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UniAffitti Room Finder

by com.uniaffitti.www
OverviewDiscussionsAdmin

List search metadata

list_search_metadata
Read-onlyIdempotent

List a paginated slice of the global university catalog, optional campuses, and feature filters for room search. The catalog is not limited to 500 records.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
university_limitNo
university_queryNoFilter universities by name, city, country, or alias.
university_offsetNo
university_country_codeNoISO 3166-1 alpha-2 country code.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
campusesYes
featuresYes
room_typesYes
universitiesYes
universities_paginationYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "additionalProperties": false,
+  "properties": {
+    "campuses": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "address": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "campus_type": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "id": {
+            "type": "integer"
+          },
+          "is_verified": {
+            "type": "boolean"
+          },
+          "latitude": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "longitude": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "name": {
+            "type": "string"
+          },
+          "university_id": {
+            "type": "integer"
+          }
+        },
+        "required": [
+          "id",
+          "university_id",
+          "name",
+          "latitude",
+          "longitude",
+          "is_verified"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "features": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "type": "string"
+          },
+          "feature_type": {
+            "type": "string"
+          },
+          "id": {
+            "type": "integer"
+          },
+          "label": {
+            "type": "string"
+          },
+          "options": {
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "value_code": {
+                  "type": "string"
+                },
+                "value_label": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "value_code",
+                "value_label"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "unit": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "code",
+          "label",
+          "feature_type"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "room_types": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "label": {
+            "type": "string"
+          },
+          "value": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "value",
+          "label"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "universities": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "city": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "country_code": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "country_name": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "default_latitude": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "default_longitude": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "email_domain": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "id": {
+            "type": "integer"
+          },
+          "name": {
+            "type": "string"
+          },
+          "region": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "website_url": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "name",
+          "city",
+          "country_code",
+          "country_name"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "universities_pagination": {
+      "additionalProperties": false,
+      "properties": {
+        "has_more": {
+          "type": "boolean"
+        },
+        "limit": {
+          "type": "integer"
+        },
+        "offset": {
+          "type": "integer"
+        },
+        "total": {
+          "type": "integer"
+        }
+      },
+      "required": [
+        "total",
+        "limit",
+        "offset",
+        "has_more"
+      ],
+      "type": "object"
+    }
+  },
+  "required": [
+    "universities",
+    "universities_pagination",
+    "campuses",
+    "features",
+    "room_types"
+  ],
+  "type": "object"
+}
  2. Changed4 schema fields changed
    • addedInput schema / properties / university_country_code
      Added value: +{
+  "description": "ISO 3166-1 alpha-2 country code.",
+  "type": "string"
+}
    • addedInput schema / properties / university_limit
      Added value: +{
+  "default": 50,
+  "maximum": 100,
+  "minimum": 1,
+  "type": "integer"
+}
    • addedInput schema / properties / university_offset
      Added value: +{
+  "default": 0,
+  "minimum": 0,
+  "type": "integer"
+}
    • addedInput schema / properties / university_query
      Added value: +{
+  "description": "Filter universities by name, city, country, or alias.",
+  "type": "string"
+}
  3. First observed

TDQS

C2.8/5.0
Behavior3/5

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 does add two useful behavioral facts beyond that — results are paginated and the catalog is not capped at 500 records — but the '500 records' reference is unexplained and no other behavior (auth, response shape) is disclosed.

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

Conciseness3/5

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

Two short sentences, with the core purpose front-loaded — that part is efficient. However, the second sentence about the 500-record cap appears with no antecedent or rationale, reading as an unexplained aside that weakens structure rather than adding value.

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?

An output schema exists, so return values need not be explained, and annotations cover safety; that lowers the burden. Still, for a tool whose name says 'search metadata' and whose siblings overlap heavily, the description should clarify the relationship to search_universities and list_university_campuses — that gap remains unaddressed.

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

Parameters3/5

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

Schema coverage is 50%: university_query and university_country_code are documented in-schema, while university_limit and university_offset have only defaults/bounds. The phrase 'paginated slice' hints at limit/offset semantics but does not add format, default, or interaction detail beyond what the schema already states, so this sits at the baseline.

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

Purpose3/5

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

The description gives a verb (list) and resources (university catalog, campuses, feature filters), but it conflates three different things and never explains what 'search metadata' in the tool name refers to. With siblings like search_universities and list_university_campuses present, an agent cannot confidently tell this tool apart from them.

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

Usage Guidelines2/5

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

No when-to-use guidance is given. The description does not state whether this is the discovery/prep step before search_rooms, or how it relates to search_universities or list_university_campuses, leaving the agent to guess which sibling to call.

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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