data-canvas.madansapkota.com

{
  "name": "get_workspace",
  "kind": "answer",
  "impl": "imperative",
  "description": "Start here. Returns the current revision and the IDs of datasets, relationships, visualizations, filters, metrics, and selections, without row values. Most other tools need IDs from this call. When a section total exceeds the entries returned, call again with section plus offset to reach the rest. Call it after a write to confirm the result and get the revision for the next expectedRevision. A changed toolContractVersion means argument shapes changed. Column names come from get_dataset_schema.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "section": {
        "type": "string",
        "enum": [
          "datasets",
          "relationships",
          "visualizations",
          "filters",
          "metrics",
          "selections"
        ],
        "description": "Return only this section, paged with offset and limit, when the overview reports more entries than it returned. Omit for all sections."
      },
      "offset": {
        "type": "integer",
        "minimum": 0,
        "description": "Index of the first entry to return from section. Defaults to 0."
      },
      "limit": {
        "type": "integer",
        "minimum": 1,
        "maximum": 50,
        "description": "Maximum entries to return from section. Defaults to 25."
      }
    },
    "required": [],
    "additionalProperties": false
  }
}

{
  "name": "clear_selection",
  "kind": "act",
  "impl": "imperative",
  "description": "Remove the row emphasis created by highlight_selection, returning every chart to its unselected state. Pass a datasetId to clear one dataset, or omit it to clear every selection, including one a human made. This affects highlighting only and never removes filters; use clear_filters for those.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "datasetId": {
        "type": "string",
        "minLength": 1,
        "maxLength": 100,
        "description": "Clears only the selection on this dataset. Omit to clear every selection in the workspace, including one a human made."
      },
      "expectedRevision": {
        "type": "integer",
        "minimum": 0,
        "description": "Revision from get_workspace this call assumes. Fails with STALE_WORKSPACE_REVISION if it moved on. Omit to apply unconditionally."
      }
    },
    "additionalProperties": false
  }
}

{
  "name": "undo",
  "kind": "act",
  "impl": "imperative",
  "description": "Reverse the most recent reversible workspace change, whether a human or agent made it. Each call steps back one action, so call it repeatedly to unwind several. Prefer a targeted correction such as update_visualization or clear_filters when you know what to change, because undo may revert a later human edit.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "expectedRevision": {
        "type": "integer",
        "minimum": 0,
        "description": "Revision from get_workspace this call assumes. Fails with STALE_WORKSPACE_REVISION if it moved on, so a later edit is not reverted by mistake."
      }
    },
    "additionalProperties": false
  }
}

{
  "name": "redo",
  "kind": "act",
  "impl": "imperative",
  "description": "Reapply the change most recently reversed by undo. Use it only after undo. A new workspace change clears the redo history.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "expectedRevision": {
        "type": "integer",
        "minimum": 0,
        "description": "Revision from get_workspace this call assumes. Fails with STALE_WORKSPACE_REVISION if it moved on, so a later edit is not reverted by mistake."
      }
    },
    "additionalProperties": false
  }
}