Gate Info MCP

info_platformmetrics_get_stablecoin_info

Read-onlyIdempotent

Stablecoin-only ranking or per-symbol chain breakdown. scope=full with sections=issuance_flow returns issuance_flows[] (CryptoQuant net issuance/redemption); sections=usage_structure returns real usage metrics; sections=depeg_events returns depeg events (stablecoin de-peg event library). Broad market dashboard→get_market_overview. Cross-sector rollup→get_defi_overview. Read-only public research data. No account access, no order placement or fund transfers. Not investment advice.

Input Schema

TableJSON Schema

Name	Required	Description
`chain`	No	Chain filter; list mode restricts to stables with presence on chain. Extensions: all (default) or normalized chain e.g. ethereum/tron/solana/polygon.
`limit`	No	List size; default 10, max 400; single row when symbol set.
`scope`	No	basic (default)\|full; full required for sections.
`symbol`	No	Stablecoin symbol USDT/USDC/DAI/FDUSD/PYUSD; omit for ranked list or extension defaults.
`end_date`	No	UTC YYYY-MM-DD; extension window end, default latest data date for usage_structure or today for issuance_flow/depeg_events.
`sections`	No	Comma-separated string or array; supported values: issuance_flow, usage_structure, depeg_events when scope=full.
`start_date`	No	UTC YYYY-MM-DD; extension window start, default last 30 days. depeg_events: default 2020-01-01.
`min_deviation`	No	depeg_events only: filter events with max_deviation >= this value. Range 0.001-0.2, default 0.005.
`review_status`	No	depeg_events only: candidate\|approved\|rejected; default approved (only returns reviewed events).

Output Schema

TableJSON Schema

Name	Required	Description	Default
`chain`	Yes
`count`	Yes
`items`	Yes
`limit`	Yes
`scope`	No
`total`	Yes
`symbol`	Yes
`end_date`	No
`start_date`	No
`duration_ms`	Yes
`depeg_events`	No
`min_deviation`	No
`issuance_flows`	No
`range_truncated`	No
`usage_structure`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed117 schema fields changedAug 27, 2026
- addedInput schema / additionalProperties
```
Added value: +false
```
- changedInput schema / properties / sections / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / depeg_events / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / depeg_events / properties / items / items / additionalProperties
```
Added value: +false
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / depeg_threshold / type
```
Previous value: -"number"New value: +[
+  "null",
+  "number"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / duration_minutes / type
```
Previous value: -"integer"New value: +[
+  "null",
+  "integer"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / event_end_time / type
```
Previous value: -"string"New value: +[
+  "null",
+  "string"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / latest_price_time / type
```
Previous value: -"string"New value: +[
+  "null",
+  "string"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / max_deviation / type
```
Previous value: -"number"New value: +[
+  "null",
+  "number"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / max_deviation_price / type
```
Previous value: -"number"New value: +[
+  "null",
+  "number"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / max_observation_gap_minutes / type
```
Previous value: -"integer"New value: +[
+  "null",
+  "integer"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / min_price / type
```
Previous value: -"number"New value: +[
+  "null",
+  "number"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / observation_count / type
```
Previous value: -"integer"New value: +[
+  "null",
+  "integer"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / trigger_deviation / type
```
Previous value: -"number"New value: +[
+  "null",
+  "number"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / items / properties / trigger_price / type
```
Previous value: -"number"New value: +[
+  "null",
+  "number"
+]
```
- changedOutput schema / properties / depeg_events / properties / items / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- changedOutput schema / properties / depeg_events / properties / status_reason / type
```
Previous value: -"string"New value: +[
+  "null",
+  "string"
+]
```
- changedOutput schema / properties / depeg_events / type
```
Previous value: -"object"New value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / net_issuance / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / net_issuance / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / net_issuance / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / net_issuance / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / net_issuance / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_issued / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_issued / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_issued / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_issued / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_issued / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_redeemed / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_redeemed / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_redeemed / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_redeemed / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_redeemed / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- changedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / net_issuance / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / series / items / properties / net_issuance / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / net_issuance / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / net_issuance / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / net_issuance / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_issued / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_issued / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_issued / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_issued / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_issued / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_redeemed / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_redeemed / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_redeemed / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_redeemed / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_redeemed / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- changedOutput schema / properties / issuance_flows / items / properties / series / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / mint_burn_net / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / summary / properties / mint_burn_net / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / mint_burn_net / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / mint_burn_net / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / mint_burn_net / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / net_issuance / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / summary / properties / net_issuance / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / net_issuance / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / net_issuance / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / net_issuance / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_burned / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_burned / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_burned / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_burned / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_burned / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_issued / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_issued / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_issued / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_issued / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_issued / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_minted / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_minted / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_minted / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_minted / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_minted / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_redeemed / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_redeemed / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_redeemed / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_redeemed / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_redeemed / type
```
Added value: +[
+  "null",
+  "object"
+]
```
- changedOutput schema / properties / issuance_flows / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / properties / items / items / additionalProperties
```
Added value: +true
```
- changedOutput schema / properties / items / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / properties / usage_structure / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / usage_structure / properties / items / items / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / adjusted_transfer_volume / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / usage_structure / properties / items / items / properties / adjusted_transfer_volume / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / adjusted_transfer_volume / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / adjusted_transfer_volume / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / adjusted_transfer_volume / type
```
Added value: +"object"
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / bot_share / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / usage_structure / properties / items / items / properties / bot_share / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / bot_share / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / bot_share / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / bot_share / type
```
Added value: +"object"
```
- changedOutput schema / properties / usage_structure / properties / items / items / properties / missing_fields / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / reference_metrics / items / additionalProperties
```
Added value: +true
```
- changedOutput schema / properties / usage_structure / properties / items / items / properties / reference_metrics / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / research_reference / items / additionalProperties
```
Added value: +true
```
- changedOutput schema / properties / usage_structure / properties / items / items / properties / research_reference / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / retail_transfer_change / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / usage_structure / properties / items / items / properties / retail_transfer_change / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / retail_transfer_change / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / retail_transfer_change / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / retail_transfer_change / type
```
Added value: +"object"
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / stablecoin_trade_volume / additionalProperties
```
Added value: +false
```
- removedOutput schema / properties / usage_structure / properties / items / items / properties / stablecoin_trade_volume / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / stablecoin_trade_volume / properties
```
Added value: +{
+  "Valid": {
+    "type": "boolean"
+  },
+  "Value": {
+    "type": "number"
+  }
+}
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / stablecoin_trade_volume / required
```
Added value: +[
+  "Value",
+  "Valid"
+]
```
- addedOutput schema / properties / usage_structure / properties / items / items / properties / stablecoin_trade_volume / type
```
Added value: +"object"
```
- changedOutput schema / properties / usage_structure / properties / items / type
```
Previous value: -"array"New value: +[
+  "null",
+  "array"
+]
```
- changedOutput schema / properties / usage_structure / type
```
Previous value: -"object"New value: +[
+  "null",
+  "object"
+]
```

Changed7 schema fields changedJun 23, 2026

changedInput schema / properties / end_date / description

Previous value: -"UTC YYYY-MM-DD; extension window end, default latest data date for usage_structure or today for issuance_flow."New value: +"UTC YYYY-MM-DD; extension window end, default latest data date for usage_structure or today for issuance_flow/depeg_events."

addedInput schema / properties / min_deviation

Added value: +{
+  "description": "depeg_events only: filter events with max_deviation >= this value. Range 0.001-0.2, default 0.005.",
+  "type": "number"
+}

addedInput schema / properties / review_status

Added value: +{
+  "description": "depeg_events only: candidate|approved|rejected; default approved (only returns reviewed events).",
+  "type": "string"
+}

changedInput schema / properties / sections / description

Previous value: -"Comma-separated string or array; supported values: issuance_flow, usage_structure when scope=full."New value: +"Comma-separated string or array; supported values: issuance_flow, usage_structure, depeg_events when scope=full."

changedInput schema / properties / start_date / description

Previous value: -"UTC YYYY-MM-DD; extension window start, default last 30 days."New value: +"UTC YYYY-MM-DD; extension window start, default last 30 days. depeg_events: default 2020-01-01."

addedOutput schema / properties / depeg_events

Added value: +{
+  "properties": {
+    "data_status": {
+      "type": "string"
+    },
+    "items": {
+      "items": {
+        "properties": {
+          "depeg_asset": {
+            "type": "string"
+          },
+          "depeg_direction": {
+            "type": "string"
+          },
+          "depeg_threshold": {
+            "type": "number"
+          },
+          "duration_minutes": {
+            "type": "integer"
+          },
+          "event_end_time": {
+            "type": "string"
+          },
+          "event_start_time": {
+            "type": "string"
+          },
+          "latest_price_time": {
+            "type": "string"
+          },
+          "max_deviation": {
+            "type": "number"
+          },
+          "max_deviation_price": {
+            "type": "number"
+          },
+          "max_observation_gap_minutes": {
+            "type": "integer"
+          },
+          "min_price": {
+            "type": "number"
+          },
+          "observation_count": {
+            "type": "integer"
+          },
+          "price_source": {
+            "type": "string"
+          },
+          "trigger_deviation": {
+            "type": "number"
+          },
+          "trigger_price": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "depeg_asset",
+          "event_start_time",
+          "event_end_time",
+          "depeg_direction",
+          "price_source",
+          "latest_price_time"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "status_reason": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "data_status",
+    "status_reason",
+    "items"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / min_deviation
```
Added value: +{
+  "type": "number"
+}
```

Changed34 schema fields changedMay 25, 2026

changedInput schema / properties / chain / description

Previous value: -"Chain filter; list mode restricts to stables with presence on chain. issuance_flow: all (default) or ethereum/tron/omni etc."New value: +"Chain filter; list mode restricts to stables with presence on chain. Extensions: all (default) or normalized chain e.g. ethereum/tron/solana/polygon."

changedInput schema / properties / end_date / description

Previous value: -"UTC YYYY-MM-DD; issuance_flow window end, default today."New value: +"UTC YYYY-MM-DD; extension window end, default latest data date for usage_structure or today for issuance_flow."

changedInput schema / properties / scope / description

Previous value: -"basic (default)|full; full required for sections=issuance_flow."New value: +"basic (default)|full; full required for sections."

changedInput schema / properties / sections / description

Previous value: -"Comma-separated string or array; only issuance_flow is supported when scope=full."New value: +"Comma-separated string or array; supported values: issuance_flow, usage_structure when scope=full."

changedInput schema / properties / start_date / description

Previous value: -"UTC YYYY-MM-DD; issuance_flow window start, default last 30 days."New value: +"UTC YYYY-MM-DD; extension window start, default last 30 days."

changedInput schema / properties / symbol / description

Previous value: -"Stablecoin symbol USDT/USDC; omit for ranked list or default USDT+USDC when sections=issuance_flow."New value: +"Stablecoin symbol USDT/USDC/DAI/FDUSD/PYUSD; omit for ranked list or extension defaults."

addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / net_issuance / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / net_issuance / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_issued / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_issued / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_redeemed / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / properties / supply_redeemed / type
```
Removed value: -"number"
```

changedOutput schema / properties / issuance_flows / items / properties / chain_breakdown / items / required

Previous value: -[
-  "chain",
-  "supply_issued",
-  "supply_redeemed",
-  "net_issuance"
-]New value: +[
+  "chain"
+]

addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / net_issuance / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / series / items / properties / net_issuance / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_issued / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_issued / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_redeemed / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / series / items / properties / supply_redeemed / type
```
Removed value: -"number"
```

changedOutput schema / properties / issuance_flows / items / properties / series / items / required

Previous value: -[
-  "date",
-  "chain",
-  "supply_issued",
-  "supply_redeemed",
-  "net_issuance"
-]New value: +[
+  "date",
+  "chain"
+]

addedOutput schema / properties / issuance_flows / items / properties / summary / properties / mint_burn_net / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / summary / properties / mint_burn_net / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / summary / properties / net_issuance / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / summary / properties / net_issuance / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_burned / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_burned / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_issued / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_issued / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_minted / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_minted / type
```
Removed value: -"number"
```
addedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_redeemed / anyOf
```
Added value: +[
+  {
+    "type": "number"
+  },
+  {
+    "type": "null"
+  }
+]
```
removedOutput schema / properties / issuance_flows / items / properties / summary / properties / supply_redeemed / type
```
Removed value: -"number"
```

removedOutput schema / properties / issuance_flows / items / properties / summary / required

Removed value: -[
-  "supply_issued",
-  "supply_redeemed",
-  "supply_minted",
-  "supply_burned",
-  "net_issuance",
-  "mint_burn_net"
-]

addedOutput schema / properties / usage_structure

Added value: +{
+  "properties": {
+    "items": {
+      "items": {
+        "properties": {
+          "adjusted_transfer_volume": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "bot_share": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "chain": {
+            "type": "string"
+          },
+          "data_status": {
+            "type": "string"
+          },
+          "missing_fields": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "reference_metrics": {
+            "items": {
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "research_reference": {
+            "items": {
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "retail_transfer_change": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "row_count": {
+            "type": "integer"
+          },
+          "stablecoin_trade_volume": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "symbol": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "symbol",
+          "chain",
+          "adjusted_transfer_volume",
+          "bot_share",
+          "retail_transfer_change",
+          "stablecoin_trade_volume",
+          "reference_metrics",
+          "research_reference",
+          "missing_fields",
+          "data_status",
+          "row_count"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "window_end": {
+      "type": "string"
+    },
+    "window_start": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "window_start",
+    "window_end",
+    "items"
+  ],
+  "type": "object"
+}

Changed11 schema fields changedMay 21, 2026

changedInput schema / properties / chain / description

Previous value: -"Chain filter; list mode restricts to stables with presence on chain."New value: +"Chain filter; list mode restricts to stables with presence on chain. issuance_flow: all (default) or ethereum/tron/omni etc."

addedInput schema / properties / end_date

Added value: +{
+  "description": "UTC YYYY-MM-DD; issuance_flow window end, default today.",
+  "type": "string"
+}

addedInput schema / properties / scope

Added value: +{
+  "description": "basic (default)|full; full required for sections=issuance_flow.",
+  "type": "string"
+}

addedInput schema / properties / sections

Added value: +{
+  "description": "Comma-separated string or array; only issuance_flow is supported when scope=full.",
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}

addedInput schema / properties / start_date

Added value: +{
+  "description": "UTC YYYY-MM-DD; issuance_flow window start, default last 30 days.",
+  "type": "string"
+}

changedInput schema / properties / symbol / description

Previous value: -"Stablecoin symbol USDT/USDC/DAI; omit for ranked list."New value: +"Stablecoin symbol USDT/USDC; omit for ranked list or default USDT+USDC when sections=issuance_flow."

addedOutput schema / properties / end_date
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / issuance_flows

Added value: +{
+  "items": {
+    "properties": {
+      "chain": {
+        "type": "string"
+      },
+      "chain_breakdown": {
+        "items": {
+          "properties": {
+            "chain": {
+              "type": "string"
+            },
+            "net_issuance": {
+              "type": "number"
+            },
+            "supply_issued": {
+              "type": "number"
+            },
+            "supply_redeemed": {
+              "type": "number"
+            }
+          },
+          "required": [
+            "chain",
+            "supply_issued",
+            "supply_redeemed",
+            "net_issuance"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "quality_note": {
+        "type": "string"
+      },
+      "series": {
+        "items": {
+          "properties": {
+            "chain": {
+              "type": "string"
+            },
+            "date": {
+              "type": "string"
+            },
+            "net_issuance": {
+              "type": "number"
+            },
+            "supply_issued": {
+              "type": "number"
+            },
+            "supply_redeemed": {
+              "type": "number"
+            }
+          },
+          "required": [
+            "date",
+            "chain",
+            "supply_issued",
+            "supply_redeemed",
+            "net_issuance"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "summary": {
+        "properties": {
+          "mint_burn_net": {
+            "type": "number"
+          },
+          "net_issuance": {
+            "type": "number"
+          },
+          "supply_burned": {
+            "type": "number"
+          },
+          "supply_issued": {
+            "type": "number"
+          },
+          "supply_minted": {
+            "type": "number"
+          },
+          "supply_redeemed": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "supply_issued",
+          "supply_redeemed",
+          "supply_minted",
+          "supply_burned",
+          "net_issuance",
+          "mint_burn_net"
+        ],
+        "type": "object"
+      },
+      "symbol": {
+        "type": "string"
+      },
+      "window_end": {
+        "type": "string"
+      },
+      "window_start": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "symbol",
+      "chain",
+      "window_start",
+      "window_end",
+      "summary",
+      "series"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / range_truncated
```
Added value: +{
+  "type": "boolean"
+}
```
addedOutput schema / properties / scope
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / start_date
```
Added value: +{
+  "type": "string"
+}
```

First observedApr 16, 2026

TDQS

A4.9/5.0

Behavior5/5

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

Annotations (readOnlyHint, openWorldHint, idempotentHint, destructiveHint=false) are reinforced by the description: 'Read-only public research data. No account access, no order placement or fund transfers. Not investment advice.' This fully discloses side effects and restrictions beyond 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?

The description is dense but efficient, using arrows and semicolons to pack information. It could be trimmed slightly (e.g., repeating 'extension' multiple times), but it remains scannable and focused.

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?

Given the output schema exists separately and the description fully covers input semantics, behavior (sections, defaults), and limitations (depeg_events filters), an agent has all context needed to call the tool correctly without external references.

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

Parameters5/5

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

All 9 parameters are described with meaningful detail: supported values for symbol, enumeration of sections, default windows, and valid ranges (e.g., min_deviation 0.001-0.2). This adds depth beyond the schema's 100% coverage.

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?

Clearly states it provides stablecoin-only ranking or per-symbol chain breakdown. Explicitly distinguishes from broader tools by referencing get_market_overview and get_defi_overview, making its niche unmistakable.

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?

Gives direct usage guidance: 'Broad market dashboard→get_market_overview. Cross-sector rollup→get_defi_overview' points to alternatives. Also explains when sections require scope=full and notes defaults, leaving no ambiguity about when to invoke.

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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