Keystone for Claude.ai

io.github.srikarmk/keystone

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

client:Claude.ai transport:streamable-http tools:3

Install Keystone in Claude.ai

Settings → Connectors → Add custom connector

https://keystone-research.vercel.app/api/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

search_library
read_paper
list_disagreements

Keystone in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Keystone MCP server