Skip to main content
Glama
Sign In

ThinAir Data

by co.thinair.data
OverviewDiscussionsAdmin

detect_anomalies

Read-onlyIdempotent

Scan a table for unusual patterns: volume drops/spikes, data gaps, value concentration, high null rates, stale data. Severity-ranked alerts. Tables > 100k rows use a sampled path (~5%) — when a finding has sampled:true, surface it to the user with a hedge like 'based on a ~5% sample' rather than presenting the number as exact. Dialect-aware: TABLESAMPLE SYSTEM on postgres, TABLESAMPLE PERCENT on mssql, WHERE RAND() on mysql.

Input Schema

NameRequiredDescriptionDefault
tableYesTable to scan for anomalies
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.
date_columnNoDate column for trend analysis (auto-detected if omitted)

Output Schema

NameRequiredDescriptionDefault
dataNo
metaNo
displayNo
summaryNo
insightsNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed12 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": {
-        "column": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "message": {
-          "type": "string"
-        },
-        "recommendation": {
-          "type": "string"
-        },
-        "severity": {
-          "anyOf": [
-            {
-              "enum": [
-                "info",
-                "low",
-                "medium",
-                "high",
-                "warning",
-                "critical"
-              ],
-              "type": "string"
-            },
-            {
-              "type": "string"
-            }
-          ]
-        },
-        "type": {
-          "type": "string"
-        },
-        "value": {}
-      },
-      "required": [
-        "severity"
-      ],
-      "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": {
+        "column": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "message": {
+          "type": "string"
+        },
+        "recommendation": {
+          "type": "string"
+        },
+        "severity": {
+          "anyOf": [
+            {
+              "enum": [
+                "info",
+                "low",
+                "medium",
+                "high",
+                "warning",
+                "critical"
+              ],
+              "type": "string"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        "type": {
+          "type": "string"
+        },
+        "value": {}
+      },
+      "required": [
+        "severity"
+      ],
+      "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 / rowCount / $ref
      Removed value: -"#/properties/meta/properties/executionTimeMs"
    • 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": {
-        "column": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "message": {
-          "type": "string"
-        },
-        "recommendation": {
-          "type": "string"
-        },
-        "severity": {
-          "anyOf": [
-            {
-              "enum": [
-                "info",
-                "low",
-                "medium",
-                "high",
-                "warning",
-                "critical"
-              ],
-              "type": "string"
-            },
-            {
-              "type": "string"
-            }
-          ]
-        },
-        "type": {
-          "type": "string"
-        },
-        "value": {}
-      },
-      "required": [
-        "severity"
-      ],
-      "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": {
+        "column": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "message": {
+          "type": "string"
+        },
+        "recommendation": {
+          "type": "string"
+        },
+        "severity": {
+          "anyOf": [
+            {
+              "enum": [
+                "info",
+                "low",
+                "medium",
+                "high",
+                "warning",
+                "critical"
+              ],
+              "type": "string"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        "type": {
+          "type": "string"
+        },
+        "value": {}
+      },
+      "required": [
+        "severity"
+      ],
+      "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": {
-        "column": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "message": {
-          "type": "string"
-        },
-        "recommendation": {
-          "type": "string"
-        },
-        "severity": {
-          "anyOf": [
-            {
-              "enum": [
-                "info",
-                "low",
-                "medium",
-                "high",
-                "warning",
-                "critical"
-              ],
-              "type": "string"
-            },
-            {
-              "type": "string"
-            }
-          ]
-        },
-        "type": {
-          "type": "string"
-        },
-        "value": {}
-      },
-      "required": [
-        "severity"
-      ],
-      "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": {
+        "column": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "message": {
+          "type": "string"
+        },
+        "recommendation": {
+          "type": "string"
+        },
+        "severity": {
+          "anyOf": [
+            {
+              "enum": [
+                "info",
+                "low",
+                "medium",
+                "high",
+                "warning",
+                "critical"
+              ],
+              "type": "string"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        "type": {
+          "type": "string"
+        },
+        "value": {}
+      },
+      "required": [
+        "severity"
+      ],
+      "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. Changed1 schema field changed
    • changedOutput schema / properties / data / anyOf
      Previous value: -[
-  {
-    "items": {
-      "additionalProperties": true,
-      "properties": {
-        "column": {
-          "type": "string"
-        },
-        "message": {
-          "type": "string"
-        },
-        "recommendation": {
-          "type": "string"
-        },
-        "severity": {
-          "anyOf": [
-            {
-              "enum": [
-                "info",
-                "low",
-                "medium",
-                "high",
-                "warning",
-                "critical"
-              ],
-              "type": "string"
-            },
-            {
-              "type": "string"
-            }
-          ]
-        },
-        "type": {
-          "type": "string"
-        },
-        "value": {}
-      },
-      "required": [
-        "severity"
-      ],
-      "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": {
+        "column": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "message": {
+          "type": "string"
+        },
+        "recommendation": {
+          "type": "string"
+        },
+        "severity": {
+          "anyOf": [
+            {
+              "enum": [
+                "info",
+                "low",
+                "medium",
+                "high",
+                "warning",
+                "critical"
+              ],
+              "type": "string"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        "type": {
+          "type": "string"
+        },
+        "value": {}
+      },
+      "required": [
+        "severity"
+      ],
+      "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"
+  }
+]
  5. Changed3 schema fields changed
    • addedInput schema / properties / connection / maxLength
      Added value: +256
    • addedInput schema / properties / date_column / maxLength
      Added value: +256
    • addedInput schema / properties / table / maxLength
      Added value: +256
  6. 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"
+  }
+]
  7. 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": {
+              "column": {
+                "type": "string"
+              },
+              "message": {
+                "type": "string"
+              },
+              "recommendation": {
+                "type": "string"
+              },
+              "severity": {
+                "anyOf": [
+                  {
+                    "enum": [
+                      "info",
+                      "low",
+                      "medium",
+                      "high",
+                      "warning",
+                      "critical"
+                    ],
+                    "type": "string"
+                  },
+                  {
+                    "type": "string"
+                  }
+                ]
+              },
+              "type": {
+                "type": "string"
+              },
+              "value": {}
+            },
+            "required": [
+              "severity"
+            ],
+            "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": {
+          "type": [
+            "number",
+            "string"
+          ]
+        },
+        "plan": {},
+        "rowCount": {
+          "$ref": "#/properties/meta/properties/executionTimeMs"
+        },
+        "tool": {
+          "type": "string"
+        },
+        "truncated": {
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "summary": {
+      "type": "string"
+    }
+  },
+  "type": "object"
+}
  8. First observed

TDQS

A3.9/5.0
Behavior5/5

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

Goes well beyond the readOnly/idempotent/openWorld annotations: it discloses the sampling threshold (>100k rows), the sampling rate (~5%), the `sampled:true` output flag, and a required hedge in the user-facing phrasing. It also explains that the scan is dialect-aware with different sampling mechanisms per engine, which tells the agent the behavior is not identical across connections. Nothing here contradicts the annotations.

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?

Purpose is front-loaded, then the sampling caveat, then dialect detail – a sensible ordering with no filler sentences. The final clause naming TABLESAMPLE SYSTEM/PERCENT/ROW() is implementation detail the agent rarely needs to act on, which slightly dilutes an otherwise tight description.

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?

An output schema exists, so return values need not be explained, and the description supplies what the schema cannot: the sampled-result interpretation rule that spans parameters and output. Missing is any sense of cost/latency or what happens on non-existent or inaccessible tables, which matters for a openWorldHint scan tool.

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 all three parameters (table, connection, date_column) are already documented in structured form, including the connection-resolution procedure. The description adds no parameter-level meaning – it never mentions date_column or how the connection choice affects sampling behavior. Baseline 3 applies since the schema carries the load.

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?

Uses a concrete verb (scan) and resource (table) and enumerates the finding classes it produces: volume drops/spikes, gaps, value concentration, null rates, stale data. That is much more specific than a generic 'analyze'. It does not name a sibling such as data_profile or analyze_table to mark the boundary, so an agent must infer the split from the phrase 'unusual patterns'.

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?

Usage is implied by the outcome list – it is the tool you reach for when you want anomaly alerts rather than a full profile. There is no explicit when-to-use / when-not-to-use statement and no routing against the many nearby siblings (data_profile, analyze_table, watch_table, query_history). The only real instructions given are about how to report results, not when to select the tool.

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

All ThinAir Data toolsInspect
Try in Browser
One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Glama MCP Gateway

Add one secure layer between your agents and this server.

Resources