About io.github.lukasschwarz/elster-mcp-server
io.github.lukasschwarz/elster-mcp-server is an MCP server in the Browser category: drive the German tax portal ELSTER via Puppeteer: submit UStVA, prepare EUER/ESt, sync inbox.
Install
claude mcp add io-github-lukasschwarz-elster-mcp-server -- npx -y elster-mcp-servernpx -y elster-mcp-serverThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (11)
elster_config_showShows the loaded config (secrets redacted)
Parameters not published.
elster_est_startOpens ESt 1 A, fills basics, runs Prüfung, keeps browser open 30 min
Parameters not published.
elster_eur_startFills Anlage EÜR up to Prüfung, then "Speichern und Verlassen"
Parameters not published.
elster_kennziffern_listReturns the supported UStVA Kennziffern with descriptions
Parameters not published.
elster_login_testVerifies your certificate + password can log in
Parameters not published.
elster_sync_historyReads "Übermittelte Formulare" (optionally with PDFs)
Parameters not published.
elster_sync_inboxReads ELSTER inbox (optionally with PDFs)
Parameters not published.
elster_ustva_confirmClicks "Absenden" after you reviewed
Parameters not published.
elster_ustva_detect_reverse_chargeDetects §13b reverse-charge suppliers
Parameters not published.
elster_ustva_generate_xmlGenerates a UStVA XML snapshot (archive only)
Parameters not published.
elster_ustva_startLogs in, fills, runs Prüfung, then **pauses for confirmation**
Parameters not published.
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