CCS Verifier MCP for Claude Code

io.github.dshcorrectover/ccs-verifier-mcp

Free, unlimited CCS receipt verification via Ed25519 signatures. CC0-1.0 licensed.

client:Claude Code transport:stdio runtime:npm

Install CCS Verifier MCP in Claude Code

run in your project directory

claude mcp add ccs-verifier-mcp -- npx -y ccs-verifier-mcp

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