Happo for Claude Code

io.happo/mcp

Review Happo's visual and accessibility diffs: inspect comparisons, accept or reject, report flakes.

client:Claude Code transport:streamable-http

Install Happo in Claude Code

run in your project directory

claude mcp add --transport http mcp https://happo.io/api/mcp

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