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io.github.tankstellen/firmenliste-mcp

by tankstellen · remote · no sign-in to list tools · v1.0.0 · published by GitHub user tankstellen

B2B company address data for the DACH region: search 6,400+ industry lists and get price quotes.

Changes · 5
CompareRegistry entry

5 tools: 5 change things.

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 firmenliste https://firmenliste-mcp.cf-firmenliste.workers.dev

Tools

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

5 tools

Changes things 5Claude Code: ask
  • angebot_erstellenErzeugt ein 48h gueltiges, preisstabiles Angebot (quote_id) und liefert eine bestell_url.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.
    Description, as the server wrote it
    Erzeugt ein 48h gueltiges, preisstabiles Angebot (quote_id) und liefert eine bestell_url. WICHTIG: Nur nach ausdruecklicher Bestaetigung des Nutzers aufrufen. Der Kauf selbst erfolgt durch den Menschen ueber die bestell_url. Varianten: umfang='nur_email' (nur E-Mail/Kategorie/Bundesland) oder bundesland='Bayern' (einzelnes Bundesland-Paket).

    Annotations the server declares

    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: false
  • branchen_suchenFindet Adresslisten zu einem Suchbegriff (z.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
    Findet Adresslisten zu einem Suchbegriff (z. B. 'Golf', 'Spedition'). Liefert pro Treffer idListe, Datensatzanzahl, Feld-Verfuegbarkeit (E-Mail/Telefon/Website/Ansprechpartner) und Nettopreis. Immer der erste Schritt vor Details oder Angebot.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • kaufbedingungenMaschinenlesbare Kauf- und Nutzungsbedingungen (B2B-only, MwSt, Widerruf, rechtliche Grenzen der Datennutzung nach UWG/DSGVO).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
    Maschinenlesbare Kauf- und Nutzungsbedingungen (B2B-only, MwSt, Widerruf, rechtliche Grenzen der Datennutzung nach UWG/DSGVO). Vor einer Kaufempfehlung abrufen und dem Nutzer korrekt wiedergeben.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • laender_auflistenListet alle Laender mit B2B-Firmenadressen von firmenliste.net: DACH (de/at/ch) mit online kaufbaren Listen inkl.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
    Listet alle Laender mit B2B-Firmenadressen von firmenliste.net: DACH (de/at/ch) mit online kaufbaren Listen inkl. Anzahl, weitere ~40 Laender auf Anfrage. Inklusive Datenstand.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • liste_detailsDetailansicht einer Adressliste: alle Feld-Zaehler, Bundesland-Verteilung, enthaltene Felder und saemtliche Paketpreise (Komplett, Nur-E-Mail, je Bundesland).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
    Detailansicht einer Adressliste: alle Feld-Zaehler, Bundesland-Verteilung, enthaltene Felder und saemtliche Paketpreise (Komplett, Nur-E-Mail, je Bundesland). Optional mit plz + umkreis_km: zaehlt live nur Firmen im PLZ-Umkreis inkl. Preis. Nettopreise zzgl. dt. MwSt.

    Annotations the server declares

    • 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 firmenliste https://firmenliste-mcp.cf-firmenliste.workers.dev

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": [],
    "ask": [
      "mcp__firmenliste__laender_auflisten",
      "mcp__firmenliste__branchen_suchen",
      "mcp__firmenliste__liste_details",
      "mcp__firmenliste__angebot_erstellen",
      "mcp__firmenliste__kaufbedingungen"
    ],
    "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 firmenliste. Review it before you use it.