ILO Statistics (ILOSTAT) MCP Server

Get ILOSTAT indicator metadata

ilo_get_indicator_metadata

Read-onlyIdempotent

Retrieve metadata for an ILOSTAT dataflow: dimensions in SDMX key order, codelists, time dimension, default selection, and vintage to choose valid filters before calling ilo_get_data.

Instructions

Structure of one ILOSTAT dataflow: dimensions (in SDMX key order), their codelists, the time dimension, the source's default selection and the data vintage (last update at the ILO). Use before ilo_get_data to know which filters exist. Does not return statistical values and does not list the codes themselves (use ilo_list_dimension_values).

Input Schema

TableJSON Schema

Name	Required	Description	Default
`dataflow`	Yes	Dataflow id from ilo_search_indicators (e.g. "DF_UNE_DEAP_SEX_AGE_RT")
`provenance_mode`	No	Provenance verbosity: 'concise' (default — source, url, vintage, retrieval date, citation, license) or 'detailed' (full canonical block with dataset, dimension key and notices)

Output Schema

TableJSON Schema

Name	Required	Description
`id`	Yes
`name`	Yes
`version`	Yes
`dimensions`	Yes
`provenance`	Yes	Provenance block (contract v1.1). concise (default): source, source_url, data_vintage, retrieved_at, retrieval, citation, license; detailed: the full canonical block (dataset, dimension_key, notices, served_from_cache, ...). retrieval is the origin diagnostic of this call — requests made to ILOSTAT, attempts including retries, anomalies overcome (timeout, network, rate_limited, http_5xx, http_4xx, malformed_body) and unstable (true when anything had to be retried: treat the figures as obtained with difficulty); null when nothing was fetched from ILOSTAT (catalogue or cached answer)
`attribution`	Yes
`data_vintage`	Yes
`time_dimension`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedv1.4.1Oct 7, 2026

changedOutput schema / properties / provenance / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
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-      "retrieval": {
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-      "derivation_note": {
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-      "dimension_key": {
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-            "type": [
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-        "type": "string"
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-      "served_from_cache": {
-        "type": [
-          "boolean",
-          "null"
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-      "source": {
-        "additionalProperties": false,
-        "properties": {
-          "agency": {
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-          "database": {
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-          "name": {
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-        "required": [
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-          "agency",
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-          "endpoint"
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-        "type": "object"
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-      "source_url": {
-        "type": "string"
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-    },
-    "required": [
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-      "source",
-      "dataset",
-      "dimension_key",
-      "data_vintage",
-      "retrieved_at",
-      "source_url",
-      "api_version",
-      "license",
-      "citation",
-      "notices",
-      "derived",
-      "derivation_note",
-      "served_from_cache",
-      "retrieval",
-      "field_sources"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "citation": {
+        "type": "string"
+      },
+      "data_vintage": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "field_sources": {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "data_vintage": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "dataset_id": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "fields": {
+              "items": {
+                "type": "string"
+              },
+              "minItems": 1,
+              "type": "array"
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+            "retrieved_at": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "served_from_cache": {
+              "type": [
+                "boolean",
+                "null"
+              ]
+            },
+            "source_url": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "fields",
+            "source_url",
+            "dataset_id",
+            "data_vintage",
+            "retrieved_at"
+          ],
+          "type": "object"
+        },
+        "minItems": 1,
+        "type": "array"
+      },
+      "license": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "retrieval": {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "anomalies": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "count": {
+                      "maximum": 9007199254740991,
+                      "minimum": 1,
+                      "type": "integer"
+                    },
+                    "kind": {
+                      "enum": [
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+                        "network",
+                        "http_4xx",
+                        "http_5xx",
+                        "rate_limited",
+                        "malformed_body"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "kind",
+                    "count"
+                  ],
+                  "type": "object"
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+                "type": "array"
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+              "attempts": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
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+              "requests": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
+              },
+              "unstable": {
+                "type": "boolean"
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+              "attempts",
+              "anomalies",
+              "unstable"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "retrieved_at": {
+        "type": "string"
+      },
+      "source": {
+        "type": "string"
+      },
+      "source_url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "source",
+      "source_url",
+      "data_vintage",
+      "retrieved_at",
+      "retrieval",
+      "citation",
+      "license"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "api_version": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "citation": {
+        "type": "string"
+      },
+      "contract_version": {
+        "enum": [
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+          "1.2"
+        ],
+        "type": "string"
+      },
+      "data_vintage": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "dataset": {
+        "additionalProperties": false,
+        "properties": {
+          "id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "name": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "version": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "version",
+          "name"
+        ],
+        "type": "object"
+      },
+      "derivation_note": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "derived": {
+        "type": "boolean"
+      },
+      "dimension_key": {
+        "anyOf": [
+          {
+            "additionalProperties": {
+              "type": "string"
+            },
+            "propertyNames": {
+              "type": "string"
+            },
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "field_sources": {
+        "anyOf": [
+          {
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "data_vintage": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "dataset_id": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "fields": {
+                  "items": {
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+                  },
+                  "minItems": 1,
+                  "type": "array"
+                },
+                "retrieved_at": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "served_from_cache": {
+                  "type": [
+                    "boolean",
+                    "null"
+                  ]
+                },
+                "source_url": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "fields",
+                "source_url",
+                "dataset_id",
+                "data_vintage",
+                "retrieved_at"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "license": {
+        "additionalProperties": false,
+        "properties": {
+          "id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "name": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "terms_url": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "url": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "verified_at": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "name",
+          "url",
+          "terms_url",
+          "verified_at"
+        ],
+        "type": "object"
+      },
+      "notices": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "retrieval": {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "anomalies": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "count": {
+                      "maximum": 9007199254740991,
+                      "minimum": 1,
+                      "type": "integer"
+                    },
+                    "kind": {
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+                        "http_4xx",
+                        "http_5xx",
+                        "rate_limited",
+                        "malformed_body"
+                      ],
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+                    }
+                  },
+                  "required": [
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+                    "count"
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+                },
+                "type": "array"
+              },
+              "attempts": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
+              },
+              "requests": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
+              },
+              "unstable": {
+                "type": "boolean"
+              }
+            },
+            "required": [
+              "requests",
+              "attempts",
+              "anomalies",
+              "unstable"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "retrieved_at": {
+        "type": "string"
+      },
+      "served_from_cache": {
+        "type": [
+          "boolean",
+          "null"
+        ]
+      },
+      "source": {
+        "additionalProperties": false,
+        "properties": {
+          "agency": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "database": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "endpoint": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "name": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "agency",
+          "database",
+          "endpoint"
+        ],
+        "type": "object"
+      },
+      "source_url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "contract_version",
+      "source",
+      "dataset",
+      "dimension_key",
+      "data_vintage",
+      "retrieved_at",
+      "source_url",
+      "api_version",
+      "license",
+      "citation",
+      "notices",
+      "derived",
+      "derivation_note",
+      "served_from_cache",
+      "retrieval",
+      "field_sources"
+    ],
+    "type": "object"
+  }
+]

Changed2 schema fields changedv1.1.0Sep 27, 2026

addedOutput schema / properties / provenance / anyOf

Added value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "citation": {
+        "type": "string"
+      },
+      "data_vintage": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "license": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "retrieval": {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "anomalies": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "count": {
+                      "maximum": 9007199254740991,
+                      "minimum": 1,
+                      "type": "integer"
+                    },
+                    "kind": {
+                      "enum": [
+                        "timeout",
+                        "network",
+                        "http_4xx",
+                        "http_5xx",
+                        "rate_limited",
+                        "malformed_body"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "kind",
+                    "count"
+                  ],
+                  "type": "object"
+                },
+                "type": "array"
+              },
+              "attempts": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
+              },
+              "requests": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
+              },
+              "unstable": {
+                "type": "boolean"
+              }
+            },
+            "required": [
+              "requests",
+              "attempts",
+              "anomalies",
+              "unstable"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "retrieved_at": {
+        "type": "string"
+      },
+      "source": {
+        "type": "string"
+      },
+      "source_url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "source",
+      "source_url",
+      "data_vintage",
+      "retrieved_at",
+      "retrieval",
+      "citation",
+      "license"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "api_version": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "citation": {
+        "type": "string"
+      },
+      "contract_version": {
+        "const": "1.1",
+        "type": "string"
+      },
+      "data_vintage": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "dataset": {
+        "additionalProperties": false,
+        "properties": {
+          "id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "name": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "version": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "version",
+          "name"
+        ],
+        "type": "object"
+      },
+      "derivation_note": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "derived": {
+        "type": "boolean"
+      },
+      "dimension_key": {
+        "anyOf": [
+          {
+            "additionalProperties": {
+              "type": "string"
+            },
+            "propertyNames": {
+              "type": "string"
+            },
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "field_sources": {
+        "anyOf": [
+          {
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "data_vintage": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "dataset_id": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "fields": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "minItems": 1,
+                  "type": "array"
+                },
+                "retrieved_at": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "source_url": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "fields",
+                "source_url",
+                "dataset_id",
+                "data_vintage",
+                "retrieved_at"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "license": {
+        "additionalProperties": false,
+        "properties": {
+          "id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "name": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "terms_url": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "url": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "verified_at": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "name",
+          "url",
+          "terms_url",
+          "verified_at"
+        ],
+        "type": "object"
+      },
+      "notices": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "retrieval": {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "anomalies": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "count": {
+                      "maximum": 9007199254740991,
+                      "minimum": 1,
+                      "type": "integer"
+                    },
+                    "kind": {
+                      "enum": [
+                        "timeout",
+                        "network",
+                        "http_4xx",
+                        "http_5xx",
+                        "rate_limited",
+                        "malformed_body"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "kind",
+                    "count"
+                  ],
+                  "type": "object"
+                },
+                "type": "array"
+              },
+              "attempts": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
+              },
+              "requests": {
+                "maximum": 9007199254740991,
+                "minimum": 1,
+                "type": "integer"
+              },
+              "unstable": {
+                "type": "boolean"
+              }
+            },
+            "required": [
+              "requests",
+              "attempts",
+              "anomalies",
+              "unstable"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "retrieved_at": {
+        "type": "string"
+      },
+      "served_from_cache": {
+        "type": [
+          "boolean",
+          "null"
+        ]
+      },
+      "source": {
+        "additionalProperties": false,
+        "properties": {
+          "agency": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "database": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "endpoint": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "name": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "agency",
+          "database",
+          "endpoint"
+        ],
+        "type": "object"
+      },
+      "source_url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "contract_version",
+      "source",
+      "dataset",
+      "dimension_key",
+      "data_vintage",
+      "retrieved_at",
+      "source_url",
+      "api_version",
+      "license",
+      "citation",
+      "notices",
+      "derived",
+      "derivation_note",
+      "served_from_cache",
+      "retrieval",
+      "field_sources"
+    ],
+    "type": "object"
+  }
+]

addedOutput schema / properties / provenance / description

Added value: +"Provenance block (contract v1.1). concise (default): source, source_url, data_vintage, retrieved_at, retrieval, citation, license; detailed: the full canonical block (dataset, dimension_key, notices, served_from_cache, ...). retrieval is the origin diagnostic of this call — requests made to ILOSTAT, attempts including retries, anomalies overcome (timeout, network, rate_limited, http_5xx, http_4xx, malformed_body) and unstable (true when anything had to be retried: treat the figures as obtained with difficulty); null when nothing was fetched from ILOSTAT (catalogue or cached answer)"

Changed9 schema fields changedv0.6.0Sep 15, 2026
- addedInput schema / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / data_vintage / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / data_vintage / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / dimensions / items / properties / codelist / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / dimensions / items / properties / codelist / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / name / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / name / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / time_dimension / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / time_dimension / type
```
Added value: +[
+  "string",
+  "null"
+]
```
First observedv0.1.0Aug 19, 2026

TDQS

A4.5/5.0

Behavior4/5

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

Annotations already declare readOnly, idempotent, openWorld, and non-destructive, so safety is covered. The description adds genuinely useful behavior beyond that: it scopes the return to structural metadata, explicitly excludes statistical values and code lists, and surfaces the data vintage/last-update concept. It does not discuss auth or rate limits, but none appear needed here.

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 tight sentences with the payload contents front-loaded, followed by the usage directive and the negative scope. No filler and every clause carries information.

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

Completeness5/5

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 carry the safety profile. Combined with full parameter coverage and explicit sibling routing, an agent has everything required to call this correctly.

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 description coverage is 100%, so both parameters are already documented, including the enum values for provenance_mode and the example dataflow id. The description adds no syntax or format detail beyond the schema, so the baseline 3 is appropriate.

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 resource (one ILOSTAT dataflow) and enumerates its contents: dimensions in SDMX key order, codelists, time dimension, source default selection, and data vintage. It explicitly distinguishes itself from ilo_get_data (values) and ilo_list_dimension_values (codes), so an agent can route without opening any schema.

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

Usage Guidelines5/5

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

It states the trigger directly: 'Use before ilo_get_data to know which filters exist.' It also names the exclusions and redirects them: no statistical values, and codes belong to ilo_list_dimension_values. Both when-to-use and when-not-to-use are covered.

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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