Document to Markdown for ChatGPT
io.github.catalyst-labs-dev/document-to-markdown
PDF/DOCX/XLSX to markdown + RAG chunks, $0.001/page; failed files never charged.
client:ChatGPT
transport:streamable-http
Install Document to Markdown in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.apify.com/?tools=catalyst-labs/document-to-markdown
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs