Read the structure before trusting the handoff
Run the local Markdown inspector
This tool is a local Node CLI, not a browser upload service. Download the source and run it against your own file. Node 24 or newer is required.
git clone https://github.com/kolmo2026/paper-markdown-check.git cd paper-markdown-check npm ci node src/cli.js examples/clean-paper.md node src/cli.js examples/broken-paper.md --json npm test
The broken sample intentionally exits with code 1. Use node src/cli.js --help for the command syntax. The command never writes to your document and does not fetch remote links.