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compare_products

Compare TFDA IVD license records for decision support. Check verified official sources before use; not for procurement or equivalence determination.

Instructions

Deprecated TFDA operation. decision_support_only=true; verify_current_official_source=true; not_validated_for_hospital_deployment=true; not_for_procurement_or_equivalence=true. 不得輸入病人資料。

Input Schema

TableJSON Schema

Name	Required	Description	Default
`limit`	No
`query`	Yes

Output Schema

TableJSON Schema

Name	Required	Default
`items`	Yes
`limit`	Yes
`notes`	Yes
`query`	Yes
`offset`	Yes
`safety`	Yes
`warnings`	Yes
`data_mode`	Yes
`operation`	Yes
`truncated`	Yes
`provenance`	Yes
`sample_only`	Yes
`availability`	Yes
`result_status`	Yes
`source_status`	Yes
`total_matches`	Yes
`returned_count`	Yes
`coverage_detail`	Yes
`coverage_status`	Yes
`evaluated_as_of`	Yes
`contract_version`	No	public-contract-v1
`evaluated_timezone`	Yes
`snapshot_traceable`	Yes
`replacement_operation`	Yes
`availability_reason_code`	Yes
`historical_truth_supported`	Yes
`currently_reproducible_from_upstream`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed5 schema fields changedv0.1.3Sep 17, 2026

addedOutput schema / $defs / CDCManualClauseRecord

Added value: +{
+  "additionalProperties": false,
+  "description": "One numbered clause, figure caption or appendix form of the manual, as printed.",
+  "properties": {
+    "block_kind": {
+      "enum": [
+        "clause",
+        "figure",
+        "appendix"
+      ],
+      "title": "Block Kind",
+      "type": "string"
+    },
+    "chapter": {
+      "title": "Chapter",
+      "type": "string"
+    },
+    "clause_number": {
+      "title": "Clause Number",
+      "type": "string"
+    },
+    "record_type": {
+      "const": "cdc_manual_clause",
+      "default": "cdc_manual_clause",
+      "title": "Record Type",
+      "type": "string"
+    },
+    "text": {
+      "title": "Text",
+      "type": "string"
+    }
+  },
+  "required": [
+    "block_kind",
+    "clause_number",
+    "chapter",
+    "text"
+  ],
+  "title": "CDCManualClauseRecord",
+  "type": "object"
+}

addedOutput schema / $defs / ItemEnvelope / properties / record / discriminator / mapping / cdc_manual_clause
```
Added value: +"#/$defs/CDCManualClauseRecord"
```

changedOutput schema / $defs / ItemEnvelope / properties / record / oneOf

Previous value: -[
-  {
-    "$ref": "#/$defs/NHIRecord"
-  },
-  {
-    "$ref": "#/$defs/NHISearchRecord"
-  },
-  {
-    "$ref": "#/$defs/CDCSpecimenRecord"
-  },
-  {
-    "$ref": "#/$defs/CDCTestingLocationRecord"
-  },
-  {
-    "$ref": "#/$defs/CDCLabRecord"
-  },
-  {
-    "$ref": "#/$defs/TFDARecord"
-  },
-  {
-    "$ref": "#/$defs/TFDASearchRecord"
-  }
-]New value: +[
+  {
+    "$ref": "#/$defs/NHIRecord"
+  },
+  {
+    "$ref": "#/$defs/NHISearchRecord"
+  },
+  {
+    "$ref": "#/$defs/CDCSpecimenRecord"
+  },
+  {
+    "$ref": "#/$defs/CDCTestingLocationRecord"
+  },
+  {
+    "$ref": "#/$defs/CDCManualClauseRecord"
+  },
+  {
+    "$ref": "#/$defs/CDCLabRecord"
+  },
+  {
+    "$ref": "#/$defs/TFDARecord"
+  },
+  {
+    "$ref": "#/$defs/TFDASearchRecord"
+  }
+]

changedOutput schema / properties / operation / enum

Previous value: -[
-  "get_data_status",
-  "search_disease",
-  "get_specimen_requirement",
-  "get_collection_method",
-  "get_container",
-  "get_transport_requirement",
-  "get_submission_rule",
-  "get_testing_location",
-  "find_authorized_lab",
-  "get_lab_scope",
-  "search_payment_items",
-  "search_lab_code",
-  "get_points",
-  "get_payment_rule",
-  "search_reviewed_ivd",
-  "search_ivd_candidates",
-  "search_ivd",
-  "get_license",
-  "find_manufacturer",
-  "list_matching_license_records",
-  "compare_products",
-  "standards_status",
-  "eqa_status"
-]New value: +[
+  "get_data_status",
+  "search_disease",
+  "get_specimen_requirement",
+  "get_collection_method",
+  "get_container",
+  "get_transport_requirement",
+  "get_submission_rule",
+  "get_testing_location",
+  "search_manual_procedure",
+  "find_authorized_lab",
+  "get_lab_scope",
+  "search_payment_items",
+  "search_lab_code",
+  "get_points",
+  "get_payment_rule",
+  "search_reviewed_ivd",
+  "search_ivd_candidates",
+  "search_ivd",
+  "get_license",
+  "find_manufacturer",
+  "list_matching_license_records",
+  "compare_products",
+  "standards_status",
+  "eqa_status"
+]

changedOutput schema / properties / replacement_operation / anyOf

Previous value: -[
-  {
-    "enum": [
-      "get_data_status",
-      "search_disease",
-      "get_specimen_requirement",
-      "get_collection_method",
-      "get_container",
-      "get_transport_requirement",
-      "get_submission_rule",
-      "get_testing_location",
-      "find_authorized_lab",
-      "get_lab_scope",
-      "search_payment_items",
-      "search_lab_code",
-      "get_points",
-      "get_payment_rule",
-      "search_reviewed_ivd",
-      "search_ivd_candidates",
-      "search_ivd",
-      "get_license",
-      "find_manufacturer",
-      "list_matching_license_records",
-      "compare_products",
-      "standards_status",
-      "eqa_status"
-    ],
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "enum": [
+      "get_data_status",
+      "search_disease",
+      "get_specimen_requirement",
+      "get_collection_method",
+      "get_container",
+      "get_transport_requirement",
+      "get_submission_rule",
+      "get_testing_location",
+      "search_manual_procedure",
+      "find_authorized_lab",
+      "get_lab_scope",
+      "search_payment_items",
+      "search_lab_code",
+      "get_points",
+      "get_payment_rule",
+      "search_reviewed_ivd",
+      "search_ivd_candidates",
+      "search_ivd",
+      "get_license",
+      "find_manufacturer",
+      "list_matching_license_records",
+      "compare_products",
+      "standards_status",
+      "eqa_status"
+    ],
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

Changed6 schema fields changedv0.1.2Sep 16, 2026

addedOutput schema / $defs / CDCReceivingUnitContact

Added value: +{
+  "additionalProperties": false,
+  "description": "One 7.9 receiving unit as the manual prints it (OD-18).",
+  "properties": {
+    "address": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Address"
+    },
+    "fax": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Fax"
+    },
+    "phone": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Phone"
+    },
+    "unit_name": {
+      "title": "Unit Name",
+      "type": "string"
+    }
+  },
+  "required": [
+    "unit_name",
+    "phone",
+    "fax",
+    "address"
+  ],
+  "title": "CDCReceivingUnitContact",
+  "type": "object"
+}

addedOutput schema / $defs / CDCTestingLocationRecord

Added value: +{
+  "additionalProperties": false,
+  "description": "One chapter 7 row: where a test is sent and how long it takes (OD-18).\n\nThe manual prints 檢驗期限 in most sections and 檢驗期間 in 7.7 (autopsy specimens), so the\ntwo official column names stay separate fields and are never merged into one duration.\n`receiving_unit_contacts` are the 7.9 rows whose unit name appears in this row's 收件單位\ntext; the join happens when the question is answered and every contact keeps its own page,\nsection and row hash in the item's evidence.",
+  "properties": {
+    "bsl_raw": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Bsl Raw"
+    },
+    "collecting_unit": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Collecting Unit"
+    },
+    "disease": {
+      "title": "Disease",
+      "type": "string"
+    },
+    "method": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Method"
+    },
+    "notes": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Notes"
+    },
+    "receiving_unit": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Receiving Unit"
+    },
+    "receiving_unit_contacts": {
+      "items": {
+        "$ref": "#/$defs/CDCReceivingUnitContact"
+      },
+      "title": "Receiving Unit Contacts",
+      "type": "array"
+    },
+    "record_type": {
+      "const": "cdc_testing_location",
+      "default": "cdc_testing_location",
+      "title": "Record Type",
+      "type": "string"
+    },
+    "specimen": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Specimen"
+    },
+    "testing_period_raw": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Testing Period Raw"
+    },
+    "turnaround_raw": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Turnaround Raw"
+    }
+  },
+  "required": [
+    "disease",
+    "collecting_unit",
+    "specimen",
+    "method",
+    "turnaround_raw",
+    "testing_period_raw",
+    "receiving_unit",
+    "bsl_raw",
+    "notes",
+    "receiving_unit_contacts"
+  ],
+  "title": "CDCTestingLocationRecord",
+  "type": "object"
+}

addedOutput schema / $defs / ItemEnvelope / properties / record / discriminator / mapping / cdc_testing_location
```
Added value: +"#/$defs/CDCTestingLocationRecord"
```

changedOutput schema / $defs / ItemEnvelope / properties / record / oneOf

Previous value: -[
-  {
-    "$ref": "#/$defs/NHIRecord"
-  },
-  {
-    "$ref": "#/$defs/NHISearchRecord"
-  },
-  {
-    "$ref": "#/$defs/CDCSpecimenRecord"
-  },
-  {
-    "$ref": "#/$defs/CDCLabRecord"
-  },
-  {
-    "$ref": "#/$defs/TFDARecord"
-  },
-  {
-    "$ref": "#/$defs/TFDASearchRecord"
-  }
-]New value: +[
+  {
+    "$ref": "#/$defs/NHIRecord"
+  },
+  {
+    "$ref": "#/$defs/NHISearchRecord"
+  },
+  {
+    "$ref": "#/$defs/CDCSpecimenRecord"
+  },
+  {
+    "$ref": "#/$defs/CDCTestingLocationRecord"
+  },
+  {
+    "$ref": "#/$defs/CDCLabRecord"
+  },
+  {
+    "$ref": "#/$defs/TFDARecord"
+  },
+  {
+    "$ref": "#/$defs/TFDASearchRecord"
+  }
+]

changedOutput schema / properties / operation / enum

Previous value: -[
-  "get_data_status",
-  "search_disease",
-  "get_specimen_requirement",
-  "get_collection_method",
-  "get_container",
-  "get_transport_requirement",
-  "get_submission_rule",
-  "find_authorized_lab",
-  "get_lab_scope",
-  "search_payment_items",
-  "search_lab_code",
-  "get_points",
-  "get_payment_rule",
-  "search_reviewed_ivd",
-  "search_ivd_candidates",
-  "search_ivd",
-  "get_license",
-  "find_manufacturer",
-  "list_matching_license_records",
-  "compare_products",
-  "standards_status",
-  "eqa_status"
-]New value: +[
+  "get_data_status",
+  "search_disease",
+  "get_specimen_requirement",
+  "get_collection_method",
+  "get_container",
+  "get_transport_requirement",
+  "get_submission_rule",
+  "get_testing_location",
+  "find_authorized_lab",
+  "get_lab_scope",
+  "search_payment_items",
+  "search_lab_code",
+  "get_points",
+  "get_payment_rule",
+  "search_reviewed_ivd",
+  "search_ivd_candidates",
+  "search_ivd",
+  "get_license",
+  "find_manufacturer",
+  "list_matching_license_records",
+  "compare_products",
+  "standards_status",
+  "eqa_status"
+]

changedOutput schema / properties / replacement_operation / anyOf

Previous value: -[
-  {
-    "enum": [
-      "get_data_status",
-      "search_disease",
-      "get_specimen_requirement",
-      "get_collection_method",
-      "get_container",
-      "get_transport_requirement",
-      "get_submission_rule",
-      "find_authorized_lab",
-      "get_lab_scope",
-      "search_payment_items",
-      "search_lab_code",
-      "get_points",
-      "get_payment_rule",
-      "search_reviewed_ivd",
-      "search_ivd_candidates",
-      "search_ivd",
-      "get_license",
-      "find_manufacturer",
-      "list_matching_license_records",
-      "compare_products",
-      "standards_status",
-      "eqa_status"
-    ],
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "enum": [
+      "get_data_status",
+      "search_disease",
+      "get_specimen_requirement",
+      "get_collection_method",
+      "get_container",
+      "get_transport_requirement",
+      "get_submission_rule",
+      "get_testing_location",
+      "find_authorized_lab",
+      "get_lab_scope",
+      "search_payment_items",
+      "search_lab_code",
+      "get_points",
+      "get_payment_rule",
+      "search_reviewed_ivd",
+      "search_ivd_candidates",
+      "search_ivd",
+      "get_license",
+      "find_manufacturer",
+      "list_matching_license_records",
+      "compare_products",
+      "standards_status",
+      "eqa_status"
+    ],
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

First observedv0.1.1Sep 15, 2026

TDQS

B3/5.0

Behavior4/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It clearly communicates deprecated status, decision-support-only intent, validation limitations, and a data-handling prohibition. This is strong transparency, though it does not describe side effects or what the operation actually returns.

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?

The description is short and front-loads the most important fact ('Deprecated TFDA operation') before listing flags. The boolean-style statements are dense but readable. It earns a high conciseness score because there is little waste, though it could have used fewer repetitive flag-like terms.

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

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a tool with 0% schema coverage, no annotations, and an unclear purpose, the description is far from complete. It tells an agent to be cautious and avoid certain uses, but it does not explain what the tool does, what the query should contain, or how limit affects results. The presence of an output schema does not compensate for the missing operational context.

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

Parameters2/5

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

Schema description coverage is 0%, so the description should compensate for the undocumented query and limit parameters. It only adds a constraint that patient data must not be entered, which is an input restriction but not a definition of what 'query' or 'limit' mean. The required parameter remains semantically unexplained.

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

Purpose2/5

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

The description only says 'Deprecated TFDA operation' and then lists constraints. It does not state what compare_products actually does, what resource it acts on, or what output it provides. This is too vague for an agent to understand the tool's function beyond its name and domain.

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

Usage Guidelines4/5

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

The description gives explicit usage restrictions: decision_support_only, verify_current_official_source, not for hospital deployment, not for procurement or equivalence, and do not input patient data. This effectively communicates when not to use the tool, but it does not name an alternative sibling tool, so it falls short of a 5.

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