events

Create Event Calendar File

create_event_calendar_file

Read-onlyIdempotent

Use this when the user wants one event in Apple Calendar, Google Calendar or Outlook as a file. Builds an importable .ics entry (local time, venue address, lineup, set times, links); the per-event calendar_url is the one-click alternative.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`status`	No		CONFIRMED
`event_id`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedOct 14, 2026
- addedInput schema / properties / event_id / maxLength
```
Added value: +200
```
- addedInput schema / properties / status / default
```
Added value: +"CONFIRMED"
```
- addedInput schema / properties / status / enum
```
Added value: +[
+  "CONFIRMED",
+  "TENTATIVE"
+]
```

Changed3 schema fields changedAug 30, 2026

removedInput schema / properties / event_id / description

Removed value: -"Event id returned by search, recommendations, plan_night, get_event, or a ticket quote."

removedInput schema / properties / status / description

Removed value: -"Calendar status, for example CONFIRMED or TENTATIVE."

changedOutput schema / (root)

Previous value: -{
-  "anyOf": [
-    {
-      "properties": {
-        "assistant_instruction": {
-          "type": "string"
-        },
-        "calendar_event": {
-          "properties": {
-            "city": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "ends_at": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "event_url": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "ics_content": {
-              "type": "string"
-            },
-            "ics_filename": {
-              "type": "string"
-            },
-            "starts_at": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "status": {
-              "type": "string"
-            },
-            "ticket_url": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "title": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "uid": {
-              "type": "string"
-            },
-            "venue": {
-              "type": [
-                "string",
-                "null"
-              ]
-            }
-          },
-          "required": [
-            "uid",
-            "ics_filename",
-            "ics_content"
-          ],
-          "type": [
-            "object",
-            "null"
-          ]
-        }
-      },
-      "required": [
-        "calendar_event"
-      ],
-      "type": "object"
-    },
-    {
-      "properties": {
-        "assistant_instruction": {
-          "type": "string"
-        },
-        "cause": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "classification": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "code": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "error": {
-          "type": "string"
-        },
-        "hostname": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "retryable": {
-          "type": "boolean"
-        },
-        "status": {
-          "type": [
-            "number",
-            "null"
-          ]
-        },
-        "type": {
-          "type": "string"
-        },
-        "url": {
-          "type": [
-            "string",
-            "null"
-          ]
-        }
-      },
-      "required": [
-        "error"
-      ],
-      "type": "object"
-    }
-  ],
-  "type": "object"
-}New value: +null

Changed3 schema fields changedAug 24, 2026

addedInput schema / properties / event_id / description

Added value: +"Event id returned by search, recommendations, plan_night, get_event, or a ticket quote."

addedInput schema / properties / status / description

Added value: +"Calendar status, for example CONFIRMED or TENTATIVE."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "anyOf": [
+    {
+      "properties": {
+        "assistant_instruction": {
+          "type": "string"
+        },
+        "calendar_event": {
+          "properties": {
+            "city": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "ends_at": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "event_url": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "ics_content": {
+              "type": "string"
+            },
+            "ics_filename": {
+              "type": "string"
+            },
+            "starts_at": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "status": {
+              "type": "string"
+            },
+            "ticket_url": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "title": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "uid": {
+              "type": "string"
+            },
+            "venue": {
+              "type": [
+                "string",
+                "null"
+              ]
+            }
+          },
+          "required": [
+            "uid",
+            "ics_filename",
+            "ics_content"
+          ],
+          "type": [
+            "object",
+            "null"
+          ]
+        }
+      },
+      "required": [
+        "calendar_event"
+      ],
+      "type": "object"
+    },
+    {
+      "properties": {
+        "assistant_instruction": {
+          "type": "string"
+        },
+        "cause": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "classification": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "code": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "error": {
+          "type": "string"
+        },
+        "hostname": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "retryable": {
+          "type": "boolean"
+        },
+        "status": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "type": {
+          "type": "string"
+        },
+        "url": {
+          "type": [
+            "string",
+            "null"
+          ]
+        }
+      },
+      "required": [
+        "error"
+      ],
+      "type": "object"
+    }
+  ],
+  "type": "object"
+}

Changed3 schema fields changedAug 24, 2026

removedInput schema / properties / event_id / description

Removed value: -"Event id returned by search, recommendations, plan_night, get_event, or a ticket quote."

removedInput schema / properties / status / description

Removed value: -"Calendar status, for example CONFIRMED or TENTATIVE."

changedOutput schema / (root)

Previous value: -{
-  "anyOf": [
-    {
-      "properties": {
-        "assistant_instruction": {
-          "type": "string"
-        },
-        "calendar_event": {
-          "properties": {
-            "city": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "ends_at": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "event_url": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "ics_content": {
-              "type": "string"
-            },
-            "ics_filename": {
-              "type": "string"
-            },
-            "starts_at": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "status": {
-              "type": "string"
-            },
-            "ticket_url": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "title": {
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "uid": {
-              "type": "string"
-            },
-            "venue": {
-              "type": [
-                "string",
-                "null"
-              ]
-            }
-          },
-          "required": [
-            "uid",
-            "ics_filename",
-            "ics_content"
-          ],
-          "type": [
-            "object",
-            "null"
-          ]
-        }
-      },
-      "required": [
-        "calendar_event"
-      ],
-      "type": "object"
-    },
-    {
-      "properties": {
-        "assistant_instruction": {
-          "type": "string"
-        },
-        "cause": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "classification": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "code": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "error": {
-          "type": "string"
-        },
-        "hostname": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "retryable": {
-          "type": "boolean"
-        },
-        "status": {
-          "type": [
-            "number",
-            "null"
-          ]
-        },
-        "type": {
-          "type": "string"
-        },
-        "url": {
-          "type": [
-            "string",
-            "null"
-          ]
-        }
-      },
-      "required": [
-        "error"
-      ],
-      "type": "object"
-    }
-  ],
-  "type": "object"
-}New value: +null

First observedJul 30, 2026

TDQS

A4/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnly, idempotent, non-destructive and closed-world behavior, so the safety profile is covered. The description adds real value beyond that by disclosing what the generated artifact contains (local time, venue address, lineup, set times, links), which is exactly the kind of behavior the annotations cannot express.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two dense sentences, both front-loaded: the usage trigger first, then the artifact description and alternative. No filler, no repetition of the title.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

There is no output schema, so the description carries the burden of explaining the return, yet it never says how the .ics is delivered (file contents, URL, attachment). Combined with the undocumented required event_id, the definition is workable for routing but incomplete for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%: neither event_id (required) nor status (enum CONFIRMED/TENTATIVE) is documented in the schema, and the description never mentions either parameter. The description therefore fails to compensate for the coverage gap, leaving the agent to guess what event_id should contain and what status controls.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb and artifact: it "Builds an importable .ics entry" for one event, scoped to Apple Calendar, Google Calendar or Outlook. It also contrasts itself with the alternative path (the per-event calendar_url), so an agent can place it precisely relative to other event tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

"Use this when the user wants one event ... as a file" gives a clear trigger condition, and the closing clause names the one-click alternative. It implies (via "one event") but never states the when-not case for bulk/whole-calendar exports, so it stops short of explicit exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All events tools Inspect

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