Keystone for Claude Code

io.github.srikarmk/keystone

What an arXiv paper builds on, disputes and assumes, read verbatim from its LaTeX. No LLM.

client:Claude Code transport:streamable-http tools:3

Install Keystone in Claude Code

run in your project directory

claude mcp add --transport http keystone https://keystone-research.vercel.app/api/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs