Evidence row 44590

What was observed

{
  "endpoints": [
    [
      "web",
      "https://caldav-mcp.ni-c.de/"
    ]
  ],
  "name": "CalDAV calendars",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-13T09:45:54.395765Z",
        "status": "active",
        "statusChangedAt": "2026-10-13T09:45:54.395765Z",
        "updatedAt": "2026-10-13T09:45:54.395765Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read and write CalDAV calendars: events, tasks and journal entries over the open standard",
      "name": "io.github.ni-c/caldav-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Root of the CalDAV server, e.g. https://dav.example.net. A calendar collection URL also works.",
              "format": "string",
              "isRequired": true,
              "name": "CALDAV_URL"
            },
            {
              "description": "Account name. Most hosted services want an app-specific password with it.",
              "format": "string",
              "name": "CALDAV_USERNAME"
            },
            {
              "description": "Password or app-specific password. Deleted from the environment once read.",
              "format": "string",
              "isSecret": true,
              "name": "CALDAV_PASSWORD"
            },
            {
              "description": "Bearer token, as an alternative to username and password. Not both.",
              "format": "string",
              "isSecret": true,
              "name": "CALDAV_TOKEN"
            },
            {
              "description": "Comma-separated calendars this server may touch, by path or final path segment. Default: all of them.",
              "format": "string",
              "name": "CALDAV_CALENDARS"
            },
            {
              "description": "IANA zone for timestamps that carry no offset, e.g. Europe/Berlin (default: UTC)",
              "format": "string",
              "name": "CALDAV_TIMEZONE"
            },
            {
              "description": "The address you are invited as, so respond_to_event can find your own attendee line",
              "format": "string",
              "name": "CALDAV_USER_EMAIL"
            },
            {
              "description": "Entries a listing returns by default, 1 to 500 (default: 100)",
              "format": "number",
              "name": "CALDAV_MAX_EVENTS"
            },
            {
              "description": "Set to true to register only the read tools (default: false)",
              "format": "boolean",
              "name": "CALDAV_READ_ONLY"
            },
            {
              "description": "Set to true to accept a self-signed certificate on the configured host only (default: false)",
              "format": "boolean",
              "name": "CALDAV_INSECURE_TLS"
            },
            {
              "description": "Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials unencrypted (default: false)",
              "format": "boolean",
              "name": "CALDAV_ALLOW_PLAINTEXT"
            },
            {
              "description": "Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)",
              "format": "string",
              "name": "CALDAV_ALLOW_TOOLS"
            },
            {
              "description": "Comma-separated tool names or list_* prefixes to remove from whatever the allow list left",
              "format": "string",
              "name": "CALDAV_DENY_TOOLS"
            },
            {
              "description": "Deliberately unprefixed, and reaches every MCP server in the environment. Set to false to make guarded tools use the two-call token instead of a dialog (default: true)",
              "format": "boolean",
              "name": "ELICITATION"
            }
          ],
          "identifier": "@ni-c/caldav-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.5"
        },
        {
          "environmentVariables": [
            {
              "description": "Root of the CalDAV server, e.g. https://dav.example.net. A calendar collection URL also works.",
              "format": "string",
              "isRequired": true,
              "name": "CALDAV_URL"
            },
            {
              "description": "Account name. Most hosted services want an app-specific password with it.",
              "format": "string",
              "name": "CALDAV_USERNAME"
            },
            {
              "description": "Password or app-specific password. Deleted from the environment once read.",
              "format": "string",
              "isSecret": true,
              "name": "CALDAV_PASSWORD"
            },
            {
              "description": "Bearer token, as an alternative to username and password. Not both.",
              "format": "string",
              "isSecret": true,
              "name": "CALDAV_TOKEN"
            },
            {
              "description": "Comma-separated calendars this server may touch, by path or final path segment. Default: all of them.",
              "format": "string",
              "name": "CALDAV_CALENDARS"
            },
            {
              "description": "IANA zone for timestamps that carry no offset, e.g. Europe/Berlin (default: UTC)",
              "format": "string",
              "name": "CALDAV_TIMEZONE"
            },
            {
              "description": "The address you are invited as, so respond_to_event can find your own attendee line",
              "format": "string",
              "name": "CALDAV_USER_EMAIL"
            },
            {
              "description": "Entries a listing returns by default, 1 to 500 (default: 100)",
              "format": "number",
              "name": "CALDAV_MAX_EVENTS"
            },
            {
              "description": "Set to true to register only the read tools (default: false)",
              "format": "boolean",
              "name": "CALDAV_READ_ONLY"
            },
            {
              "description": "Set to true to accept a self-signed certificate on the configured host only (default: false)",
              "format": "boolean",
              "name": "CALDAV_INSECURE_TLS"
            },
            {
              "description": "Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials unencrypted (default: false)",
              "format": "boolean",
              "name": "CALDAV_ALLOW_PLAINTEXT"
            },
            {
              "description": "Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)",
              "format": "string",
              "name": "CALDAV_ALLOW_TOOLS"
            },
            {
              "description": "Comma-separated tool names or list_* prefixes to remove from whatever the allow list left",
              "format": "string",
              "name": "CALDAV_DENY_TOOLS"
            },
            {
              "description": "Deliberately unprefixed, and reaches every MCP server in the environment. Set to false to make guarded tools use the two-call token instead of a dialog (default: true)",
              "format": "boolean",
              "name": "ELICITATION"
            }
          ],
          "identifier": "ghcr.io/ni-c/caldav-mcp:0.1.5",
          "registryType": "oci",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ni-c/caldav-mcp"
      },
      "title": "CalDAV calendars",
      "version": "0.1.5",
      "websiteUrl": "https://caldav-mcp.ni-c.de"
    }
  },
  "source": "mcp_registry",
  "summary": "Read and write CalDAV calendars: events, tasks and journal entries over the open standard"
}

What the leaf hashes

{"body":"4292b18f3dce5c19bd836bb65251e031a3ab43c0b7fe2058e19d21d4626cd38b","id":44590,"kind":"listing","method":"baseline/1","observed_us":1793025404965981,"prev":null,"subject":"mcp_registry:io.github.ni-c/caldav-mcp","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.