Skip to content
mcp/harbor
Verified official

canonicalhash MCP

v1.0.0

io.github.mlartab2/canonicalhash

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

transport:streamable-http tools:5
View source

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

canonicalize

canonicalize

batch_canonicalize

batch canonicalize

create_receipt Mutating

create receipt

structure_extraction

structure extraction

verify_attestation

verify attestation

All 5 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.