MCP.Market

Firmenbuch MCP server

online · 100% uptime
by jkbngb·io.github.jkbngb/firmenbuch·v1.0.3
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Austria's official company register (Firmenbuch) – master data, financials & ratios for AI agents.

A92/100grade A
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How Firmenbuch compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
92/100
higher than 95% of 48,255 servers
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
771 ms
faster than 17% of 30,031 servers

Release history: 4 versions in the registry since 2026-06-27, latest 2026-10-27, typically one every 14 days.

Install Firmenbuch in Claude Code, Cursor or VS Code

claude mcp add --transport http firmenbuch https://mcp.agentic-firmenbuch.at/mcp
Add to Cursor

What the publisher says

From the Firmenbuch repository's README, as published. We do not edit it. Read it on GitHub

agentic-firmenbuch

Austria's entire company register, queryable by AI agents in plain language. Official master data, annual accounts and key ratios for every firm – served over MCP, answered on real numbers instead of hallucinations.

Try the playground  ·  Get a free key  ·  Quickstart ↓

A live, automated data product over the Austrian Firmenbuch (free EU HVD / High Value Datasets), served through a multi-tenant MCP server. A deterministic Azure pipeline pulls the published Jahresabschluss (annual financial statement) filings from the official register, parses them, consolidates per company, computes ratios/growth/trends, and serves the result to MCP clients. The whole register holds ~640k legal entities; the served slice is currently ~341k and grows as the backfill progresses. Version 1 = facts + clean derivations only (no scoring, no third-party enrichment, no NACE, no AI summaries).

Also available: Germany and the wider DACH region. Alongside this Austrian product, a unified agentic-register endpoint serves both the Austrian Firmenbuch and the German Handelsregister / Unternehmensregister over a single MCP. It is listed in the official MCP registry as io.github.jkbngb/handelsregister (spec: handelsregister.server.json) and reachable at https://register.agentic-firmenbuch.at/mcp with the same free API key. A search returns matches from both countries, tagged by country (AT / DE).

Quickstart

Use the hosted service – query official Firmenbuch data from an MCP client that accepts an HTTP header key (Claude Code, VS Code with GitHub Copilot, Cursor, …):

  1. Get a free API key at agentic-firmenbuch.at – just a verified email.
  2. Add the server. Claude Code (terminal), one line:
claude mcp add --scope user --transport http agentic-firmenbuch https://mcp.agentic-firmenbuch.at/mcp --header "X-API-Key: <your-key>"

GitHub Copilot / VS Code: code --add-mcp "{\"name\":\"agentic-firmenbuch\",\"type\":\"http\",\"url\":\"https://mcp.agentic-firmenbuch.at/mcp\",\"headers\":{\"X-API-Key\":\"\"}}". Any other HTTP-MCP-Header client: URL https://mcp.agentic-firmenbuch.at/mcp, header X-API-Key: .

  1. Ask in natural language, e.g. "Aktive GmbHs in Oberösterreich mit Bilanzsumme über 5 Mio. €, sortiert nach Umsatz." The agent calls searchcompanies / getcompany_details and answers with official data – no SDK required.

Claude Cowork & claude.ai (sandboxed clients) don't take the API-key header – they connect via Settings → Connectors → Add custom connector with the URL https://mcp.agentic-firmenbuch.at/mcp and a one-time email login (OAuth, no key). Step-by-step with screenshots: agentic-firmenbuch.at/cowork.html.

Prefer to try before signing up? Use the playground.

Or run the pipeline yourself – clone, uv sync, uv run pytest (offline, no Azure). See Develop.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Firmenbuch: common questions

Is Firmenbuch MCP server safe?
Yes, by our scan: it is graded A (92/100). Read the Firmenbuch safety report
How do I install Firmenbuch?
It runs remotely at mcp.agentic-firmenbuch.at. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Firmenbuch need an API key?
Yes. The registry entry asks for X-API-Key.
Is Firmenbuch maintained?
The last commit was 73 days ago (2026-08-23). The latest release is v1.0.3.
Is Firmenbuch up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Firmenbuch compare with other MCP servers?
safety score 92/100 (higher than 95% of 48,255 servers); uptime 100% (of our recent checks; the typical remote server answers 100%); response time 771 ms (faster than 17% of 30,031 servers). Full comparison.