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llms.txt Generator

by llms-txt-generator.de · remote · no sign-in to list tools · v1.0.0 · published by de.llms-txt-generator

Create, validate and audit llms.txt, incl. the Lighthouse Agentic Browsing check.

Changes · 3
CompareRegistry entry

4 tools: 3 change things and 1 only read.

Scanned Oct 21, 2026

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

claude mcp add --transport http llms-txt https://www.llms-txt-generator.de/api/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn
  • Warngenerate_llms_txt

    The server marks "generate_llms_txt" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}; The name "generate_llms_txt" says "generate": a word for a change.

    What this check looks for

Tools

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

4 tools

Changes things 3Claude Code: ask
  • check_lighthouse_agentic_browsingUse this when the user only wants to know whether a given llms.txt text passes the Lighthouse 13.3 "Agentic Browsing" audit (llms-txt).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
    Use this when the user only wants to know whether a given llms.txt text passes the Lighthouse 13.3 "Agentic Browsing" audit (llms-txt). Applies exactly its three rules: an H1 exists, at least one Markdown link, more than 50 characters. On failure it returns Lighthouse's original message. Works only on the text provided and does not fetch anything. For a full format check use validate_llms_txt.

    Annotations the server declares

    • title: Check Lighthouse "Agentic Browsing" rules
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • check_published_llms_txtUse this when the user asks whether a website already has an llms.txt, whether it is served correctly, or why PageSpeed Insights / Lighthouse flags it.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
    Use this when the user asks whether a website already has an llms.txt, whether it is served correctly, or why PageSpeed Insights / Lighthouse flags it. Requests exactly one URL, https://<domain>/llms.txt, and reports HTTP status, content type, redirects, the file content, the format validation and the Lighthouse result. Does not crawl other pages and does not change anything on the site. Messages are in German.

    Annotations the server declares

    • title: Check a website's published llms.txt
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • generate_llms_txtUse this when the user wants a new llms.txt file for a public website they name.1 finding

    Why it is in this group

    • The name "generate_llms_txt" says "generate": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    Findings

    • Warn

      The server marks "generate_llms_txt" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}; The name "generate_llms_txt" says "generate": a word for a change.

      What this check looks for
    Description, as the server wrote it
    Use this when the user wants a new llms.txt file for a public website they name. Reads up to 15 public HTML pages of that one domain (start page, XML sitemap, internal links) and returns a ready-to-publish llms.txt draft in Markdown, plus a format validation score, the Lighthouse "Agentic Browsing" result, the status of any llms.txt already published on the site, and the URLs that were left out with the reason. Deterministic: no language model is involved, every title and description is taken from the pages themselves. Limitations: honors robots.txt and stops if the start page is disallowed; does not render JavaScript, does not log in, and does not follow links to other domains; one request can take up to about a minute. Do not use this to fetch arbitrary page content or for sites the user only mentions in passing. Result messages are in German.

    Annotations the server declares

    • title: Generate llms.txt for a website
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
Only reads 1Claude Code: allow
  • validate_llms_txtUse this when the user pastes the text of an llms.txt file and wants it checked or improved.No findings

    Why it is in this group

    • The name "validate_llms_txt" says "validate": a word for reading.
    Description, as the server wrote it
    Use this when the user pastes the text of an llms.txt file and wants it checked or improved. Checks the text against the llmstxt.org format proposal: H1 title, summary blockquote, H2 sections, absolute Markdown links, duplicates, links to other domains, file size and update date. Returns a 0-100 score, findings with severity and line number, and the Lighthouse "Agentic Browsing" result. Works only on the text provided; it does not fetch anything from the internet. Finding messages are in German.

    Annotations the server declares

    • title: Validate llms.txt content
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false

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 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http llms-txt https://www.llms-txt-generator.de/api/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__llms-txt__validate_llms_txt"
    ],
    "ask": [
      "mcp__llms-txt__generate_llms_txt",
      "mcp__llms-txt__check_published_llms_txt",
      "mcp__llms-txt__check_lighthouse_agentic_browsing"
    ],
    "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 llms-txt. Review it before you use it.