RemotePaid service

Canonicalhash MCP server

Mlartab2/canonicalhash

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

Install Canonicalhash in Claude Code

Claude Code
claude mcp add --transport http canonicalhash https://canonicalhash-production.up.railway.app/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "canonicalhash": {
      "url": "https://canonicalhash-production.up.railway.app/mcp"
    }
  }
}

Frequently asked questions

What does the Canonicalhash MCP server do?

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

Is the Canonicalhash MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does Canonicalhash run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Canonicalhash to Claude Code?

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

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