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ThinAir Data

by co.thinair.data
OverviewDiscussionsAdmin

saved_queries

Destructive

Personal, named library of reusable SELECT queries — save once, run by name later, instead of re-pasting SQL or scanning query_history's backward-looking log. action=save stores sql under name (fails with name_exists if taken — delete first to replace). action=run executes the stored SQL through the same read-only guard and firewall as query_sql and returns up to 100 rows. action=list returns saved queries (up to 100), optionally filtered by tag. action=delete removes one by name or id. save/run/delete write to tenant storage; list is read-only. All four actions count against daily quota. Returns the saved record, a result table (run), the query list, or a delete confirmation. [BUILD tier]

Input Schema

NameRequiredDescriptionDefault
idNoQuery ID (alternative to name for run/delete)
sqlNoSQL to store (required for action=save)
tagNoFilter by tag (action=list)
nameNoQuery name (save/run/delete)
tagsNoTags (action=save)
actionYessave | run | list | delete
connectionNoTarget connection name from this tenant's inventory. Call `list_connections` to see every name + dialect, then match semantically to the user's intent (e.g. 'analytics' → a connection named `*-analytics-*`; 'prod' → a connection with `prod-` prefix). If the user didn't specify, use the tenant's default (first added). Do not invent names — resolve from `list_connections` output.
descriptionNoFreeform description (action=save)

Output Schema

NameRequiredDescriptionDefault
dataNo
metaNo
displayNo
summaryNo
insightsNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed14 schema fields changed
    • removedInput schema / additionalProperties
      Removed value: -false
    • changedOutput schema / additionalProperties
      Previous value: -trueNew value: +{}
    • changedOutput schema / properties / data / anyOf
      Previous value: -[
-  {
-    "items": {
-      "additionalProperties": true,
-      "properties": {
-        "created": {
-          "type": "string"
-        },
-        "description": {
-          "type": "string"
-        },
-        "name": {
-          "type": "string"
-        },
-        "runs": {
-          "type": [
-            "number",
-            "string"
-          ]
-        },
-        "tags": {
-          "type": "string"
-        }
-      },
-      "required": [
-        "name"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "id": {
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "id",
-      "name"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "deleted": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "deleted"
-    ],
-    "type": "object"
-  },
-  {
-    "items": {
-      "additionalProperties": {},
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "code": {
-        "type": "string"
-      },
-      "details": {
-        "additionalProperties": {},
-        "type": "object"
-      },
-      "error": {
-        "type": "string"
-      },
-      "internal_code": {
-        "type": "string"
-      },
-      "message": {
-        "type": "string"
-      },
-      "retry_after_s": {
-        "type": "number"
-      },
-      "retryable": {
-        "type": "boolean"
-      }
-    },
-    "required": [
-      "error"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "items": {
+      "additionalProperties": {},
+      "properties": {
+        "created": {
+          "type": "string"
+        },
+        "description": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "runs": {
+          "type": [
+            "number",
+            "string"
+          ]
+        },
+        "tags": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "type": "object"
+    },
+    "type": "array"
+  },
+  {
+    "additionalProperties": {},
+    "properties": {
+      "id": {
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "id",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": {},
+    "properties": {
+      "deleted": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "deleted"
+    ],
+    "type": "object"
+  },
+  {
+    "items": {
+      "additionalProperties": {},
+      "propertyNames": {
+        "type": "string"
+      },
+      "type": "object"
+    },
+    "type": "array"
+  },
+  {
+    "additionalProperties": {},
+    "properties": {
+      "code": {
+        "type": "string"
+      },
+      "details": {
+        "additionalProperties": {},
+        "propertyNames": {
+          "type": "string"
+        },
+        "type": "object"
+      },
+      "error": {
+        "type": "string"
+      },
+      "internal_code": {
+        "type": "string"
+      },
+      "message": {
+        "type": "string"
+      },
+      "retry_after_s": {
+        "type": "number"
+      },
+      "retryable": {
+        "type": "boolean"
+      }
+    },
+    "required": [
+      "error"
+    ],
+    "type": "object"
+  }
+]
    • changedOutput schema / properties / display / additionalProperties
      Previous value: -trueNew value: +{}
    • changedOutput schema / properties / display / properties / chart / additionalProperties
      Previous value: -trueNew value: +{}
    • changedOutput schema / properties / display / properties / code / additionalProperties
      Previous value: -trueNew value: +{}
    • changedOutput schema / properties / display / properties / map / additionalProperties
      Previous value: -trueNew value: +{}
    • changedOutput schema / properties / display / properties / metric / additionalProperties
      Previous value: -trueNew value: +{}
    • changedOutput schema / properties / insights / items / additionalProperties
      Previous value: -trueNew value: +{}
    • changedOutput schema / properties / meta / additionalProperties
      Previous value: -trueNew value: +{}
    • removedOutput schema / properties / meta / properties / executionTimeMs / $ref
      Removed value: -"#/properties/data/anyOf/0/items/properties/runs"
    • addedOutput schema / properties / meta / properties / executionTimeMs / type
      Added value: +[
+  "number",
+  "string"
+]
    • removedOutput schema / properties / meta / properties / rowCount / $ref
      Removed value: -"#/properties/data/anyOf/0/items/properties/runs"
    • addedOutput schema / properties / meta / properties / rowCount / type
      Added value: +[
+  "number",
+  "string"
+]
  2. Changed4 schema fields changed
    • changedOutput schema / properties / data / anyOf
      Previous value: -[
-  {
-    "items": {
-      "additionalProperties": true,
-      "properties": {
-        "created": {
-          "type": "string"
-        },
-        "description": {
-          "type": "string"
-        },
-        "name": {
-          "type": "string"
-        },
-        "runs": {
-          "type": [
-            "number",
-            "string"
-          ]
-        },
-        "tags": {
-          "type": "string"
-        }
-      },
-      "required": [
-        "name"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "id": {
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "id",
-      "name"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "deleted": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "deleted"
-    ],
-    "type": "object"
-  },
-  {
-    "items": {
-      "additionalProperties": {},
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "code": {
-        "type": "string"
-      },
-      "details": {
-        "additionalProperties": {},
-        "type": "object"
-      },
-      "error": {
-        "type": "string"
-      },
-      "internal_code": {
-        "type": "string"
-      },
-      "message": {
-        "type": "string"
-      },
-      "retry_after_s": {
-        "type": "number"
-      }
-    },
-    "required": [
-      "error"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "items": {
+      "additionalProperties": true,
+      "properties": {
+        "created": {
+          "type": "string"
+        },
+        "description": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "runs": {
+          "type": [
+            "number",
+            "string"
+          ]
+        },
+        "tags": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "type": "object"
+    },
+    "type": "array"
+  },
+  {
+    "additionalProperties": true,
+    "properties": {
+      "id": {
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "id",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": true,
+    "properties": {
+      "deleted": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "deleted"
+    ],
+    "type": "object"
+  },
+  {
+    "items": {
+      "additionalProperties": {},
+      "type": "object"
+    },
+    "type": "array"
+  },
+  {
+    "additionalProperties": true,
+    "properties": {
+      "code": {
+        "type": "string"
+      },
+      "details": {
+        "additionalProperties": {},
+        "type": "object"
+      },
+      "error": {
+        "type": "string"
+      },
+      "internal_code": {
+        "type": "string"
+      },
+      "message": {
+        "type": "string"
+      },
+      "retry_after_s": {
+        "type": "number"
+      },
+      "retryable": {
+        "type": "boolean"
+      }
+    },
+    "required": [
+      "error"
+    ],
+    "type": "object"
+  }
+]
    • addedOutput schema / properties / meta / properties / maskedCells
      Added value: +{
+  "type": "number"
+}
    • addedOutput schema / properties / meta / properties / maskedColumns
      Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}
    • addedOutput schema / properties / meta / properties / rowCapReached
      Added value: +{
+  "type": "boolean"
+}
  3. Changed1 schema field changed
    • changedOutput schema / properties / data / anyOf
      Previous value: -[
-  {
-    "items": {
-      "additionalProperties": true,
-      "properties": {
-        "created": {
-          "type": "string"
-        },
-        "description": {
-          "type": "string"
-        },
-        "name": {
-          "type": "string"
-        },
-        "runs": {
-          "type": [
-            "number",
-            "string"
-          ]
-        },
-        "tags": {
-          "type": "string"
-        }
-      },
-      "required": [
-        "name"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "id": {
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "id",
-      "name"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "deleted": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "deleted"
-    ],
-    "type": "object"
-  },
-  {
-    "items": {
-      "additionalProperties": {},
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "additionalProperties": true,
-    "properties": {
-      "code": {
-        "type": "string"
-      },
-      "details": {
-        "additionalProperties": {},
-        "type": "object"
-      },
-      "error": {
-        "type": "string"
-      },
-      "internal_code": {
-        "type": "string"
-      },
-      "message": {
-        "type": "string"
-      },
-      "retry_after_s": {
-        "type": "number"
-      }
-    },
-    "type": "object"
-  }
-]New value: +[
+  {
+    "items": {
+      "additionalProperties": true,
+      "properties": {
+        "created": {
+          "type": "string"
+        },
+        "description": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "runs": {
+          "type": [
+            "number",
+            "string"
+          ]
+        },
+        "tags": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "type": "object"
+    },
+    "type": "array"
+  },
+  {
+    "additionalProperties": true,
+    "properties": {
+      "id": {
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "id",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": true,
+    "properties": {
+      "deleted": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "deleted"
+    ],
+    "type": "object"
+  },
+  {
+    "items": {
+      "additionalProperties": {},
+      "type": "object"
+    },
+    "type": "array"
+  },
+  {
+    "additionalProperties": true,
+    "properties": {
+      "code": {
+        "type": "string"
+      },
+      "details": {
+        "additionalProperties": {},
+        "type": "object"
+      },
+      "error": {
+        "type": "string"
+      },
+      "internal_code": {
+        "type": "string"
+      },
+      "message": {
+        "type": "string"
+      },
+      "retry_after_s": {
+        "type": "number"
+      }
+    },
+    "required": [
+      "error"
+    ],
+    "type": "object"
+  }
+]
  4. Changed8 schema fields changed
    • addedInput schema / properties / connection / maxLength
      Added value: +256
    • addedInput schema / properties / description / maxLength
      Added value: +1000
    • addedInput schema / properties / id / maxLength
      Added value: +256
    • addedInput schema / properties / name / maxLength
      Added value: +256
    • addedInput schema / properties / sql / maxLength
      Added value: +50000
    • addedInput schema / properties / tag / maxLength
      Added value: +256
    • addedInput schema / properties / tags / items / maxLength
      Added value: +256
    • addedInput schema / properties / tags / maxItems
      Added value: +20
  5. Changed2 schema fields changed
    • addedOutput schema / properties / display / properties / map
      Added value: +{
+  "additionalProperties": true,
+  "properties": {
+    "label": {
+      "type": "string"
+    },
+    "lat": {
+      "type": "string"
+    },
+    "lon": {
+      "type": "string"
+    },
+    "title": {
+      "type": "string"
+    }
+  },
+  "type": "object"
+}
    • changedOutput schema / properties / display / properties / type / anyOf
      Previous value: -[
-  {
-    "enum": [
-      "table",
-      "chart",
-      "metric",
-      "code",
-      "text",
-      "list"
-    ],
-    "type": "string"
-  },
-  {
-    "type": "string"
-  }
-]New value: +[
+  {
+    "enum": [
+      "table",
+      "chart",
+      "metric",
+      "code",
+      "text",
+      "list",
+      "map"
+    ],
+    "type": "string"
+  },
+  {
+    "type": "string"
+  }
+]
  6. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": true,
+  "properties": {
+    "data": {
+      "anyOf": [
+        {
+          "items": {
+            "additionalProperties": true,
+            "properties": {
+              "created": {
+                "type": "string"
+              },
+              "description": {
+                "type": "string"
+              },
+              "name": {
+                "type": "string"
+              },
+              "runs": {
+                "type": [
+                  "number",
+                  "string"
+                ]
+              },
+              "tags": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "name"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        {
+          "additionalProperties": true,
+          "properties": {
+            "id": {
+              "type": "string"
+            },
+            "name": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "id",
+            "name"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": true,
+          "properties": {
+            "deleted": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "deleted"
+          ],
+          "type": "object"
+        },
+        {
+          "items": {
+            "additionalProperties": {},
+            "type": "object"
+          },
+          "type": "array"
+        },
+        {
+          "additionalProperties": true,
+          "properties": {
+            "code": {
+              "type": "string"
+            },
+            "details": {
+              "additionalProperties": {},
+              "type": "object"
+            },
+            "error": {
+              "type": "string"
+            },
+            "internal_code": {
+              "type": "string"
+            },
+            "message": {
+              "type": "string"
+            },
+            "retry_after_s": {
+              "type": "number"
+            }
+          },
+          "type": "object"
+        }
+      ]
+    },
+    "display": {
+      "additionalProperties": true,
+      "properties": {
+        "chart": {
+          "additionalProperties": true,
+          "properties": {
+            "chartType": {
+              "type": "string"
+            },
+            "color": {
+              "type": "string"
+            },
+            "title": {
+              "type": "string"
+            },
+            "x": {
+              "type": "string"
+            },
+            "xLabel": {
+              "type": "string"
+            },
+            "y": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                }
+              ]
+            },
+            "yLabel": {
+              "type": "string"
+            }
+          },
+          "type": "object"
+        },
+        "code": {
+          "additionalProperties": true,
+          "properties": {
+            "executable": {
+              "type": "boolean"
+            },
+            "language": {
+              "anyOf": [
+                {
+                  "enum": [
+                    "sql",
+                    "json",
+                    "bash",
+                    "typescript"
+                  ],
+                  "type": "string"
+                },
+                {
+                  "type": "string"
+                }
+              ]
+            },
+            "title": {
+              "type": "string"
+            }
+          },
+          "type": "object"
+        },
+        "metric": {
+          "additionalProperties": true,
+          "properties": {
+            "label": {
+              "type": "string"
+            },
+            "status": {
+              "anyOf": [
+                {
+                  "enum": [
+                    "good",
+                    "warning",
+                    "critical"
+                  ],
+                  "type": "string"
+                },
+                {
+                  "type": "string"
+                }
+              ]
+            },
+            "trend": {
+              "anyOf": [
+                {
+                  "enum": [
+                    "up",
+                    "down",
+                    "neutral"
+                  ],
+                  "type": "string"
+                },
+                {
+                  "type": "string"
+                }
+              ]
+            },
+            "trendValue": {
+              "type": "string"
+            },
+            "unit": {
+              "type": "string"
+            },
+            "value": {
+              "type": [
+                "string",
+                "number"
+              ]
+            }
+          },
+          "type": "object"
+        },
+        "type": {
+          "anyOf": [
+            {
+              "enum": [
+                "table",
+                "chart",
+                "metric",
+                "code",
+                "text",
+                "list"
+              ],
+              "type": "string"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        }
+      },
+      "type": "object"
+    },
+    "insights": {
+      "items": {
+        "additionalProperties": true,
+        "properties": {
+          "column": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          },
+          "severity": {
+            "anyOf": [
+              {
+                "enum": [
+                  "info",
+                  "warning",
+                  "critical"
+                ],
+                "type": "string"
+              },
+              {
+                "type": "string"
+              }
+            ]
+          },
+          "value": {}
+        },
+        "required": [
+          "severity",
+          "message"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "meta": {
+      "additionalProperties": true,
+      "properties": {
+        "cacheHit": {
+          "type": "boolean"
+        },
+        "connection": {
+          "type": "string"
+        },
+        "dialect": {
+          "anyOf": [
+            {
+              "enum": [
+                "postgres",
+                "mysql",
+                "mssql"
+              ],
+              "type": "string"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        "executionTimeMs": {
+          "$ref": "#/properties/data/anyOf/0/items/properties/runs"
+        },
+        "plan": {},
+        "rowCount": {
+          "$ref": "#/properties/data/anyOf/0/items/properties/runs"
+        },
+        "tool": {
+          "type": "string"
+        },
+        "truncated": {
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "summary": {
+      "type": "string"
+    }
+  },
+  "type": "object"
+}
  7. First observed

TDQS

A4.8/5.0
Behavior5/5

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

Goes well beyond annotations by disclosing the name_exists failure mode, the read-only guard and firewall reuse for action=run, the 100-row and 100-query caps, the fact that save/run/delete write to tenant storage while list is read-only, and that all actions consume daily quota. These are operationally significant facts an agent could not infer from readOnlyHint/destructiveHint alone, and they are consistent with destructiveHint=true.

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

Conciseness4/5

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

Front-loaded with the core identity and tightly packed action-by-action phrasing. Minor waste: the trailing return-value sentence duplicates what the output schema already conveys, and the '[BUILD tier]' marker is meta clutter rather than tool semantics.

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?

For a four-action, eight-parameter, destructive tool, the description covers the quota, storage side effects, failure mode, and execution guardrails; return values are covered by the output schema and echoed here. Nothing an agent needs to invoke it correctly is missing.

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 coverage is 100% and the schema already documents each param, so the description's added value is limited. It does add cross-parameter semantics the schema only hints at: id as an alternative to name for run/delete, and sql being required specifically for action=save. A modest bump over the 3 baseline, not a full 5.

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?

Opening clause states a specific resource and value proposition ('Personal, named library of reusable SELECT queries — save once, run by name later'), and it explicitly contrasts with siblings query_sql and query_history's log. An agent can distinguish this from every other query-related tool without opening a 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?

Every action carries an explicit condition: save stores sql under name, run executes stored SQL, list returns saved queries with optional tag filter, delete removes by name or id. It also names the alternative path ('instead of re-pasting SQL or scanning query_history') and the replacement prerequisite ('delete first to replace').

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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