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whale-data

by com.coinlobster
OverviewDiscussionsAdmin

Unusual whale activity

whale_radar
Read-onlyIdempotent

Which coins have UNUSUAL whale flow right now, each against its own normal, over 1h, 4h and 24h, ranked by how far above normal (not by dollar size). For discovery when no coin is named.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoRows to return (usually up to 100; more is clamped and said).
cursorNoNext page: the cursor from the previous answer.
detailNobrief (default): the answer, key numbers and top rows. full: every row, paged with cursor.
windowNoOne window only. Omit for all three.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
as_ofNoData time, ISO.
caveatNoA real limit, when non-null.
cursorNoNext page (detail full).
delayedNoSet when not live.
summaryNoThe answer in one sentence.
as_of_msNoData time, Unix ms.
availableNoFalse: no data; note says why.
truncatedNoRows held back; see trimmed.
next_toolsNoFollow-up calls {tool,args,why}.
access_noteNoWhat this connection could not return.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed28 schema fields changed
    • removedInput schema / $schema
      Removed value: -"http://json-schema.org/draft-07/schema#"
    • addedInput schema / additionalProperties
      Added value: +{}
    • addedInput schema / properties / cursor
      Added value: +{
+  "description": "Next page: the cursor from the previous answer.",
+  "type": "string"
+}
    • addedInput schema / properties / detail
      Added value: +{
+  "description": "brief (default): the answer, key numbers and top rows. full: every row, paged with cursor.",
+  "enum": [
+    "brief",
+    "full"
+  ],
+  "type": "string"
+}
    • addedInput schema / properties / limit
      Added value: +{
+  "description": "Rows to return (usually up to 100; more is clamped and said).",
+  "type": "integer"
+}
    • addedInput schema / properties / window
      Added value: +{
+  "description": "One window only. Omit for all three.",
+  "enum": [
+    "1h",
+    "4h",
+    "24h"
+  ],
+  "type": "string"
+}
    • removedOutput schema / $schema
      Removed value: -"http://json-schema.org/draft-07/schema#"
    • addedOutput schema / properties / access_note
      Added value: +{
+  "description": "What this connection could not return."
+}
    • addedOutput schema / properties / as_of
      Added value: +{
+  "description": "Data time, ISO."
+}
    • addedOutput schema / properties / as_of_ms
      Added value: +{
+  "anyOf": [
+    {
+      "type": "number"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Data time, Unix ms."
+}
    • removedOutput schema / properties / available / anyOf
      Removed value: -[
-  {
-    "type": "boolean"
-  },
-  {
-    "type": "null"
-  }
-]
    • changedOutput schema / properties / available / description
      Previous value: -"False when this lane could not answer: a producer is dark, the pair sits outside this plan, or the argument named something we do not carry. Absent or true means the numbers are a real reading, not a guess."New value: +"False: no data; note says why."
    • addedOutput schema / properties / available / type
      Added value: +"boolean"
    • removedOutput schema / properties / blurredMagnitude
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "boolean"
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "Keyless only: true because dollar sizes on held-back coins are rounded away."
-}
    • removedOutput schema / properties / building
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "boolean"
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "True while the ranking has not been published yet."
-}
    • addedOutput schema / properties / caveat
      Added value: +{
+  "description": "A real limit, when non-null."
+}
    • addedOutput schema / properties / cursor
      Added value: +{
+  "description": "Next page (detail full)."
+}
    • addedOutput schema / properties / delayed
      Added value: +{
+  "description": "Set when not live."
+}
    • removedOutput schema / properties / freeCoins
      Removed value: -{
-  "anyOf": [
-    {
-      "items": {
-        "type": "string"
-      },
-      "type": "array"
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "Keyless only: the coins whose numbers come through unblurred."
-}
    • removedOutput schema / properties / freshness
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "string"
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "How often the ranking is rebuilt."
-}
    • removedOutput schema / properties / generatedAt
      Removed value: -{
-  "anyOf": [
-    {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "number"
-        }
-      ]
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "When the ranking was computed."
-}
    • removedOutput schema / properties / lockedCount
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "number"
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "Keyless only: how many coins were held back."
-}
    • removedOutput schema / properties / lockedUnusualCount
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "number"
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "Keyless only: how many of the held-back coins are the unusual ones."
-}
    • addedOutput schema / properties / next_tools
      Added value: +{
+  "description": "Follow-up calls {tool,args,why}.",
+  "items": {
+    "additionalProperties": {},
+    "properties": {},
+    "type": "object"
+  },
+  "type": "array"
+}
    • removedOutput schema / properties / note
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "string"
-    },
-    {
-      "type": "null"
-    }
-  ],
-  "description": "One line saying what the numbers cover, or why there are none. Read it before reporting any zero as a market reading."
-}
    • changedOutput schema / properties / summary / description
      Previous value: -"The answer in one plain sentence, computed from the fields below. Open the reply with this, then let the numbers back it up. Null only when there was nothing to summarise."New value: +"The answer in one sentence."
    • addedOutput schema / properties / truncated
      Added value: +{
+  "description": "Rows held back; see trimmed."
+}
    • removedOutput schema / properties / windows
      Removed value: -{
-  "description": "The ranked coins per window, keyed 1h, 4h and 24h. Each row names the coin, its dollars in the window and how that compares with the same coin trailing hours."
-}
  2. Changed1 schema field changed
    • addedOutput schema / properties / summary
      Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "The answer in one plain sentence, computed from the fields below. Open the reply with this, then let the numbers back it up. Null only when there was nothing to summarise."
+}
  3. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": {},
+  "properties": {
+    "available": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "False when this lane could not answer: a producer is dark, the pair sits outside this plan, or the argument named something we do not carry. Absent or true means the numbers are a real reading, not a guess."
+    },
+    "blurredMagnitude": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Keyless only: true because dollar sizes on held-back coins are rounded away."
+    },
+    "building": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "True while the ranking has not been published yet."
+    },
+    "freeCoins": {
+      "anyOf": [
+        {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Keyless only: the coins whose numbers come through unblurred."
+    },
+    "freshness": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "How often the ranking is rebuilt."
+    },
+    "generatedAt": {
+      "anyOf": [
+        {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "number"
+            }
+          ]
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "When the ranking was computed."
+    },
+    "lockedCount": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Keyless only: how many coins were held back."
+    },
+    "lockedUnusualCount": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Keyless only: how many of the held-back coins are the unusual ones."
+    },
+    "note": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "One line saying what the numbers cover, or why there are none. Read it before reporting any zero as a market reading."
+    },
+    "windows": {
+      "description": "The ranked coins per window, keyed 1h, 4h and 24h. Each row names the coin, its dollars in the window and how that compares with the same coin trailing hours."
+    }
+  },
+  "type": "object"
+}
  4. First observed

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is covered. The description adds meaningful behavioral context beyond annotations: it explains that results are 'ranked by how far above normal (not by dollar size)' and that each coin is compared 'against its own normal'. This clarifies the output ordering and normalization logic without contradicting 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.

Conciseness5/5

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

Two sentences, no filler. The first sentence front-loads the core query and key qualifiers (unusual, own normal, timeframes, ranking), while the second sentence gives the use case. Every word earns its place.

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

Completeness4/5

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

The description is complete for a read-only discovery tool: it states the purpose, ranking logic, timeframes, and use case. The output schema covers return structure, and the input schema fully documents parameters. The only minor omission is a more explicit explanation of how 'unusual' is statistically measured, but 'against its own normal' is sufficient for an agent to call the tool correctly.

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

Parameters3/5

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

Schema description coverage is 100%, so the baseline is 3. The description mentions the time windows (1h, 4h, 24h) which map to the window parameter, but it does not add anything beyond what the schema already states (e.g., 'Omit for all three'). No extra semantics are provided for limit, cursor, or detail, so the parameter meaning comes almost entirely from the schema.

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?

The description uses a specific verb and resource: 'Which coins have UNUSUAL whale flow right now'. It clearly defines the scope (unusual relative to each coin's own normal), the timeframes (1h, 4h, 24h), and the ranking criterion (by how far above normal, not dollar size). The closing phrase 'For discovery when no coin is named' distinguishes it from sibling tools like whale_activity, which likely requires a coin name.

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 explicitly states the primary use case: 'For discovery when no coin is named.' This gives clear context for when to choose this tool over others. However, it does not explicitly name an alternative or state a when-not condition, leaving the distinction from whale_activity implicit rather than direct.

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

All whale-data toolsInspect
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