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Firmenwatch MCP server

Which MCP servers are Firmenwatch's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-21

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Whose server it is
  • Registry namech.firmenwatch/firmenwatchverified in the MCP registry

The registry name sits under firmenwatch.ch. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-21
  • Stateanswerschecked 2026-10-21
  • Tools6
  • Server calls itselffirmenwatch
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-21 the server answered initialize and tools/list without a sign-in. First answer in 340 ms.

Should an agent connect itSkip it
  • Its tools do none of the product's use cases we checked: monitor changes at customer and supplier companies; track companies entering liquidation, bankruptcy or deletion; export company lists and alerts as CSV.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 7, the first on 2026-10-21
  • INITE MCP score72 of 100answers 100 · does the job 0 · definitions 97 · context 100 · connects 100
  • What an agent can do with it0 of 3 use cases
  • Answered100% of days7 of 7 daily checks
  • Median first answer353 ms
  • Space in an agent's context≈ 1,129 tokensthe definitions of all its tools (6), which an agent carries on every turn
  • Tool definitionsA · 97 of 100
  • Typed results6 of 6 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 1 of 6

What an agent can do with it

  • cannot · monitor changes at customer and supplier companies
  • cannot · track companies entering liquidation, bankruptcy or deletion
  • cannot · export company lists and alerts as CSV

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers6 tools · read 2026-10-21
  • firma_suchen

    Sucht Firmen im Schweizer Handelsregister nach Name oder UID. Liefert Firma, UID, Rechtsform, Sitz, Adresse und Status. Nutze dies, wenn die UID nicht bekannt ist.

  • firma_details

    Liefert die öffentlichen Angaben zu einer Firma anhand der UID: Stammdaten, Registerkapital nur mit belegter Währung, Personen- und Organabdeckung ohne Namen, Revision, Registerbefunde, belegbare Registerbezüge und den jüngsten Verlauf…

  • uid_pruefen

    Prüft eine Schweizer UID auf Format und Prüfziffer (Modulo 11 nach Spezifikation des Bundesamts für Statistik) und schlägt sie im Bestand nach. Nutze dies, bevor du eine UID in ein System übernimmst — Tippfehler werden so erkannt.

  • firma_risiko

    Fasst zusammen, was im Handelsamtsblatt zu einer Firma publiziert wurde und geschäftlich relevant ist: Konkurs, Liquidation, Nachlassstundung, Kapitalherabsetzung und häufige Organwechsel. Jeder Befund ist einzeln benannt und datiert…

  • tagesbriefing

    Liefert die wichtigsten strukturierten Firmenänderungen des jüngsten lückenlos verifizierten Publikationstags und zählt sie nach Art. Nutze dieses Werkzeug für einen täglichen KI-Lauf, ein Morgenbriefing oder eine automatisierte…

  • bestand_status

    Trennt die neueste verfügbare Publikation von der lückenlos verifizierten Grenze und meldet den Datenqualitätsstatus. Nennt zusätzlich Frische und Abdeckung von MWST, FINMA und SECO. Nutze dies, bevor du dich auf eine Auskunft verlässt.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "firmenwatch": {
      "type": "http",
      "url": "https://firmenwatch.ch/api/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http firmenwatch https://firmenwatch.ch/api/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://firmenwatch.ch/api/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.