diff --git a/mcp-registry/servers/calendar.json b/mcp-registry/servers/calendar.json
new file mode 100644
index 00000000..9ff94107
--- /dev/null
+++ b/mcp-registry/servers/calendar.json
@@ -0,0 +1,283 @@
+{
+  "display_name": "Calendar AutoAuth MCP Server",
+  "license": "MIT",
+  "tags": [
+    "calendar",
+    "google calendar",
+    "mcp",
+    "oauth",
+    "authentication",
+    "claude desktop",
+    "events"
+  ],
+  "installations": {
+    "npm": {
+      "type": "npm",
+      "command": "npx",
+      "args": [
+        "@gongrzhe/server-calendar-autoauth-mcp"
+      ],
+      "description": "Installation via Smithery for Claude Desktop"
+    },
+    "docker": {
+      "type": "docker",
+      "command": "docker",
+      "args": [
+        "run",
+        "-i",
+        "--rm",
+        "-v",
+        "mcp-calendar:/calendar-server",
+        "-e",
+        "CALENDAR_CREDENTIALS_PATH=/calendar-server/credentials.json",
+        "mcp/calendar"
+      ],
+      "description": "Docker installation for Claude Desktop"
+    }
+  },
+  "tools": [
+    {
+      "name": "create_event",
+      "description": "Creates a new event in Google Calendar",
+      "inputSchema": {
+        "type": "object",
+        "properties": {
+          "summary": {
+            "type": "string",
+            "description": "Event title"
+          },
+          "start": {
+            "type": "object",
+            "properties": {
+              "dateTime": {
+                "type": "string",
+                "description": "Start time (ISO format)"
+              },
+              "timeZone": {
+                "type": "string",
+                "description": "Time zone"
+              }
+            },
+            "required": [
+              "dateTime"
+            ],
+            "additionalProperties": false
+          },
+          "end": {
+            "type": "object",
+            "properties": {
+              "dateTime": {
+                "type": "string",
+                "description": "End time (ISO format)"
+              },
+              "timeZone": {
+                "type": "string",
+                "description": "Time zone"
+              }
+            },
+            "required": [
+              "dateTime"
+            ],
+            "additionalProperties": false
+          },
+          "description": {
+            "type": "string",
+            "description": "Event description"
+          },
+          "location": {
+            "type": "string",
+            "description": "Event location"
+          }
+        },
+        "required": [
+          "summary",
+          "start",
+          "end"
+        ],
+        "additionalProperties": false,
+        "$schema": "http://json-schema.org/draft-07/schema#"
+      }
+    },
+    {
+      "name": "get_event",
+      "description": "Retrieves details of a specific event",
+      "inputSchema": {
+        "type": "object",
+        "properties": {
+          "eventId": {
+            "type": "string",
+            "description": "ID of the event to retrieve"
+          }
+        },
+        "required": [
+          "eventId"
+        ],
+        "additionalProperties": false,
+        "$schema": "http://json-schema.org/draft-07/schema#"
+      }
+    },
+    {
+      "name": "update_event",
+      "description": "Updates an existing event",
+      "inputSchema": {
+        "type": "object",
+        "properties": {
+          "eventId": {
+            "type": "string",
+            "description": "ID of the event to update"
+          },
+          "summary": {
+            "type": "string",
+            "description": "New event title"
+          },
+          "start": {
+            "type": "object",
+            "properties": {
+              "dateTime": {
+                "type": "string",
+                "description": "New start time (ISO format)"
+              },
+              "timeZone": {
+                "type": "string",
+                "description": "Time zone"
+              }
+            },
+            "required": [
+              "dateTime"
+            ],
+            "additionalProperties": false
+          },
+          "end": {
+            "type": "object",
+            "properties": {
+              "dateTime": {
+                "type": "string",
+                "description": "New end time (ISO format)"
+              },
+              "timeZone": {
+                "type": "string",
+                "description": "Time zone"
+              }
+            },
+            "required": [
+              "dateTime"
+            ],
+            "additionalProperties": false
+          },
+          "description": {
+            "type": "string",
+            "description": "New event description"
+          },
+          "location": {
+            "type": "string",
+            "description": "New event location"
+          }
+        },
+        "required": [
+          "eventId"
+        ],
+        "additionalProperties": false,
+        "$schema": "http://json-schema.org/draft-07/schema#"
+      }
+    },
+    {
+      "name": "delete_event",
+      "description": "Deletes an event from the calendar",
+      "inputSchema": {
+        "type": "object",
+        "properties": {
+          "eventId": {
+            "type": "string",
+            "description": "ID of the event to delete"
+          }
+        },
+        "required": [
+          "eventId"
+        ],
+        "additionalProperties": false,
+        "$schema": "http://json-schema.org/draft-07/schema#"
+      }
+    },
+    {
+      "name": "list_events",
+      "description": "Lists events within a specified time range",
+      "inputSchema": {
+        "type": "object",
+        "properties": {
+          "timeMin": {
+            "type": "string",
+            "description": "Start of time range (ISO format)"
+          },
+          "timeMax": {
+            "type": "string",
+            "description": "End of time range (ISO format)"
+          },
+          "maxResults": {
+            "type": "number",
+            "description": "Maximum number of events to return"
+          },
+          "orderBy": {
+            "type": "string",
+            "enum": [
+              "startTime",
+              "updated"
+            ],
+            "description": "Sort order"
+          }
+        },
+        "required": [
+          "timeMin",
+          "timeMax"
+        ],
+        "additionalProperties": false,
+        "$schema": "http://json-schema.org/draft-07/schema#"
+      }
+    }
+  ],
+  "examples": [
+    {
+      "title": "",
+      "description": "",
+      "prompt": "Create a calendar event for a team meeting tomorrow at 10 AM for 1 hour in Conference Room A"
+    },
+    {
+      "title": "",
+      "description": "",
+      "prompt": "Show me my calendar events for next week"
+    },
+    {
+      "title": "",
+      "description": "",
+      "prompt": "Update my meeting with John on Friday to start at 2 PM instead"
+    },
+    {
+      "title": "",
+      "description": "",
+      "prompt": "Delete the dentist appointment from my calendar"
+    },
+    {
+      "title": "",
+      "description": "",
+      "prompt": "List all my meetings scheduled for January 2024"
+    },
+    {
+      "title": "",
+      "description": "",
+      "prompt": "Create a new event titled 'Project Review' on Monday from 3-4 PM with a description 'Quarterly project status review'"
+    }
+  ],
+  "name": "calendar",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/GongRzhe/Calendar-Autoauth-MCP-Server"
+  },
+  "homepage": "https://github.com/GongRzhe/Calendar-Autoauth-MCP-Server",
+  "author": {
+    "name": "GongRzhe"
+  },
+  "description": "A Model Context Protocol (MCP) server for Google Calendar integration in Claude Desktop with auto authentication support. This server enables AI assistants to manage Google Calendar events through natural language interactions.",
+  "categories": [
+    "Productivity"
+  ],
+  "is_official": false
+}