is open source: it is published under the MIT licence, written in Python and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at mrx-public-mcp.vercel.app, which runs on its operator's own terms.