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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "canonicalhash": {
      "type": "http",
      "url": "https://canonicalhash-production.up.railway.app/mcp"
    }
  }
}

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

[mcp_servers.canonicalhash]
url = "https://canonicalhash-production.up.railway.app/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "canonicalhash": {
      "type": "remote",
      "url": "https://canonicalhash-production.up.railway.app/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "canonicalhash": {
      "type": "http",
      "url": "https://canonicalhash-production.up.railway.app/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=canonicalhash&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vY2Fub25pY2FsaGFzaC1wcm9kdWN0aW9uLnVwLnJhaWx3YXkuYXBwL21jcCJ9"
}

{
  "servers": {
    "canonicalhash": {
      "type": "http",
      "url": "https://canonicalhash-production.up.railway.app/mcp"
    }
  }
}

{
  "mcpServers": {
    "canonicalhash": {
      "httpUrl": "https://canonicalhash-production.up.railway.app/mcp"
    }
  }
}

extensions:
  "canonicalhash":
    enabled: true
    name: "canonicalhash"
    type: streamable_http
    uri: "https://canonicalhash-production.up.railway.app/mcp"
    timeout: 300

Quality 73 / 100new

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene71 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
fail
tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
fail
tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: batch_canonicalize (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); canonicalize (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); verify_attestation (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
pass
tools.token_costabout 442 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool history recorded for 1 of the 7 days needed

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

5 tools, about 442 tokens to load them all · tool set 06731564aa58 · checked 2026-10-19 20:06 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 94 / 100

provenance80

liveness100

freshness100

hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% +updated-2d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://canonicalhash-production.up.railway.app/mcp` streamable-http	none	yes	100%	229 ms	2025-11-25	2026-10-19

Tools (5)

`batch_canonicalize`	Batch canonicalize up to 1000 JSON payloads in one call.
`canonicalize`	Canonicalize JSON with RFC 8785 and return a SHA-256 hash plus an EIP-712 signed attestation.
`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.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.Mlartab2/canonicalhash",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://canonicalhash-production.up.railway.app/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/Mlartab2/canonicalhash",
    "source": "github"
  },
  "description": "Deterministic JSON hashing and EIP-712 attestations for AI agents via x402."
}