Polish e-invoices (faktury) in KSeF: clients, products, drafts, validation and confirmed issuing.
Connect Remote server
claude mcp add --transport http ksefcanvas https://api.ksefcanvas.pl/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"ksefcanvas": {
"url": "https://api.ksefcanvas.pl/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"ksefcanvas": {
"type": "http",
"url": "https://api.ksefcanvas.pl/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://api.ksefcanvas.pl/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server asks for a key before it lists its tools. Connect it with your own key to see them.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional: clients that support MCP authorization sign in to KSeF Canvas (OAuth) instead. Otherwise Bearer followed by the firm's API key (kc_live_…), created by the firm owner in Ustawienia → Integracje → API. |
Details
| Endpoint | https://api.ksefcanvas.pl/mcp (Streamable HTTP) |
| First published | 12 Nov 2026 |
| Last updated | 12 Nov 2026 |
| Registry name | pl.ksefcanvas/ksefcanvas |
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