Lenz Fact-Check for Claude Code

io.lenz/fact-check

Check the factual claims in a draft or an answer: a quick verdict, or a deep check with sources.

client:Claude Code transport:streamable-http

Install Lenz Fact-Check in Claude Code

run in your project directory

claude mcp add --transport http fact-check https://lenz.io/mcp

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