Canonicalhash
by canonicalhash-production.up.railway.app in Developer tools
Deterministic JSON hashing and EIP-712 attestations for AI agents via x402.
https://canonicalhash-production.up.railway.app/mcp- Tools
- 5
- open to any client
- Uptime
- 100%
- last 30 days
- Response time
- 287 ms
- 301 ms slowest 5%
- Last check
- Passed
- 4 h ago, next in 2 h
Reliability
Status and outage history · Atom feed · Watch with other listings
How to connect
Add it to any MCP client that supports remote servers.
{
"mcpServers": {
"canonicalhash": {
"type": "http",
"url": "https://canonicalhash-production.up.railway.app/mcp"
}
}
}5 tools
- canonicalize
Canonicalize JSON with RFC 8785 and return a SHA-256 hash plus an EIP-712 signed attestation.
- batch_canonicalize
Batch canonicalize up to 1000 JSON payloads in one call.
- create_receipt
Generate a tamper-evident EIP-712 action receipt for an agent decision.
- structure_extraction
Extract structured JSON from messy text (emails, logs, tickets) using regex or Needle 3.
- verify_attestation
Verify an EIP-712 attestation against the published public key. Always free.
Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 4 h ago | Passed | 200 | 301 ms |
| 15 h ago | Passed | 200 | 287 ms |