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elster-mcp-server
MCP server for the German ELSTER portal: submits VAT pre-returns and prepares income tax filings.
What it does
MCP server that drives the public ELSTER web portal with Puppeteer: it submits the German VAT pre-return (UStVA), prepares EÜR and income tax (ESt) forms and syncs the inbox. Needs Node.js 18 or later, an ELSTER certificate and password, a tax number and state code; runs from Claude Desktop or another MCP client. Experimental and unofficial; ELSTER's terms may restrict automated access.
Where it fits on the map
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Maintain this project?
Link to this page from your README, so readers find the facts, the notes and where it fits. The badge is a small SVG served from this site.
[](https://tax-oss.com/projects/elster-mcp-server/)