Obolus MCP Server

by sanzation Your server? Claim it

answering

Obolus is answering right now. Last checked 15 min ago. It exposes 2 tools. Last commit 25 Oct 2026.

Read-only payroll calculations and multi-country tax comparisons for eight countries.

Uptime history 49 days of history · worst day 99%

49 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

876 ms

Response time

average over 24h

Stars

last commit 25 Oct 2026

Nothing serious here today

Today is the operative word: we check Obolus every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 15 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add obolus --transport http https://www.obolusfinanz.de/api/mcp/public

Settings → Connectors → Add custom connector, then paste this address

https://www.obolusfinanz.de/api/mcp/public

~/.codex/config.toml

[mcp_servers.obolus]
url = "https://www.obolusfinanz.de/api/mcp/public"

.cursor/mcp.json

{
  "mcpServers": {
    "obolus": {
      "url": "https://www.obolusfinanz.de/api/mcp/public"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "obolus": {
      "type": "http",
      "url": "https://www.obolusfinanz.de/api/mcp/public"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

berechne

berechne

Calculate detailed payroll and net salary for one country and person. Use this for tax class, region, health insurance, pension, deductions, or other country-specific inputs. For the same gross salary across two or more countries, use taxcompare. Use semantic fields where available; legacy fields remain REST compatibility inputs. Monetary fields in the legacy request are minor units and period-specific.

taxcompare

taxcompare

Compare annual gross, net pay, taxes, and employee social contributions across two or more supported countries. Use shared_gross for the same offer and local_median_gross for country-market benchmarks. Provide tax_year and at least two countries. Use berechne for detailed single-country payroll.

Endpoints

URL	Transport	State	Latency	Checked
https://www.obolusfinanz.de/api/mcp/public	streamable-http	answering	861 ms	15 min ago

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Obolus — questions

Answers built from our own checks of this server.

What can Obolus do?

It exposes 2 tools, read directly from the server on our last check. Among them: berechne, taxcompare. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Obolus working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 876 ms. The bar chart above shows every period we have measured.

How do I connect Obolus?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Obolus need an API key?

No. Obolus completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Obolus?

It answers our handshake in 876 ms on average, which is faster than 7% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Obolus open source?

We cannot say either way: written in JavaScript and 1 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.