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ProSignature email signatures

co.prosignature/email-signatures

by co.prosignature· v1.4.0Source: Official MCP Registry
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Protocol and transport

Negotiated protocol versionSource: Squatch observed
2025-06-18
Declared protocol versionsSource: Official MCP Registry
Not declared
Transports
streamable-http

serverInfo

Source: Squatch observed
{
  "name": "prosignature",
  "title": "ProSignature email signatures",
  "version": "1.4.0"
}

Extensions

No protocol extensions observed.

Authentication

Source: Squatch observed
Summary
{
  "type": "none",
  "challengeStatus": null,
  "scopesSupported": [],
  "resourceMetadataUrl": null,
  "authorizationServers": []
}

Conformance

Source: Squatch observed
Checks
{
  "checks": [
    {
      "check": "tools_list_deterministic",
      "passed": true
    },
    {
      "check": "list_methods_succeed",
      "passed": true
    },
    {
      "check": "list_results_schema_valid",
      "passed": true
    },
    {
      "check": "pagination_terminates",
      "passed": true
    },
    {
      "check": "tool_names_valid",
      "passed": true
    },
    {
      "check": "tool_names_unique",
      "passed": true
    },
    {
      "check": "no_network_schema_refs",
      "passed": true
    },
    {
      "check": "x_mcp_header_valid",
      "passed": true
    },
    {
      "check": "icon_urls_https_or_data",
      "detail": "no icons declared",
      "passed": true
    },
    {
      "check": "initialize_version_echo",
      "detail": "requested 2025-11-25, received \"2025-06-18\"",
      "passed": true
    },
    {
      "check": "notification_202",
      "passed": true
    },
    {
      "check": "get_stream_or_405",
      "passed": true
    }
  ],
  "toolsListNondeterministic": false
}

Protocol

Source: Squatch observed
Summary
{
  "era": "legacy",
  "extensions": [],
  "serverInfo": {
    "name": "prosignature",
    "title": "ProSignature email signatures",
    "version": "1.4.0"
  },
  "transportType": "streamable-http",
  "negotiatedVersion": "2025-06-18",
  "supportedVersions": [],
  "instructionsPresent": true,
  "declaredTransportMismatch": false
}

TLS

Source: Squatch observed
Summary
{
  "ok": true,
  "issuer": "CN=YE1, O=Let's Encrypt, C=US",
  "validTo": "2026-12-07T13:03:46.000Z",
  "protocol": "TLSv1.3"
}

No redirects were recorded in the latest scan.

Scan metadata

Scan id
7069649f-c44c-40e3-9e83-444245e831c2
Status
completed
Trigger
registry_sync
Started
Completed
Scanner version
1.0.0
Snapshot fingerprint
7708b7869cca78b14b071dbaad2a226e79e8401b8778279bfe2e4ddb572d8164