events

Recommend Events

recommend_events

Read-onlyIdempotent

Use this when a user wants live events ranked by taste, vibe, price, and exclusions. Every result carries recommendation_reasons. Request filters (genres, vibe, event_types, price_max, venue, featuring) are hard filters; avoid and max_price only rank.

Input Schema

Name	Required	Description
`city`	No	City name or slug, for example berlin, 'new york', NYC, LA, 'São Paulo'. Required unless query, venue, featuring or promoter is given.
`free`	No	Only free-entry events.
`vibe`	No	Hard filter, for example underground, intimate, high-energy, queer-friendly, outdoors, free-entry.
`when`	No	Timeframe preset resolved in the city's local timezone: today, tonight, tomorrow, weekend, next weekend, week, next week, month, monday, tuesday, wednesday, thursday, friday, saturday, sunday, any, or an exact date as YYYY-MM-DD. Use date_from/date_to instead for a custom range.
`avoid`	No	Ranking penalties, for example mainstream, huge crowds, expensive tickets, or any word to avoid in titles and tags.
`limit`	No	Same as result_limit; result_limit wins when both are given.
`pride`	No	Only Pride / LGBTQ+ flagged events.
`query`	No	Free-text search, hybrid-ranked by the live API (exact > substring > fuzzy > semantic). Pass soft intent directly, for example 'dark queer warehouse rave' or 'ambient listening bar', or an artist or event name.
`venue`	No	Hard filter on venue name (text match), for example Berghain.
`fields`	No	Extra per-event fields: description (long form), coordinates, socials, promoters (full objects). Images and source are always included. Omit for the compact default.
`genres`	No	Hard filter, for example techno, house, jazz, hip hop, ambient.
`date_to`	No	Inclusive end date, YYYY-MM-DD (city-local).
`sort_by`	No	soonest (chronological), popular (default for multi-day ranges), cost, event_type, or distance (needs origin_lat/origin_lng). Single-day requests default to soonest.
`promoter`	No	Hard filter on promoter slug or display name.
`date_from`	No	Inclusive start date, YYYY-MM-DD (city-local). Overrides `when`.
`featuring`	No	Hard filter on an artist or performer on the lineup.
`max_price`	No	Soft budget used for ranking (over-budget events drop, they are not hidden). Use price_max for a hard cap.
`price_max`	No	Hard filter: maximum ticket price. Events without a listed price are excluded when set.
`price_min`	No	Hard filter: minimum ticket price.
`origin_lat`	No	Latitude for sort_by=distance ('near me'). Only pass coordinates the user gave you.
`origin_lng`	No	Longitude for sort_by=distance.
`profile_id`	No	Optional Dizko preference profile id; pass with profile_secret to rank by saved and learned taste as well. rank then defaults to taste.
`event_types`	No	Hard filter. Vocabulary: party, live music, concert, art, museum, comedy, theatre, talk, meetup, food, festival, wellness, sports.
`result_limit`	No	How many ranked events to return (1-50, default 10).
`neighborhoods`	No	Hard filter on neighborhood names, for example kreuzberg, bushwick.
`profile_secret`	No	Private profile secret returned when the profile was created.

Schema Changelog

Changes observed during successful MCP inspections.

Changed55 schema fields changedOct 14, 2026

removedInput schema / additionalProperties
```
Removed value: -false
```

addedInput schema / dependentRequired

Added value: +{
+  "profile_id": [
+    "profile_secret"
+  ],
+  "profile_secret": [
+    "profile_id"
+  ]
+}

addedInput schema / properties / avoid / description

Added value: +"Ranking penalties, for example mainstream, huge crowds, expensive tickets, or any word to avoid in titles and tags."

addedInput schema / properties / avoid / items / maxLength
```
Added value: +200
```
addedInput schema / properties / avoid / maxItems
```
Added value: +40
```

addedInput schema / properties / city / description

Added value: +"City name or slug, for example berlin, 'new york', NYC, LA, 'São Paulo'. Required unless query, venue, featuring or promoter is given."

addedInput schema / properties / city / maxLength
```
Added value: +200
```

removedInput schema / properties / cursor

Removed value: -{
-  "type": "string"
-}

addedInput schema / properties / date_from / description

Added value: +"Inclusive start date, YYYY-MM-DD (city-local). Overrides `when`."

addedInput schema / properties / date_from / maxLength
```
Added value: +200
```

addedInput schema / properties / date_to / description

Added value: +"Inclusive end date, YYYY-MM-DD (city-local)."

addedInput schema / properties / date_to / maxLength
```
Added value: +200
```

addedInput schema / properties / event_types / description

Added value: +"Hard filter. Vocabulary: party, live music, concert, art, museum, comedy, theatre, talk, meetup, food, festival, wellness, sports."

addedInput schema / properties / event_types / items / maxLength
```
Added value: +200
```
addedInput schema / properties / event_types / maxItems
```
Added value: +50
```

addedInput schema / properties / featuring / description

Added value: +"Hard filter on an artist or performer on the lineup."

addedInput schema / properties / featuring / maxLength
```
Added value: +200
```

addedInput schema / properties / fields

Added value: +{
+  "description": "Extra per-event fields: description (long form), coordinates, socials, promoters (full objects). Images and source are always included. Omit for the compact default.",
+  "items": {
+    "enum": [
+      "description",
+      "images",
+      "coordinates",
+      "socials",
+      "promoters",
+      "source"
+    ],
+    "type": "string"
+  },
+  "maxItems": 12,
+  "type": "array"
+}

addedInput schema / properties / free / description
```
Added value: +"Only free-entry events."
```

addedInput schema / properties / genres / description

Added value: +"Hard filter, for example techno, house, jazz, hip hop, ambient."

addedInput schema / properties / genres / items / maxLength
```
Added value: +200
```
addedInput schema / properties / genres / maxItems
```
Added value: +50
```

addedInput schema / properties / limit / description

Added value: +"Same as result_limit; result_limit wins when both are given."

addedInput schema / properties / limit / maximum
```
Added value: +50
```
addedInput schema / properties / limit / minimum
```
Added value: +1
```

changedInput schema / properties / limit / type

Previous value: -"number"New value: +"integer"

addedInput schema / properties / max_price / description

Added value: +"Soft budget used for ranking (over-budget events drop, they are not hidden). Use price_max for a hard cap."

addedInput schema / properties / neighborhoods / description

Added value: +"Hard filter on neighborhood names, for example kreuzberg, bushwick."

addedInput schema / properties / neighborhoods / items / maxLength
```
Added value: +200
```
addedInput schema / properties / neighborhoods / maxItems
```
Added value: +50
```

removedInput schema / properties / offset

Removed value: -{
-  "type": "number"
-}

addedInput schema / properties / origin_lat

Added value: +{
+  "description": "Latitude for sort_by=distance ('near me'). Only pass coordinates the user gave you.",
+  "type": "number"
+}

addedInput schema / properties / origin_lng

Added value: +{
+  "description": "Longitude for sort_by=distance.",
+  "type": "number"
+}

addedInput schema / properties / price_max / description

Added value: +"Hard filter: maximum ticket price. Events without a listed price are excluded when set."

addedInput schema / properties / price_min / description
```
Added value: +"Hard filter: minimum ticket price."
```

addedInput schema / properties / pride / description

Added value: +"Only Pride / LGBTQ+ flagged events."

addedInput schema / properties / profile_id

Added value: +{
+  "description": "Optional Dizko preference profile id; pass with profile_secret to rank by saved and learned taste as well. rank then defaults to taste.",
+  "maxLength": 200,
+  "type": "string"
+}

addedInput schema / properties / profile_secret

Added value: +{
+  "description": "Private profile secret returned when the profile was created.",
+  "maxLength": 200,
+  "type": "string"
+}

addedInput schema / properties / promoter / description

Added value: +"Hard filter on promoter slug or display name."

addedInput schema / properties / promoter / maxLength
```
Added value: +200
```

addedInput schema / properties / query / description

Added value: +"Free-text search, hybrid-ranked by the live API (exact > substring > fuzzy > semantic). Pass soft intent directly, for example 'dark queer warehouse rave' or 'ambient listening bar', or an artist or event name."

addedInput schema / properties / query / maxLength
```
Added value: +200
```
addedInput schema / properties / result_limit / default
```
Added value: +10
```

addedInput schema / properties / result_limit / description

Added value: +"How many ranked events to return (1-50, default 10)."

addedInput schema / properties / result_limit / maximum
```
Added value: +50
```
addedInput schema / properties / result_limit / minimum
```
Added value: +1
```
changedInput schema / properties / result_limit / type
```
Previous value: -"number"New value: +"integer"
```

addedInput schema / properties / sort_by

Added value: +{
+  "description": "soonest (chronological), popular (default for multi-day ranges), cost, event_type, or distance (needs origin_lat/origin_lng). Single-day requests default to soonest.",
+  "enum": [
+    "soonest",
+    "popular",
+    "distance",
+    "cost",
+    "event_type"
+  ],
+  "type": "string"
+}

addedInput schema / properties / venue / description

Added value: +"Hard filter on venue name (text match), for example Berghain."

addedInput schema / properties / venue / maxLength
```
Added value: +200
```

addedInput schema / properties / vibe / description

Added value: +"Hard filter, for example underground, intimate, high-energy, queer-friendly, outdoors, free-entry."

addedInput schema / properties / vibe / items / maxLength
```
Added value: +200
```
addedInput schema / properties / vibe / maxItems
```
Added value: +50
```

addedInput schema / properties / when / description

Added value: +"Timeframe preset resolved in the city's local timezone: today, tonight, tomorrow, weekend, next weekend, week, next week, month, monday, tuesday, wednesday, thursday, friday, saturday, sunday, any, or an exact date as YYYY-MM-DD. Use date_from/date_to instead for a custom range."

addedInput schema / properties / when / maxLength
```
Added value: +200
```

Changed2 schema fields changedSep 19, 2026
- addedInput schema / additionalProperties
```
Added value: +false
```
- addedInput schema / properties / cursor
```
Added value: +{
+  "type": "string"
+}
```

Changed14 schema fields changedAug 30, 2026

removedInput schema / properties / avoid / description

Removed value: -"Terms to penalize in recommendations."

removedInput schema / properties / city / description

Removed value: -"City name, for example berlin or new york."

removedInput schema / properties / date_from / description

Removed value: -"Inclusive start date in YYYY-MM-DD format."

removedInput schema / properties / date_to / description

Removed value: -"Inclusive end date in YYYY-MM-DD format."

removedInput schema / properties / featuring / description
```
Removed value: -"Artist or performer name."
```
removedInput schema / properties / limit / default
```
Removed value: -12
```

removedInput schema / properties / limit / description

Removed value: -"Results per page (default 12). The response's count field is the TOTAL matching events. Raise limit or use offset to page through more."

removedInput schema / properties / max_price / description

Removed value: -"Preference hint used by recommend_events and plan_night."

removedInput schema / properties / offset / default
```
Removed value: -0
```
addedInput schema / properties / promoter
```
Added value: +{
+  "type": "string"
+}
```

removedInput schema / properties / query / description

Removed value: -"Free-text search, hybrid-ranked by the live API: exact prefix > substring > fuzzy > semantic similarity over event embeddings. Handles soft natural-language intent ('dark queer warehouse rave', 'ambient listening bar') as well as literal names, and recognizes date phrases."

removedInput schema / properties / result_limit / default
```
Removed value: -10
```

removedInput schema / properties / when / description

Removed value: -"Date preset: today, tonight, tomorrow, weekend, week, this week, any, or YYYY-MM-DD."

changedOutput schema / (root)

Previous value: -{
-  "anyOf": [
-    {
-      "properties": {
-        "app_download_url": {
-          "description": "Dizko iPhone app landing page.",
-          "type": "string"
-        },
-        "assistant_instruction": {
-          "type": "string"
-        },
-        "count": {
-          "type": "number"
-        },
-        "events": {
-          "items": {
-            "properties": {
-              "attendance_count": {
-                "type": [
-                  "number",
-                  "null"
-                ]
-              },
-              "calendar_url": {
-                "description": "Prefilled Google Calendar link. Offer as 'Add to calendar'.",
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "city": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "description": {
-                "description": "Short one-line event description for display.",
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "directions_url": {
-                "description": "Google Maps directions link. Offer as 'Get directions'.",
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "ends_at": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "event_types": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "event_url": {
-                "type": "string"
-              },
-              "genres": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "id": {
-                "type": "string"
-              },
-              "lineup": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "price": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "recommendation_reasons": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "recommendation_score": {
-                "type": "number"
-              },
-              "source": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "starts_at": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "ticket_url": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "title": {
-                "type": "string"
-              },
-              "venue": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "vibe": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              }
-            },
-            "required": [
-              "id",
-              "title",
-              "event_url"
-            ],
-            "type": "object"
-          },
-          "type": "array"
-        }
-      },
-      "required": [
-        "count",
-        "events"
-      ],
-      "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

Changed14 schema fields changedAug 24, 2026

addedInput schema / properties / avoid / description

Added value: +"Terms to penalize in recommendations."

addedInput schema / properties / city / description

Added value: +"City name, for example berlin or new york."

addedInput schema / properties / date_from / description

Added value: +"Inclusive start date in YYYY-MM-DD format."

addedInput schema / properties / date_to / description

Added value: +"Inclusive end date in YYYY-MM-DD format."

addedInput schema / properties / featuring / description
```
Added value: +"Artist or performer name."
```
addedInput schema / properties / limit / default
```
Added value: +12
```

addedInput schema / properties / limit / description

Added value: +"Results per page (default 12). The response's count field is the TOTAL matching events. Raise limit or use offset to page through more."

addedInput schema / properties / max_price / description

Added value: +"Preference hint used by recommend_events and plan_night."

addedInput schema / properties / offset / default
```
Added value: +0
```

removedInput schema / properties / promoter

Removed value: -{
-  "type": "string"
-}

addedInput schema / properties / query / description

Added value: +"Free-text search, hybrid-ranked by the live API: exact prefix > substring > fuzzy > semantic similarity over event embeddings. Handles soft natural-language intent ('dark queer warehouse rave', 'ambient listening bar') as well as literal names, and recognizes date phrases."

addedInput schema / properties / result_limit / default
```
Added value: +10
```

addedInput schema / properties / when / description

Added value: +"Date preset: today, tonight, tomorrow, weekend, week, this week, any, or YYYY-MM-DD."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "anyOf": [
+    {
+      "properties": {
+        "app_download_url": {
+          "description": "Dizko iPhone app landing page.",
+          "type": "string"
+        },
+        "assistant_instruction": {
+          "type": "string"
+        },
+        "count": {
+          "type": "number"
+        },
+        "events": {
+          "items": {
+            "properties": {
+              "attendance_count": {
+                "type": [
+                  "number",
+                  "null"
+                ]
+              },
+              "calendar_url": {
+                "description": "Prefilled Google Calendar link. Offer as 'Add to calendar'.",
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "city": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "description": {
+                "description": "Short one-line event description for display.",
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "directions_url": {
+                "description": "Google Maps directions link. Offer as 'Get directions'.",
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "ends_at": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "event_types": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              "event_url": {
+                "type": "string"
+              },
+              "genres": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              "id": {
+                "type": "string"
+              },
+              "lineup": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              "price": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "recommendation_reasons": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              "recommendation_score": {
+                "type": "number"
+              },
+              "source": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "starts_at": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "ticket_url": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "title": {
+                "type": "string"
+              },
+              "venue": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "vibe": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              }
+            },
+            "required": [
+              "id",
+              "title",
+              "event_url"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "count",
+        "events"
+      ],
+      "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"
+}

Changed1 schema field changedAug 24, 2026
- addedInput schema / properties / promoter
```
Added value: +{
+  "type": "string"
+}
```

Changed13 schema fields changedAug 24, 2026

removedInput schema / properties / avoid / description

Removed value: -"Terms to penalize in recommendations."

removedInput schema / properties / city / description

Removed value: -"City name, for example berlin or new york."

removedInput schema / properties / date_from / description

Removed value: -"Inclusive start date in YYYY-MM-DD format."

removedInput schema / properties / date_to / description

Removed value: -"Inclusive end date in YYYY-MM-DD format."

removedInput schema / properties / featuring / description
```
Removed value: -"Artist or performer name."
```
removedInput schema / properties / limit / default
```
Removed value: -12
```

removedInput schema / properties / limit / description

Removed value: -"Results per page (default 12). The response's count field is the TOTAL matching events. Raise limit or use offset to page through more."

removedInput schema / properties / max_price / description

Removed value: -"Preference hint used by recommend_events and plan_night."

removedInput schema / properties / offset / default
```
Removed value: -0
```

removedInput schema / properties / query / description

Removed value: -"Free-text search, hybrid-ranked by the live API: exact prefix > substring > fuzzy > semantic similarity over event embeddings. Handles soft natural-language intent ('dark queer warehouse rave', 'ambient listening bar') as well as literal names, and recognizes date phrases."

removedInput schema / properties / result_limit / default
```
Removed value: -10
```

removedInput schema / properties / when / description

Removed value: -"Date preset: today, tonight, tomorrow, weekend, week, this week, any, or YYYY-MM-DD."

changedOutput schema / (root)

Previous value: -{
-  "anyOf": [
-    {
-      "properties": {
-        "app_download_url": {
-          "description": "Dizko iPhone app landing page.",
-          "type": "string"
-        },
-        "assistant_instruction": {
-          "type": "string"
-        },
-        "count": {
-          "type": "number"
-        },
-        "events": {
-          "items": {
-            "properties": {
-              "attendance_count": {
-                "type": [
-                  "number",
-                  "null"
-                ]
-              },
-              "calendar_url": {
-                "description": "Prefilled Google Calendar link. Offer as 'Add to calendar'.",
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "city": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "description": {
-                "description": "Short one-line event description for display.",
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "directions_url": {
-                "description": "Google Maps directions link. Offer as 'Get directions'.",
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "ends_at": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "event_types": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "event_url": {
-                "type": "string"
-              },
-              "genres": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "id": {
-                "type": "string"
-              },
-              "lineup": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "price": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "recommendation_reasons": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              },
-              "recommendation_score": {
-                "type": "number"
-              },
-              "source": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "starts_at": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "ticket_url": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "title": {
-                "type": "string"
-              },
-              "venue": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              },
-              "vibe": {
-                "items": {
-                  "type": "string"
-                },
-                "type": "array"
-              }
-            },
-            "required": [
-              "id",
-              "title",
-              "event_url"
-            ],
-            "type": "object"
-          },
-          "type": "array"
-        }
-      },
-      "required": [
-        "count",
-        "events"
-      ],
-      "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

A3.9/5.0

Behavior4/5

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

Annotations already establish that this is a safe, idempotent, read-only operation, so the safety bar is covered. The description adds two substantive traits beyond that: every result carries recommendation_reasons (return-shape info useful in the absence of an output schema) and the critical behavioral split that some filters are hard and others merely rank.

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?

Three short sentences, no filler, and the trigger condition, output guarantee, and filter semantics are ordered by importance. Every sentence carries information an agent needs before calling.

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

Completeness4/5

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

For a 26-parameter, zero-required tool with full schema coverage and no output schema, the description is adequate: it defines the paradigm, promises recommendation_reasons, and clarifies hard-vs-soft filtering. It omits the profile_id/profile_secret pairing and the limit/result_limit precedence, though those are documented in the schema itself.

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

Parameters4/5

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

Schema description coverage is 100%, so baseline is 3. The description earns a bit more by consolidating which parameters act as hard filters (genres, vibe, event_types, price_max, venue, featuring) versus ranking-only ones (avoid, max_price) across a 26-parameter surface, where that summary is genuinely useful even though individual param descriptions repeat it.

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

Purpose4/5

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

States a specific verb+resource ('live events ranked by taste, vibe, price, and exclusions') and implies a recommendation-oriented ranking task. It does not, however, name or distinguish itself from the sibling search_events or recommend_events_for_user, so an agent must infer the split from the word 'ranked' alone.

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

Usage Guidelines3/5

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

'Use this when a user wants live events ranked by taste, vibe, price, and exclusions' gives a trigger condition but no explicit when-not and no named alternative. With search_events and recommend_events_for_user both present, the description leaves the agent to guess which ranking tool applies.

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

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