Tessera Analytics - Hyperliquid Market Intelligence

Describe dataset

describe_dataset

Read-only

The full dictionary for ONE downloadable dataset: description plus every column's type, nullability and plain-English meaning. Pass a name from list_datasets. Open — no key needed. For the fields the query tools accept, use list_fields.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "asset": "<asset>"
    },
    "name": "describe_dataset"
  }
}

Input Schema

Name	Required	Description	Default
`asset`	Yes	Dataset name, as returned by `list_datasets`.

Output Schema

Name	Required	Description
`name`	Yes	Dataset name, exactly as `list_datasets` reports it.
`note`	No	Optional "how to use this" callout.
`title`	Yes	Human-friendly title, e.g. "Order-flow OHLCV (1-minute)".
`cadence`	Yes	How frequently the data is sampled, e.g. "1-minute bars".
`summary`	Yes	One-line intuitive summary — the catalog card.
`category`	Yes	Presentation category, e.g. `raw-tiles` or `forecast-layer`.
`keywords`	No	Per-dataset discovery keywords (schema.org keywords on the web).
`temporal`	No	Machine-readable timestamp/interval contract: what the label marks and how to join without leaking the future. Defaulted so snapshots predating the field still deserialize.
`use_case`	No	One-line "what you'd use it for" (buyer-intent) copy.
`seo_title`	No	Keyword-first SEO title tag (web `<title>`). Defaulted so older snapshots without the field still deserialize.
`description`	Yes	Longer prose — the dictionary page header.
`column_count`	Yes	Number of documented columns.
`column_groups`	Yes	Columns, grouped for presentation, in schema order.
`direct_answer`	No	40-60 word keyword-first lead answer — the definitional "what is this" blurb, and the strongest AI-citation extraction target. Defaulted for forward/backward compatibility with snapshots predating the field.

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedNov 9, 2026

removedOutput schema / properties / tier

Removed value: -{
-  "description": "Display tier: `free` or `pro`. Re-derived from `policy.rs` on read, so it\nalways matches actual entitlement regardless of the on-disk value.",
-  "type": "string"
-}

changedOutput schema / required

Previous value: -[
-  "name",
-  "title",
-  "category",
-  "cadence",
-  "summary",
-  "description",
-  "tier",
-  "column_count",
-  "column_groups"
-]New value: +[
+  "name",
+  "title",
+  "category",
+  "cadence",
+  "summary",
+  "description",
+  "column_count",
+  "column_groups"
+]

Changed5 schema fields changedSep 15, 2026

addedInput schema / description

Added value: +"Which dataset's dictionary to return."

changedInput schema / properties / asset / description

Previous value: -"Dataset name, e.g. `gold_ohlcv_1m`."New value: +"Dataset name, as returned by `list_datasets`."

changedInput schema / title

Previous value: -"AssetArg"New value: +"DatasetArg"

changedOutput schema / properties / cadence / description

Previous value: -"Granularity + partitioning, e.g. \"1-minute bars, partitioned per (coin, month)\"."New value: +"How frequently the data is sampled, e.g. \"1-minute bars\"."

changedOutput schema / properties / name / description

Previous value: -"Dataset name / asset key, e.g. `gold_ohlcv_1m`."New value: +"Dataset name, exactly as `list_datasets` reports it."

Changed1 schema field changedSep 3, 2026

changedInput schema / properties / asset / description

Previous value: -"Dataset name, e.g. `gold_positioning_funding_factors_1d`."New value: +"Dataset name, e.g. `gold_ohlcv_1m`."

Changed3 schema fields changedJul 10, 2026

addedOutput schema / $defs / ColumnGroup / properties / window

Added value: +{
+  "default": null,
+  "description": "Temporal window of this group's fields relative to the timestamp label:\none of `point_in_time`, `backward`, `forward`, `contemporaneous`,\n`static`. Null when the dataset-level `temporal.convention` covers them.",
+  "nullable": true,
+  "type": "string"
+}

addedOutput schema / $defs / Temporal

Added value: +{
+  "description": "The dataset's temporal contract — what the timestamp column marks and the\nlook-ahead-safety rules for joining. Mirror of the resolver's `temporal`\nblock (`semantic/__init__.py`).",
+  "properties": {
+    "convention": {
+      "description": "One-paragraph plain-English join / look-ahead contract.",
+      "type": "string"
+    },
+    "grain": {
+      "description": "Observation width, e.g. `1m`, `1h`, `1d`, `1mo`.",
+      "type": "string"
+    },
+    "label": {
+      "description": "What the label marks: one of `interval_start`, `interval_end`,\n`snapshot`, `forecast_target`.",
+      "type": "string"
+    },
+    "timestamp_field": {
+      "description": "Which column carries the label, e.g. `time`, `day`, `month_start`.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "grain",
+    "timestamp_field",
+    "label",
+    "convention"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / temporal

Added value: +{
+  "$ref": "#/$defs/Temporal",
+  "default": {
+    "convention": "",
+    "grain": "",
+    "label": "",
+    "timestamp_field": ""
+  },
+  "description": "Machine-readable timestamp/interval contract: what the label marks and\nhow to join without leaking the future. Defaulted so snapshots predating\nthe field still deserialize."
+}

Changed4 schema fields changedJul 7, 2026

addedOutput schema / properties / direct_answer

Added value: +{
+  "default": "",
+  "description": "40-60 word keyword-first lead answer — the definitional \"what is this\"\nblurb, and the strongest AI-citation extraction target. Defaulted for\nforward/backward compatibility with snapshots predating the field.",
+  "type": "string"
+}

addedOutput schema / properties / keywords

Added value: +{
+  "default": [],
+  "description": "Per-dataset discovery keywords (schema.org keywords on the web).",
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}

addedOutput schema / properties / seo_title

Added value: +{
+  "default": "",
+  "description": "Keyword-first SEO title tag (web `<title>`). Defaulted so older snapshots\nwithout the field still deserialize.",
+  "type": "string"
+}

addedOutput schema / properties / use_case

Added value: +{
+  "default": "",
+  "description": "One-line \"what you'd use it for\" (buyer-intent) copy.",
+  "type": "string"
+}

First observedJul 6, 2026

TDQS

Score is being calculated.

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