| What it is | Report and document engine: template + JSON data → document | API (with Python and TypeScript SDKs and an MCP server) that creates, reviews and edits documents |
| Create | Fills the template with your JSON data | From a sentence (prompt) or your Markdown (content), with the style described in plain text |
| Edit existing files | Not its model: it generates new documents from templates | Yes: you describe the change in a Word, PowerPoint, Excel or PDF file and the rest stays the same |
| Review and repair | Not its goal | Review returns the same file fixed plus a report |
| PDF | Yes; in the self-hosted edition PDF conversion requires LibreOffice to be installed | Every file comes with its PDF |
| Formats | Very broad: DOCX, ODT, HTML, XLSX, PPTX… templates; PDF, DOCX, XLSX, PPTX, ODS, HTML and more as output | Word, PowerPoint, Excel and PDF |
| Templates needed | Yes | No; you can pass a file to copy its design |
| Use from an AI agent | Has an MCP server for AI assistants | Ready-made function-calling tools and an MCP server |
| Hosting | Carbone Cloud, private cloud (AWS Marketplace) or on-premise (also Docker) | Hosted service; documents stored in the EU (Ireland) |
| License and price | Free, self-hostable Community Edition (Carbone Community License, one major version behind Enterprise); Cloud with a free plan of 100 documents/month and paid monthly plans; yearly on-premise licenses | Pay per delivered document from a prepaid balance, no monthly fee; €5 free to start |