These pages moved here from mcp.probablyfine.click on 1 November 2026. Their text is unchanged. mcp.probablyfine.click now redirects here, and it still keeps an access log of each request for 30 days: the date and time, the IP address, the name and version the software or browser reports, the method, the path requested, the response status and a request ID. Where the text below says "this site", it means mcp.probablyfine.click. burnerdocs.dev itself is covered by its own privacy note.

Probably Fine Converter MCP

A local Model Context Protocol server that lets AI agents convert documents on your own computer. Word, Excel, PowerPoint, OpenDocument, RTF, text, HTML, CSV and PDF go in; PDF and the office formats come out. Document content, file names and paths never leave the computer.

Under development: there is no released package yet.

The same engine as the Probably Fine Document Converter

• Same bytes. It runs the conversion engine (LibreOffice compiled to WebAssembly) exactly as published, and never modifies it.
• Verified first. Before running anything it checks every file against the signed release: a pinned root key signs the keyring, an authorised signer signs the release manifest, and the manifest lists the SHA-256 of every file.
• Confined. Documents are converted inside WebAssembly, with no network access and no macros, in a separate process that can read only the engine's files.

Using it with an MCP client

The server speaks MCP over stdio and needs Node.js 22.21 or later, or 24 or later (not 23).

{
  "mcpServers": {
    "burnerdocs": {
      "command": "node",
      "args": ["/path/to/burnerdocs-mcp.js", "--allow-dir", "/path/to/documents"]
    }
  }
}

Before the first conversion, run setup once in a terminal. It shows the terms of use and exactly what is sent to Franklin Softworks LLC. Input and output files must be inside the client's workspace or a directory you allow.

Tools

• convert_document: converts one file; the result lists every warning.
• list_supported_formats: which outputs each input type supports.
• engine_status: the verified engine release on this computer and its provenance.
• prepare_engine: downloads and verifies engine modules ahead of use.

Licensing

Personal use is free. Business use requires a licence from Franklin Softworks LLC. Organisations receive an organisation key that their administrator deploys; air-gapped organisations serve the engine from their own web server.

What it sends

Unless it runs under an air-gapped organisation licence, the software checks in with Franklin Softworks LLC: setup lists every field it sends, and licence status shows the next check-in exactly as it will be sent. It never sends documents, their content, file names or paths. The servers at license.mcp.probablyfine.click and cdn.mcp.probablyfine.click keep security records of each request for 90 days: IP address, the name and version the software reports, the address requested, the time, and whether the request was served.

cdn.mcp.probablyfine.click and this site, mcp.probablyfine.click, also keep an access log of each request for 30 days: the date and time, the IP address, the name and version the software or browser reports, the method, the path requested, the response status and a request ID. They record no query strings, cookies, referrers or connection details.

The conversion engine is downloaded from engine.burnerdocs.com, served by Cloudflare, Inc. For each request Cloudflare processes the IP address (and from it an approximate location and network), the date and time, the host, method and path requested (with any query string), the request headers the software sends (its User-Agent, BurnerDocs-MCP/<version>; no cookies or referrer), the protocol and encryption details of the connection, and the response status, type, size and duration and which Cloudflare data centre served it. Cloudflare keeps request data for its own purposes (security, fraud and abuse prevention, improving its network) for periods it sets: see Cloudflare's privacy policy. Franklin Softworks LLC sees traffic statistics in Cloudflare's dashboard and may see individual requests there (IP address, country, path, the name and version reported) for at least 31 days; no request log is exported. Cloudflare processes this under its data processing terms. Downloads set no cookies, unless Cloudflare challenges a request (for example during an attack), when it may set a security cookie such as cf_clearance or __cf_bm.

Third-party software

The conversion engine is built from open-source software under its own licences; see Licences. Corresponding Source for every engine release is at github.com/franklin-softworks/probablyfine-document-converter-corresponding-source.