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ResultRail by LarryBuildsAI

by LarryLemonBot · remote · no sign-in to list tools · v0.1.2 · published by GitHub user LarryLemonBot

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

Changes · 1
CompareRegistry entry

3 tools: 1 change things and 2 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

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

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

3 tools

Changes things 1Claude Code: ask
  • quote_data_resultFree pre-payment quote for one ResultRail public-data result.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
    • readOnlyHint: true
    • title: Result Quote
Only reads 2Claude Code: allow
  • enrich_domain_resultFetch a public domain/homepage and return one source-attributed result pack: company/title/description, industry guess, technographic signals, useful paths, confidence, sources, an…No findings

    Why it is in this group

    • The description's first verb is "fetch": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
    • readOnlyHint: true
    • title: Domain Result Pack
  • extract_url_resultFetch one public URL and return title, description, headings, text preview, links, confidence, source URL, and receipt hash.No findings

    Why it is in this group

    • The description's first verb is "fetch": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
    • readOnlyHint: true
    • title: URL Extract Result

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 0.1.2. Values in angle brackets are yours to fill in.

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

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__resultrail__enrich_domain_result",
      "mcp__resultrail__extract_url_result"
    ],
    "ask": [
      "mcp__resultrail__quote_data_result"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as resultrail. Review it before you use it.