canonicalhash for Claude Code

io.github.mlartab2/canonicalhash

Deterministic JSON hashing and EIP-712 attestations for AI agents via x402.

client:Claude Code transport:streamable-http tools:5

Install canonicalhash in Claude Code

run in your project directory

claude mcp add --transport http canonicalhash https://canonicalhash-production.up.railway.app/mcp

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