MCP Server for the Papierkram.de accounting API
Most payments and commerce work still happens through a UI a human drives. Papierkram MCP server moves it into the conversation instead. MCP Server for the Papierkram.de accounting API.
Go to Papierkram > Einstellungen > API and create an API key.
The server publishes 11 tools. What each one is for:
Area — OperationsContacts — Companies & contact persons: list, get, create, update, deleteInvoices — list, get, create, update, delete, cancel, archive, send, download PDFEstimates — list, get, create, update, delete, send, download PDFExpenses — list, get, create, update, deleteProjects — list, get, create, update, delete, archive, unarchiveTasks — list, get, create, update, deleteBanking — list, get bank connections & transactions (read-only)Account — Account info, payment terms, propositionsPrerequisites — The Prerequisites tool exposed by this serverCursor — Add to your Cursor MCP settings with the same configuration as Claude DesktopConfiguration is passed through the environment: PAPIERKRAM_API_KEY, PAPIERKRAM_SUBDOMAIN. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Because this one is hosted, setup is mostly authentication — you point your client at the endpoint and approve access. Nothing runs on your machine, so there is no runtime to keep patched.
Plenty of payments and commerce servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Papierkram's toolset — Area, Contacts, Invoices and 8 more — is a fair guide to whether it matches your workflow. It is maintained by wagner-emden-it-services; worth a glance at recent repository activity before you build anything load-bearing on it.
SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.
| Tool | What it does |
|---|---|
| Area | Operations |
| Contacts | Companies & contact persons: list, get, create, update, delete |
| Invoices | list, get, create, update, delete, cancel, archive, send, download PDF |
| Estimates | list, get, create, update, delete, send, download PDF |
| Expenses | list, get, create, update, delete |
| Projects | list, get, create, update, delete, archive, unarchive |
| Tasks | list, get, create, update, delete |
| Banking | list, get bank connections & transactions (read-only) |
| Account | Account info, payment terms, propositions |
| Prerequisites | The Prerequisites tool exposed by this server. |
| Cursor | Add to your Cursor MCP settings with the same configuration as Claude Desktop. |
{
"mcpServers": {
"papierkram": {
"command": "npx",
"args": ["-y", "papierkram-mcp-server"],
"env": {
"PAPIERKRAM_API_KEY": "your-value",
"PAPIERKRAM_SUBDOMAIN": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| PAPIERKRAM_API_KEY | Credential the server authenticates with. | Yes |
| PAPIERKRAM_SUBDOMAIN | Configuration value read at startup. | Optional |
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