Create PDFs from your CastPDF templates or HTML, issue EU e-invoices, and look up documents.
Connect Runs on your machine
claude mcp add castpdf-mcp -e CASTPDF_API_KEY=<CASTPDF_API_KEY> -- npx -y @castpdf/[email protected]{
"mcpServers": {
"castpdf-mcp": {
"command": "npx",
"args": [
"-y",
"@castpdf/[email protected]"
],
"env": {
"CASTPDF_API_KEY": "<CASTPDF_API_KEY>"
}
}
}
}{
"mcpServers": {
"castpdf-mcp": {
"command": "npx",
"args": [
"-y",
"@castpdf/[email protected]"
],
"env": {
"CASTPDF_API_KEY": "<CASTPDF_API_KEY>"
}
}
}
}{
"servers": {
"castpdf-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@castpdf/[email protected]"
],
"env": {
"CASTPDF_API_KEY": "<CASTPDF_API_KEY>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
CASTPDF_API_KEYRequired, secret | Your CastPDF API key (cpdf_test_... for watermarked test documents, cpdf_live_... for live ones). |
Details
| Package | @castpdf/[email protected] (NPM, stdio) |
| First published | 12 Oct 2026 |
| Last updated | 12 Oct 2026 |
| Registry name | io.github.castpdf/castpdf-mcp |
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