firma.de Rechner für Gründer is listed as active in the registry but did not answer our last check. It exposes 14 tools.
German tools for founders: formation costs, notary and tax adviser fees, taxes, holdings, e-invoices
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 5 November 2026. No other catalogue keeps this.
Over the last week it answered 54.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.
claude mcp add rechner --transport http https://www.firma.de/api/mcp/
https://www.firma.de/api/mcp/
[mcp_servers.rechner]
url = "https://www.firma.de/api/mcp/"
{
"mcpServers": {
"rechner": {
"url": "https://www.firma.de/api/mcp/"
}
}
}
{
"servers": {
"rechner": {
"type": "http",
"url": "https://www.firma.de/api/mcp/"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
cap_table
darlehensvertrag
einkommensteuer
geschaeftsfuehrergehalt
gmbh_steuern
gruendung_starten
gruendungsbudget
gruendungskosten
holding_rechner
notarkosten
quittung
e_rechnung
schenkungsvertrag
steuerberaterkosten
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://www.firma.de/api/mcp/ | streamable-http | answering | 132 ms | 0 min ago |
German lawyers' fees under the RVG, values in dispute and invoices from the ONYST fee engine.
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Answers built from our own checks of this server.