ResultRail by LarryBuildsAI MCP Server

by larrylemonbot Your server? Claim it

answering

ResultRail by LarryBuildsAI is answering right now. Last checked 10 min ago. It exposes 3 tools. Last commit 28 Aug 2026.

Five-to-twelve-cent source-attributed public URL and domain result packs for AI agents.

Uptime history 48 days of history · worst day 30%

48 days agonow

56.0%

Uptime 24h

51 of 91 checks

Tools

read from the server

222 ms

Response time

average over 24h

Stars

last commit 28 Aug 2026

ResultRail by LarryBuildsAI does not always answer

Over the last week it answered 93.8% 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 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add resultrail --transport http https://proofbeforepay.vercel.app/resultrail/mcp

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

{
  "mcpServers": {
    "resultrail": {
      "url": "https://proofbeforepay.vercel.app/resultrail/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.resultrail]
url = "https://proofbeforepay.vercel.app/resultrail/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "resultrail": {
      "url": "https://proofbeforepay.vercel.app/resultrail/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "resultrail": {
      "url": "https://proofbeforepay.vercel.app/resultrail/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.

enrich

enrich_domain_result

Fetch a public domain/homepage and return one source-attributed result pack: company/title/description, industry guess, technographic signals, useful paths, confidence, sources, and receipt hash.

extract

extract_url_result

Fetch one public URL and return title, description, headings, text preview, links, confidence, source URL, and receipt hash. Designed for pay-per-success agent extraction.

quote

quote_data_result

Free pre-payment quote for one ResultRail public-data result. Returns price, paid endpoint, success contract, and whether the buyer's max price covers the result.

Endpoints

URL	Transport	State	Latency	Checked
https://proofbeforepay.vercel.app/resultrail/mcp	streamable-http	answering	228 ms	10 min ago

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ResultRail by LarryBuildsAI — questions

Answers built from our own checks of this server.

What can ResultRail by LarryBuildsAI do?

It exposes 3 tools, read directly from the server on our last check. Among them: enrich_domain_result, extract_url_result, quote_data_result. 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 ResultRail by LarryBuildsAI working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 51 of 91 checks got a reply (56.0%), average response time 222 ms. The bar chart above shows every period we have measured.

How do I connect ResultRail by LarryBuildsAI?

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 ResultRail by LarryBuildsAI need an API key?

No. ResultRail by LarryBuildsAI 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.

How fast is ResultRail by LarryBuildsAI?

It answers our handshake in 222 ms on average, which is faster than 63% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is ResultRail by LarryBuildsAI open source?

We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.