ikeytz - Schlüsseldienst Ludwigsburg

Get Llms Txt

get_llms_txt

Read-only

WHAT: Fetch https://www.ikeytz.com/llms.txt (short AI landmap). Same engine as get_discovery(which=llms). summary = file window. USE as the first discovery read. Full dump: get_discovery(which=llms-full). MCP catalog: get_llms_mcp_server.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`limit`	No	Maximum number of lines to return after offset. Omit or null = return every remaining line in the loaded file. Clamped to 1..10000. For sitemap.txt (~9076 http-URLs, Stand 2026-09-22) omit limit to get the full list (or page with offset/limit + nextOffset). For llms-keywords.txt prefer a window; the file is huge. Meta also as trailing # MCP-META lines in summary.
`offset`	No	0-based line index into the fetched UTF-8 file (split on \n). 0 = first line. Omit = 0. Combined with limit = a sliding window. Use nextOffset from the previous result to page. Does not count bytes; one line can be a long URL.

Output Schema

TableJSON Schema

Name	Required	Description
`ok`	Yes	true = use summary, canonicalUrl, and extra keys. false = do not invent data; read error + hint and retry with valid args or open hint.
`hint`	No	Present when ok=false. Absolute URL the agent should open or pass to get_ai_page / get_discovery.
`path`	No	Public path on www, e.g. /llms.txt or /.well-known/ai.txt
`tool`	Yes	Echo of the tool name that produced this object (e.g. get_service_area).
`error`	No	Present when ok=false. Codes include: unknown_tool, unknown_place, unknown_auswahl, unknown_ratgeber, unknown_doc, unknown_discovery, faq_not_found, wissen_not_found, serp_not_found, q_required, bad_datetime, bad_when_key, plus HTTP errors from fetch.
`limit`	No	Applied line limit, or null if the caller omitted limit.
`which`	No	Resolved discovery id after alias fold (llms, sitemap-txt, ard, ai-catalog, …).
`locale`	No	Locale actually used for URLs (args.locale or de).
`offset`	No	Applied 0-based line offset.
`related`	No	Always includes https://www.ikeytz.com/llms.txt. Geo tools also include https://maps.ikeytz.com/llms.txt.
`summary`	No	Primary text for the model. For discovery tools this is the file window (possibly thousands of characters). For list tools a compact one-liner. Quote with attribution.
`totalUrls`	No	http(s) lines in the loaded file (full count when public/ read succeeds).
`truncated`	No	true if load hit a byte cap OR offset+limit left more lines. Also mirrored in trailing # MCP-META lines in summary.
`nextOffset`	No	offset + returnedLines when more lines remain in the loaded file; else null. Pass as the next offset. Also in # MCP-META.
`totalBytes`	No	Full origin file size when Content-Length is present (e.g. llms-keywords ~50MB); else character length of the downloaded body before the load cap. Also in # MCP-META.
`totalChars`	No	Character length of the downloaded body before applying discoveryFetchMax (may equal totalBytes for ASCII).
`totalLines`	No	Line count of the loaded file (full public/ file when available).
`attribution`	Yes	Required citation: 'Quelle: Schlüsseldienst Ludwigsburg ikeytz (ikeytz.com) · ai-train=no · https://www.ikeytz.com/.well-known/ai.txt'
`canonicalUrl`	No	Best URL to show the user: https://www.ikeytz.com… page, or tel:+49…, mailto:…, https://wa.me/…. Prefer this over constructing URLs.
`returnedUrls`	No	Lines in this window that start with http(s)://
`bytesReturned`	No	UTF-8 byte length of the returned body window (before # MCP-META).
`returnedLines`	No	How many lines are in summary/body this call (before # MCP-META).
`fetchTruncated`	No	true if discoveryFetchMax cut the load (line-boundary safe). Large discovery files (sitemap-xml ~12MB, llms-keywords ~55MB, llms-index ~2MB) must load full so offset/limit can reach EOF.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 25, 2026

changedOutput schema / properties / fetchTruncated / description

Previous value: -"true if discoveryFetchMax cut the load (line-boundary safe). sitemap-xml (~12MB) and llms-index (~2MB) must load full; keywords stay capped — use totalBytes."New value: +"true if discoveryFetchMax cut the load (line-boundary safe). Large discovery files (sitemap-xml ~12MB, llms-keywords ~55MB, llms-index ~2MB) must load full so offset/limit can reach EOF."

Changed1 schema field changedSep 25, 2026

changedOutput schema / properties / fetchTruncated / description

Previous value: -"true if discoveryFetchMax cut the load (line-boundary safe). sitemap-xml must load full (~12MB cap); keywords stay capped — use totalBytes."New value: +"true if discoveryFetchMax cut the load (line-boundary safe). sitemap-xml (~12MB) and llms-index (~2MB) must load full; keywords stay capped — use totalBytes."

Changed3 schema fields changedSep 24, 2026

changedOutput schema / properties / fetchTruncated / description

Previous value: -"true if a byte cap cut the load (line-boundary safe). Rare for sitemap.txt (reads public/)."New value: +"true if discoveryFetchMax cut the load (line-boundary safe). sitemap-xml must load full (~12MB cap); keywords stay capped — use totalBytes."

addedOutput schema / properties / totalBytes

Added value: +{
+  "description": "Full origin file size when Content-Length is present (e.g. llms-keywords ~50MB); else character length of the downloaded body before the load cap. Also in # MCP-META.",
+  "type": "number"
+}

addedOutput schema / properties / totalChars

Added value: +{
+  "description": "Character length of the downloaded body before applying discoveryFetchMax (may equal totalBytes for ASCII).",
+  "type": "number"
+}

Changed8 schema fields changedSep 22, 2026

changedInput schema / properties / limit / description

Previous value: -"Maximum number of lines to return after offset. Omit or null = return every remaining line in the fetch window (not the whole disk file if the fetch itself truncated). Clamped to 1..10000. For sitemap.txt (~807 URL lines) omit limit to get the full list. For llms-keywords.txt prefer a window; the file is huge."New value: +"Maximum number of lines to return after offset. Omit or null = return every remaining line in the loaded file. Clamped to 1..10000. For sitemap.txt (~9076 http-URLs, Stand 2026-09-22) omit limit to get the full list (or page with offset/limit + nextOffset). For llms-keywords.txt prefer a window; the file is huge. Meta also as trailing # MCP-META lines in summary."

changedOutput schema / properties / bytesReturned / description

Previous value: -"UTF-8 byte length of the returned body window."New value: +"UTF-8 byte length of the returned body window (before # MCP-META)."

addedOutput schema / properties / fetchTruncated

Added value: +{
+  "description": "true if a byte cap cut the load (line-boundary safe). Rare for sitemap.txt (reads public/).",
+  "type": "boolean"
+}

changedOutput schema / properties / nextOffset / description

Previous value: -"offset + returnedLines when more lines remain; else null. Pass as the next offset."New value: +"offset + returnedLines when more lines remain in the loaded file; else null. Pass as the next offset. Also in # MCP-META."

changedOutput schema / properties / returnedLines / description

Previous value: -"How many lines are in summary/body this call."New value: +"How many lines are in summary/body this call (before # MCP-META)."

changedOutput schema / properties / totalLines / description

Previous value: -"Line count of the fetched text (after byte cap)."New value: +"Line count of the loaded file (full public/ file when available)."

changedOutput schema / properties / totalUrls / description

Previous value: -"http(s) lines in the fetched text."New value: +"http(s) lines in the loaded file (full count when public/ read succeeds)."

changedOutput schema / properties / truncated / description

Previous value: -"true if fetch hit a byte cap OR offset+limit left more lines."New value: +"true if load hit a byte cap OR offset+limit left more lines. Also mirrored in trailing # MCP-META lines in summary."

Changed1 schema field changedSep 2, 2026

changedOutput schema / properties / which / description

Previous value: -"Resolved discovery id after alias fold (llms, sitemap-txt, ai-catalog, …)."New value: +"Resolved discovery id after alias fold (llms, sitemap-txt, ard, ai-catalog, …)."

First observedSep 1, 2026

TDQS

A4.5/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, so the safety profile is covered. The description adds behavioral context beyond the annotation: 'summary = file window' explains the tool's windowed return behavior, and 'Meta also as trailing # MCP-META lines in summary' discloses the meta-line format. This is valuable, though it does not mention auth or rate limits (likely unnecessary for a read tool).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is short, uses clear 'WHAT:' and 'USE' labels, and every sentence adds distinct value: fetch target, engine equivalence, summary semantics, recommended usage, full-dump alternative, and MCP catalog pointer. No filler or redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With an output schema, full parameter documentation, and readOnlyHint annotation, the description supplies the remaining needed context: why to use it, how it relates to alternatives, and what the summary contains. An agent has everything necessary to call the tool correctly and decide between siblings.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema provides 100% coverage with detailed descriptions for both limit and offset, including clamping, default values, paging via nextOffset, and line-based indexing. The description adds little beyond the schema, only referencing 'summary = file window' which is already implied by the schema's paging explanation. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: 'Fetch https://www.ikeytz.com/llms.txt'. It also distinguishes itself from siblings by referencing get_discovery(which=llms) as the 'same engine' and get_llms_mcp_server as the MCP catalog alternative. An agent can clearly tell what this tool does and how it differs from similar tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit usage guidance is provided: 'USE as the first discovery read.' It names alternatives for fuller data ('Full dump: get_discovery(which=llms-full)') and for MCP catalog ('MCP catalog: get_llms_mcp_server'), giving the agent clear conditions for choosing this tool over others.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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