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Analyze Disposables

analyze-disposables
Read-onlyIdempotent

Flags local IDisposable or IAsyncDisposable declarations missing a recognized disposal pattern, helping you review resource handling and verify ownership and control flow before acting.

Instructions

Heuristically flags local declarations of IDisposable or IAsyncDisposable values that lack a recognised disposal pattern. Use this for advisory resource-handling review; verify ownership transfers and control flow before acting. Using declarations are skipped, and supported direct or finally-block Dispose/DisposeAsync calls are recognised. Analysis is limited to local declarations and recognised patterns; use get-diagnostics for configured compiler and analyser rules. Searches the selected scope, or the loaded solution when scope is omitted. Returns up to 50 findings by default; check findings.hasMore.

Input Schema

NameRequiredDescriptionDefault
scopeNoThe optional search scope.
workspaceNoProvide workspaceId, alias, path, or any combination.
findingsLimitNoMaximum number of results to return.

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed10 schema fields changedv1.0.5
    • addedInput schema / $defs
      Added value: +{
      +  "project": {
      +    "properties": {
      +      "name": {
      +        "type": "string"
      +      },
      +      "path": {
      +        "description": "Workspace-relative path.",
      +        "type": "string"
      +      },
      +      "projectId": {
      +        "type": "string"
      +      },
      +      "targetFramework": {
      +        "type": "string"
      +      }
      +    },
      +    "type": [
      +      "object",
      +      "null"
      +    ]
      +  }
      +}
    • addedInput schema / properties / scope / properties / document / properties / project / $ref
      Added value: +"#/$defs/project"
    • removedInput schema / properties / scope / properties / document / properties / project / properties
      Removed value: -{
      -  "name": {
      -    "type": "string"
      -  },
      -  "path": {
      -    "description": "Workspace-relative path.",
      -    "type": "string"
      -  },
      -  "projectId": {
      -    "type": "string"
      -  },
      -  "targetFramework": {
      -    "type": "string"
      -  }
      -}
    • removedInput schema / properties / scope / properties / document / properties / project / type
      Removed value: -[
      -  "object",
      -  "null"
      -]
    • addedInput schema / properties / scope / properties / project / $ref
      Added value: +"#/$defs/project"
    • removedInput schema / properties / scope / properties / project / properties
      Removed value: -{
      -  "name": {
      -    "type": "string"
      -  },
      -  "path": {
      -    "description": "Workspace-relative path.",
      -    "type": "string"
      -  },
      -  "projectId": {
      -    "type": "string"
      -  },
      -  "targetFramework": {
      -    "type": "string"
      -  }
      -}
    • removedInput schema / properties / scope / properties / project / type
      Removed value: -[
      -  "object",
      -  "null"
      -]
    • addedInput schema / properties / scope / properties / projects / items / $ref
      Added value: +"#/$defs/project"
    • removedInput schema / properties / scope / properties / projects / items / properties
      Removed value: -{
      -  "name": {
      -    "type": "string"
      -  },
      -  "path": {
      -    "description": "Workspace-relative path.",
      -    "type": "string"
      -  },
      -  "projectId": {
      -    "type": "string"
      -  },
      -  "targetFramework": {
      -    "type": "string"
      -  }
      -}
    • removedInput schema / properties / scope / properties / projects / items / type
      Removed value: -[
      -  "object",
      -  "null"
      -]
  2. Changed1 schema field changedv1.0.4
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$defs": {
      +    "warningInfo": {
      +      "properties": {
      +        "code": {
      +          "description": "The stable machine-readable warning code.",
      +          "type": "string"
      +        },
      +        "message": {
      +          "description": "The human-readable warning message.",
      +          "type": "string"
      +        }
      +      },
      +      "required": [
      +        "code",
      +        "message"
      +      ],
      +      "type": "object"
      +    }
      +  },
      +  "oneOf": [
      +    {
      +      "properties": {
      +        "data": {
      +          "description": "Tool-specific result payload.",
      +          "properties": {
      +            "findings": {
      +              "description": "The returned findings.",
      +              "properties": {
      +                "hasMore": {
      +                  "description": "Whether additional items were available beyond this page.",
      +                  "type": "boolean"
      +                },
      +                "items": {
      +                  "description": "Items returned in this page.",
      +                  "items": {
      +                    "properties": {
      +                      "kind": {
      +                        "description": "The finding kind.",
      +                        "type": "string"
      +                      },
      +                      "location": {
      +                        "description": "The finding location.",
      +                        "properties": {
      +                          "column": {
      +                            "description": "The one-based column number.",
      +                            "type": "integer"
      +                          },
      +                          "document": {
      +                            "$ref": "#/properties/request/properties/value/properties/findings/properties/items/items/properties/symbol/properties/location/properties/document",
      +                            "description": "The resolved document."
      +                          },
      +                          "line": {
      +                            "description": "The one-based line number.",
      +                            "type": "integer"
      +                          },
      +                          "selector": {
      +                            "$ref": "#/properties/request/properties/value/properties/findings/properties/items/items/properties/symbol/properties/location/properties/selector",
      +                            "description": "The canonical selector that can resolve this source location again."
      +                          },
      +                          "snapshot": {
      +                            "$ref": "#/properties/request/properties/value/properties/findings/properties/items/items/properties/symbol/properties/location/properties/snapshot",
      +                            "description": "The exact immutable workspace snapshot associated with this location."
      +                          },
      +                          "span": {
      +                            "$ref": "#/properties/request/properties/value/properties/findings/properties/items/items/properties/symbol/properties/location/properties/span",
      +                            "description": "The resolved text span."
      +                          }
      +                        },
      +                        "required": [
      +                          "snapshot"
      +                        ],
      +                        "type": [
      +                          "object",
      +                          "null"
      +                        ]
      +                      },
      +                      "message": {
      +                        "description": "The finding message.",
      +                        "type": "string"
      +                      },
      +                      "symbol": {
      +                        "description": "The associated local symbol.",
      +                        "properties": {
      +                          "displayName": {
      +                            "description": "The display name of the symbol.",
      +                            "type": "string"
      +                          },
      +                          "documentationCommentId": {
      +                            "description": "The documentation comment identifier, when available.",
      +                            "type": [
      +                              "string",
      +                              "null"
      +                            ]
      +                          },
      +                          "kind": {
      +                            "description": "The symbol kind.",
      +                            "type": "string"
      +                          },
      +                          "location": {
      +                            "description": "The optional source location of the symbol.",
      +                            "properties": {
      +                              "column": {
      +                                "description": "The one-based column number.",
      +                                "type": "integer"
      +                              },
      +                              "document": {
      +                                "description": "The resolved document.",
      +                                "properties": {
      +                                  "documentId": {
      +                                    "description": "The document identifier.",
      +                                    "type": "string"
      +                                  },
      +                                  "path": {
      +                                    "description": "The normalized document path.",
      +                                    "type": "string"
      +                                  },
      +                                  "projectId": {
      +                                    "description": "The owning project identifier.",
      +                                    "type": "string"
      +                                  }
      +                                },
      +                                "required": [
      +                                  "documentId",
      +                                  "path",
      +                                  "projectId"
      +                                ],
      +                                "type": [
      +                                  "object",
      +                                  "null"
      +                                ]
      +                              },
      +                              "line": {
      +                                "description": "The one-based line number.",
      +                                "type": "integer"
      +                              },
      +                              "selector": {
      +                                "description": "The canonical selector that can resolve this source location again.",
      +                                "properties": {
      +                                  "span": {
      +                                    "properties": {
      +                                      "document": {
      +                                        "description": "Provide exactly one of path or documentId.",
      +                                        "properties": {
      +                                          "documentId": {
      +                                            "description": "Workspace-local document ID.",
      +                                            "type": [
      +                                              "string",
      +                                              "null"
      +                                            ]
      +                                          },
      +                                          "path": {
      +                                            "description": "Workspace-relative path.",
      +                                            "type": [
      +                                              "string",
      +                                              "null"
      +                                            ]
      +                                          },
      +                                          "project": {
      +                                            "description": "Disambiguates documents with matching paths or IDs.",
      +                                            "properties": {
      +                                              "name": {
      +                                                "type": [
      +                                                  "string",
      +                                                  "null"
      +                                                ]
      +                                              },
      +                                              "path": {
      +                                                "description": "Workspace-relative path.",
      +                                                "type": [
      +                                                  "string",
      +                                                  "null"
      +                                                ]
      +                                              },
      +                                              "projectId": {
      +                                                "type": [
      +                                                  "string",
      +                                                  "null"
      +                                                ]
      +                                              },
      +                                              "targetFramework": {
      +                                                "type": [
      +                                                  "string",
      +                                                  "null"
      +                                                ]
      +                                              }
      +                                            },
      +                                            "type": [
      +                                              "object",
      +                                              "null"
      +                                            ]
      +                                          }
      +                                        },
      +                                        "type": "object"
      +                                      },
      +                                      "range": {
      +                                        "description": "Zero-based UTF-16 range.",
      +                                        "properties": {
      +                                          "length": {
      +                                            "description": "UTF-16 code-unit length.",
      +                                            "maximum": 2147483647,
      +                                            "minimum": 0,
      +                                            "type": "integer"
      +                                          },
      +                                          "start": {
      +                                            "description": "Zero-based UTF-16 offset.",
      +                                            "maximum": 2147483647,
      +                                            "minimum": 0,
      +                                            "type": "integer"
      +                                          }
      +                                        },
      +                                        "type": "object"
      +                                      }
      +                                    },
      +                                    "required": [
      +                                      "document",
      +                                      "range"
      +                                    ],
      +                                    "type": "object"
      +                                  }
      +                                },
      +                                "required": [
      +                                  "span"
      +                                ],
      +                                "type": [
      +                                  "object",
      +                                  "null"
      +                                ]
      +                              },
      +                              "snapshot": {
      +                                "description": "The exact immutable workspace snapshot associated with this location.",
      +                                "properties": {
      +                                  "snapshotId": {
      +                                    "format": "uuid",
      +                                    "type": "string"
      +                                  },
      +                                  "transactionRevision": {
      +                                    "type": [
      +                                      "integer",
      +                                      "null"
      +                                    ]
      +                                  },
      +                                  "workspaceEpoch": {
      +                                    "type": "integer"
      +                                  },
      +                                  "workspaceId": {
      +                                    "format": "uuid",
      +                                    "type": "string"
      +                                  }
      +                                },
      +                                "required": [
      +                                  "workspaceId",
      +                                  "workspaceEpoch",
      +                                  "snapshotId",
      +                                  "transactionRevision"
      +                                ],
      +                                "type": "object"
      +                              },
      +                              "span": {
      +                                "description": "The resolved text span.",
      +                                "properties": {
      +                                  "length": {
      +                                    "description": "UTF-16 code-unit length.",
      +                                    "maximum": 2147483647,
      +                                    "minimum": 0,
      +                                    "type": "integer"
      +                                  },
      +                                  "start": {
      +                                    "description": "Zero-based UTF-16 offset.",
      +                                    "maximum": 2147483647,
      +                                    "minimum": 0,
      +                                    "type": "integer"
      +                                  }
      +                                },
      +                                "type": [
      +                                  "object",
      +                                  "null"
      +                                ]
      +                              }
      +                            },
      +                            "required": [
      +                              "snapshot"
      +                            ],
      +                            "type": [
      +                              "object",
      +                              "null"
      +                            ]
      +                          }
      +                        },
      +                        "required": [
      +                          "displayName",
      +                          "kind"
      +                        ],
      +                        "type": [
      +                          "object",
      +                          "null"
      +                        ]
      +                      },
      +                      "type": {
      +                        "description": "The disposable type.",
      +                        "properties": {
      +                          "displayName": {
      +                            "description": "The display name.",
      +                            "type": "string"
      +                          },
      +                          "documentationCommentId": {
      +                            "description": "The documentation-comment identifier, when available.",
      +                            "type": [
      +                              "string",
      +                              "null"
      +                            ]
      +                          },
      +                          "kind": {
      +                            "description": "The Roslyn type kind.",
      +                            "type": "string"
      +                          },
      +                          "nullableAnnotation": {
      +                            "description": "The nullable annotation.",
      +                            "type": [
      +                              "string",
      +                              "null"
      +                            ]
      +                          }
      +                        },
      +                        "required": [
      +                          "displayName",
      +                          "kind"
      +                        ],
      +                        "type": [
      +                          "object",
      +                          "null"
      +                        ]
      +                      }
      +                    },
      +                    "required": [
      +                      "kind",
      +                      "message"
      +                    ],
      +                    "type": "object"
      +                  },
      +                  "type": [
      +                    "array",
      +                    "null"
      +                  ]
      +                },
      +                "totalCount": {
      +                  "description": "Complete result count, when available without additional expensive work.",
      +                  "type": [
      +                    "integer",
      +                    "null"
      +                  ]
      +                }
      +              },
      +              "type": "object"
      +            }
      +          },
      +          "type": [
      +            "object",
      +            "null"
      +          ]
      +        },
      +        "ok": {
      +          "const": true,
      +          "description": "Whether the tool invocation succeeded."
      +        },
      +        "snapshot": {
      +          "description": "Exact immutable workspace snapshot associated with the result, when available.",
      +          "properties": {
      +            "snapshotId": {
      +              "format": "uuid",
      +              "type": "string"
      +            },
      +            "transactionRevision": {
      +              "type": [
      +                "integer",
      +                "null"
      +              ]
      +            },
      +            "workspaceEpoch": {
      +              "type": "integer"
      +            },
      +            "workspaceId": {
      +              "format": "uuid",
      +              "type": "string"
      +            }
      +          },
      +          "required": [
      +            "workspaceId",
      +            "workspaceEpoch",
      +            "snapshotId",
      +            "transactionRevision"
      +          ],
      +          "type": "object"
      +        },
      +        "warnings": {
      +          "description": "Non-fatal warnings the agent should consider.",
      +          "items": {
      +            "$ref": "#/$defs/warningInfo"
      +          },
      +          "type": "array"
      +        }
      +      },
      +      "required": [
      +        "ok",
      +        "data",
      +        "snapshot"
      +      ],
      +      "type": "object"
      +    },
      +    {
      +      "properties": {
      +        "continuation": {
      +          "description": "Action the agent should take before retrying or continuing.",
      +          "oneOf": [
      +            {
      +              "additionalProperties": false,
      +              "properties": {
      +                "instruction": {
      +                  "description": "Agent-facing instruction explaining how to continue.",
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "kind": {
      +                  "const": "CallTool",
      +                  "description": "Action required before the original request can continue."
      +                },
      +                "tool": {
      +                  "description": "Tool to call before continuing the original request.",
      +                  "minLength": 1,
      +                  "type": "string"
      +                }
      +              },
      +              "required": [
      +                "kind",
      +                "tool",
      +                "instruction"
      +              ],
      +              "type": "object"
      +            },
      +            {
      +              "additionalProperties": false,
      +              "properties": {
      +                "instruction": {
      +                  "description": "Agent-facing instruction explaining how to continue.",
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "kind": {
      +                  "const": "ChooseTool",
      +                  "description": "Action required before the original request can continue."
      +                },
      +                "tools": {
      +                  "description": "Allowed tool choices from which the agent must select one.",
      +                  "items": {
      +                    "description": "Name of a tool the agent may choose.",
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  "minItems": 1,
      +                  "type": "array",
      +                  "uniqueItems": true
      +                }
      +              },
      +              "required": [
      +                "kind",
      +                "tools",
      +                "instruction"
      +              ],
      +              "type": "object"
      +            },
      +            {
      +              "additionalProperties": false,
      +              "properties": {
      +                "instruction": {
      +                  "description": "Agent-facing instruction explaining how to continue.",
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "kind": {
      +                  "const": "RetryRequest",
      +                  "description": "Action required before the original request can continue."
      +                }
      +              },
      +              "required": [
      +                "kind",
      +                "instruction"
      +              ],
      +              "type": "object"
      +            },
      +            {
      +              "additionalProperties": false,
      +              "properties": {
      +                "instruction": {
      +                  "description": "Agent-facing instruction explaining how to continue.",
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "kind": {
      +                  "const": "ReviseRequest",
      +                  "description": "Action required before the original request can continue."
      +                }
      +              },
      +              "required": [
      +                "kind",
      +                "instruction"
      +              ],
      +              "type": "object"
      +            },
      +            {
      +              "additionalProperties": false,
      +              "properties": {
      +                "instruction": {
      +                  "description": "Agent-facing instruction explaining how to continue.",
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "kind": {
      +                  "const": "ResolveExternally",
      +                  "description": "Action required before the original request can continue."
      +                }
      +              },
      +              "required": [
      +                "kind",
      +                "instruction"
      +              ],
      +              "type": "object"
      +            }
      +          ]
      +        },
      +        "diagnostics": {
      +          "description": "Diagnostics that explain the failed invocation.",
      +          "items": {
      +            "properties": {
      +              "id": {
      +                "description": "The diagnostic identifier.",
      +                "type": "string"
      +              },
      +              "location": {
      +                "description": "The optional source location of the diagnostic.",
      +                "properties": {
      +                  "column": {
      +                    "description": "The one-based column number.",
      +                    "type": "integer"
      +                  },
      +                  "document": {
      +                    "description": "The resolved document.",
      +                    "properties": {
      +                      "documentId": {
      +                        "description": "The document identifier.",
      +                        "type": "string"
      +                      },
      +                      "path": {
      +                        "description": "The normalized document path.",
      +                        "type": "string"
      +                      },
      +                      "projectId": {
      +                        "description": "The owning project identifier.",
      +                        "type": "string"
      +                      }
      +                    },
      +                    "required": [
      +                      "documentId",
      +                      "path",
      +                      "projectId"
      +                    ],
      +                    "type": [
      +                      "object",
      +                      "null"
      +                    ]
      +                  },
      +                  "line": {
      +                    "description": "The one-based line number.",
      +                    "type": "integer"
      +                  },
      +                  "selector": {
      +                    "description": "The canonical selector that can resolve this source location again.",
      +                    "properties": {
      +                      "span": {
      +                        "properties": {
      +                          "document": {
      +                            "description": "Provide exactly one of path or documentId.",
      +                            "properties": {
      +                              "documentId": {
      +                                "description": "Workspace-local document ID.",
      +                                "type": [
      +                                  "string",
      +                                  "null"
      +                                ]
      +                              },
      +                              "path": {
      +                                "description": "Workspace-relative path.",
      +                                "type": [
      +                                  "string",
      +                                  "null"
      +                                ]
      +                              },
      +                              "project": {
      +                                "description": "Disambiguates documents with matching paths or IDs.",
      +                                "properties": {
      +                                  "name": {
      +                                    "type": [
      +                                      "string",
      +                                      "null"
      +                                    ]
      +                                  },
      +                                  "path": {
      +                                    "description": "Workspace-relative path.",
      +                                    "type": [
      +                                      "string",
      +                                      "null"
      +                                    ]
      +                                  },
      +                                  "projectId": {
      +                                    "type": [
      +                                      "string",
      +                                      "null"
      +                                    ]
      +                                  },
      +                                  "targetFramework": {
      +                                    "type": [
      +                                      "string",
      +                                      "null"
      +                                    ]
      +                                  }
      +                                },
      +                                "type": [
      +                                  "object",
      +                                  "null"
      +                                ]
      +                              }
      +                            },
      +                            "type": "object"
      +                          },
      +                          "range": {
      +                            "description": "Zero-based UTF-16 range.",
      +                            "properties": {
      +                              "length": {
      +                                "description": "UTF-16 code-unit length.",
      +                                "maximum": 2147483647,
      +                                "minimum": 0,
      +                                "type": "integer"
      +                              },
      +                              "start": {
      +                                "description": "Zero-based UTF-16 offset.",
      +                                "maximum": 2147483647,
      +                                "minimum": 0,
      +                                "type": "integer"
      +                              }
      +                            },
      +                            "type": "object"
      +                          }
      +                        },
      +                        "required": [
      +                          "document",
      +                          "range"
      +                        ],
      +                        "type": "object"
      +                      }
      +                    },
      +                    "required": [
      +                      "span"
      +                    ],
      +                    "type": [
      +                      "object",
      +                      "null"
      +                    ]
      +                  },
      +                  "snapshot": {
      +                    "description": "The exact immutable workspace snapshot associated with this location.",
      +                    "properties": {
      +                      "snapshotId": {
      +                        "format": "uuid",
      +                        "type": "string"
      +                      },
      +                      "transactionRevision": {
      +                        "type": [
      +                          "integer",
      +                          "null"
      +                        ]
      +                      },
      +                      "workspaceEpoch": {
      +                        "type": "integer"
      +                      },
      +                      "workspaceId": {
      +                        "format": "uuid",
      +                        "type": "string"
      +                      }
      +                    },
      +                    "required": [
      +                      "workspaceId",
      +                      "workspaceEpoch",
      +                      "snapshotId",
      +                      "transactionRevision"
      +                    ],
      +                    "type": "object"
      +                  },
      +                  "span": {
      +                    "description": "The resolved text span.",
      +                    "properties": {
      +                      "length": {
      +                        "description": "UTF-16 code-unit length.",
      +                        "maximum": 2147483647,
      +                        "minimum": 0,
      +                        "type": "integer"
      +                      },
      +                      "start": {
      +                        "description": "Zero-based UTF-16 offset.",
      +                        "maximum": 2147483647,
      +                        "minimum": 0,
      +                        "type": "integer"
      +                      }
      +                    },
      +                    "type": [
      +                      "object",
      +                      "null"
      +                    ]
      +                  }
      +                },
      +                "required": [
      +                  "snapshot"
      +                ],
      +                "type": [
      +                  "object",
      +                  "null"
      +                ]
      +              },
      +              "message": {
      +                "description": "The diagnostic message.",
      +                "type": "string"
      +              },
      +              "severity": {
      +                "description": "The diagnostic severity.",
      +                "enum": [
      +                  "Hidden",
      +                  "Info",
      +                  "Warning",
      +                  "Error"
      +                ],
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "id",
      +              "message"
      +            ],
      +            "type": "object"
      +          },
      +          "type": "array"
      +        },
      +        "error": {
      +          "description": "Structured error details when the invocation failed.",
      +          "properties": {
      +            "code": {
      +              "description": "Stable machine-readable error code.",
      +              "type": "string"
      +            },
      +            "correlationId": {
      +              "description": "Correlation identifier for matching the failure to server-side diagnostics, when available.",
      +              "type": [
      +                "string",
      +                "null"
      +              ]
      +            },
      +            "message": {
      +              "description": "Human-readable explanation of the failure.",
      +              "type": "string"
      +            }
      +          },
      +          "required": [
      +            "code",
      +            "message"
      +          ],
      +          "type": "object"
      +        },
      +        "ok": {
      +          "const": false,
      +          "description": "Whether the tool invocation succeeded."
      +        },
      +        "warnings": {
      +          "description": "Non-fatal warnings the agent should consider.",
      +          "items": {
      +            "$ref": "#/$defs/warningInfo"
      +          },
      +          "type": "array"
      +        }
      +      },
      +      "required": [
      +        "ok",
      +        "error"
      +      ],
      +      "type": "object"
      +    },
      +    {
      +      "properties": {
      +        "diagnostics": {
      +          "description": "Diagnostics that explain the failed invocation.",
      +          "properties": {
      +            "detailsAvailable": {
      +              "const": true
      +            },
      +            "detailsTool": {
      +              "const": "get-error-details"
      +            }
      +          },
      +          "required": [
      +            "detailsAvailable",
      +            "detailsTool"
      +          ],
      +          "type": "object"
      +        },
      +        "error": {
      +          "description": "Structured error details when the invocation failed.",
      +          "properties": {
      +            "code": {
      +              "const": "UnhandledException"
      +            },
      +            "correlationId": {
      +              "format": "uuid",
      +              "type": "string"
      +            },
      +            "message": {
      +              "const": "Tool execution failed."
      +            }
      +          },
      +          "required": [
      +            "code",
      +            "message",
      +            "correlationId"
      +          ],
      +          "type": "object"
      +        },
      +        "ok": {
      +          "const": false,
      +          "description": "Whether the tool invocation succeeded."
      +        },
      +        "reporting": {
      +          "description": "Error-reporting workflow available for an unhandled failure.",
      +          "properties": {
      +            "canPrepare": {
      +              "type": "boolean"
      +            },
      +            "prepareTool": {
      +              "type": [
      +                "string",
      +                "null"
      +              ]
      +            },
      +            "state": {
      +              "enum": [
      +                "Available",
      +                "AlwaysApproved",
      +                "DisabledByConfiguration",
      +                "ApprovalUnavailable"
      +              ],
      +              "type": "string"
      +            }
      +          },
      +          "required": [
      +            "state"
      +          ],
      +          "type": "object"
      +        }
      +      },
      +      "required": [
      +        "ok",
      +        "error",
      +        "diagnostics"
      +      ],
      +      "type": "object"
      +    }
      +  ],
      +  "type": "object"
      +}
  3. First observedv1.0.2

TDQS

A4.6/5.0
Behavior4/5

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

Annotations already declare readOnly/idempotent/non-destructive, yet the description still adds real behavioral detail: which patterns are recognised (direct or finally-block Dispose/DisposeAsync), what is skipped (using declarations), the heuristic/advisory nature of the results, the default scope fallback, and a 50-finding cap with findings.hasMore. The only gap is how findings should be interpreted beyond 'verify manually,' but that is minor.

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 behavior and no filler sentences; each clause carries information (scope, exclusions, limits, alternative tool). It is dense to the point of being slightly packed, but nothing is wasted.

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?

With an output schema present, the description need not explain return shape, and it still calls out findings.hasMore so the agent knows to paginate. Combined with the exclusions, advisory framing, scope fallback, and sibling routing, an agent has everything needed to invoke it correctly.

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%, so the baseline is 3; however the description adds semantics not obvious from the schema, namely that an omitted scope means the loaded solution is searched, and that findingsLimit defaults to 50 with hasMore signalling truncation. It does not explain the scope kind discriminator beyond what the schema already says.

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?

States a specific verb and resource: 'Heuristically flags local declarations of IDisposable or IAsyncDisposable values that lack a recognised disposal pattern.' It also distinguishes itself from get-diagnostics by framing itself as a heuristic local-declaration scan rather than configured compiler/analyser rules.

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?

Explicitly says 'Use this for advisory resource-handling review; verify ownership transfers and control flow before acting,' and routes the agent elsewhere: 'use get-diagnostics for configured compiler and analyser rules.' It also names what is out of scope (using declarations, non-local declarations), which is genuine when-not guidance.

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