tessera.kbates9611.chatgpt.site
Tessera turns governed monthly data into decision-ready dashboards.
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 5 · Act 59 · Transact 0 · Score: Not yet scored
Tool inspector
add_grouped_bar_chart
Create a grouped vertical bar chart for comparing two to four measures across the same categories. Use exact dataset field names from inspect_project, keep the legend visible, and use barColorOverrides for a surgical category/series color change. MODEL GUIDANCE: Use for two to four directly comparable measures across the same categories. Keep a stable series order and avoid a crowded legend or too many groups.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
dashboardId |
string | no | Dashboard ID; defaults to active |
placeholderId |
string | no | Optional unfinished tile ID to fulfill in place while preserving its position and size |
width |
number | no | Preferred grid width when snapping beside the preceding tool-added card. A card that starts a new row expands to the full 12 columns. |
minHeight |
number | no | Minimum block height |
accent |
string | no | Accent color. Card surfaces are always white; use the accent for meaning only: #1f7a4d met, #b42318 missed, #b7791f at risk, #1478ff the one item to emphasize. |
textColor |
string | no | Text color |
alignH |
string | no | Horizontal alignment |
alignV |
string | no | Vertical alignment |
fontScale |
number | no | Type scale percent |
padding |
number | no | Inner padding |
cornerRadius |
number | no | Corner radius |
border |
boolean | no | Show border |
shadow |
string | no | Shadow depth |
title |
string | yes | Short, specific chart title that states the measure |
subtitle |
string | no | Optional context, scope, time period, or concise takeaway |
datasetId |
string | yes | Exact dataset ID returned by inspect_project |
period |
string | no | Dataset period: latest, all, or an available YYYY-MM value |
categoryField |
string | yes | Exact field whose row values become category labels |
valueFields |
array | yes | Two to four numeric fields, in legend and left-to-right bar order. Use colors in the same order. |
showValues |
boolean | no | Show a formatted value above every bar; best for small category counts |
showLegend |
boolean | no | Show the series legend (recommended for grouped bars) |
legendPosition |
string | no | Series legend position |
sortOrder |
string | no | Category order: source preserves the dataset; ascending/descending ranks by the first value series |
valueFormat |
string | no | Value and axis number format |
decimalPlaces |
number | no | Displayed decimal places |
colors |
array | no | Series colors in valueFields order. Each item is a six-digit hex color. |
barColorOverrides |
array | no | Targeted bar colors. Each item recolors one exact category label; include series only to target one bar inside a grouped category. Send the complete desired override list. Use [] to clear all overrides. |
seriesOpacity |
number | no | Bar opacity |
barRadius |
number | no | Bar corner radius in pixels |
barGap |
number | no | Percent of each category slot left empty; lower values make wider bars |
showGridlines |
boolean | no | Show horizontal value gridlines |
showXAxis |
boolean | no | Show category labels and the x-axis |
showYAxis |
boolean | no | Show numeric y-axis labels |
showAverageLine |
boolean | no | Show the mean as a guide line |
showMinLine |
boolean | no | Show the minimum as a guide line |
showMaxLine |
boolean | no | Show the maximum as a guide line |
showReferenceLine |
boolean | no | Show the custom referenceValue and referenceLabel |
referenceValue |
number | no | Custom benchmark or target; supplying it also enables the reference line |
referenceLabel |
string | no | Short label for the custom benchmark, such as Target or Plan |
xAxisTitle |
string | no | Optional category-axis title |
yAxisTitle |
string | no | Optional value-axis title with units |
minY |
number | no | Optional fixed y-axis minimum. Omit for an honest automatic baseline. |
maxY |
number | no | Optional fixed y-axis maximum. Omit for automatic headroom. |
Raw JSON schema
{
"type": "object",
"properties": {
"dashboardId": {
"type": "string",
"description": "Dashboard ID; defaults to active",
"maxLength": 8000
},
"placeholderId": {
"type": "string",
"description": "Optional unfinished tile ID to fulfill in place while preserving its position and size",
"maxLength": 8000
},
"width": {
"type": "number",
"description": "Preferred grid width when snapping beside the preceding tool-added card. A card that starts a new row expands to the full 12 columns.",
"enum": [
3,
4,
5,
6,
7,
8,
9,
10,
11,
12
]
},
"minHeight": {
"type": "number",
"description": "Minimum block height",
"minimum": 60,
"maximum": 900
},
"accent": {
"type": "string",
"description": "Accent color. Card surfaces are always white; use the accent for meaning only: #1f7a4d met, #b42318 missed, #b7791f at risk, #1478ff the one item to emphasize.",
"maxLength": 8000,
"pattern": "^#[0-9A-Fa-f]{6}$"
},
"textColor": {
"type": "string",
"description": "Text color",
"maxLength": 8000,
"pattern": "^#[0-9A-Fa-f]{6}$"
},
"alignH": {
"type": "string",
"description": "Horizontal alignment",
"enum": [
"left",
"center",
"right"
]
},
"alignV": {
"type": "string",
"description": "Vertical alignment",
"enum": [
"top",
"middle",
"bottom"
]
},
"fontScale": {
"type": "number",
"description": "Type scale percent",
"minimum": 75,
"maximum": 160
},
"padding": {
"type": "number",
"description": "Inner padding",
"minimum": 0,
"maximum": 64
},
"cornerRadius": {
"type": "number",
"description": "Corner radius",
"minimum": 0,
"maximum": 40
},
"border": {
"type": "boolean",
"description": "Show border"
},
"shadow": {
"type": "string",
"description": "Shadow depth",
"enum": [
"none",
"soft",
"raised"
]
},
"title": {
"type": "string",
"description": "Short, specific chart title that states the measure",
"maxLength": 8000
},
"subtitle": {
"type": "string",
"description": "Optional context, scope, time period, or concise takeaway",
"maxLength": 8000
},
"datasetId": {
"type": "string",
"description": "Exact dataset ID returned by inspect_project",
"maxLength": 8000
},
"period": {
"type": "string",
"description": "Dataset period: latest, all, or an available YYYY-MM value",
"maxLength": 8000
},
"categoryField": {
"type": "string",
"description": "Exact field whose row values become category labels",
"maxLength": 8000
},
"valueFields": {
"type": "array",
"description": "Two to four numeric fields, in legend and left-to-right bar order. Use colors in the same order.",
"items": {
"type": "string",
"description": "Exact numeric field name returned by inspect_project",
"maxLength": 8000
},
"maxItems": 4,
"minItems": 2
},
"showValues": {
"type": "boolean",
"description": "Show a formatted value above every bar; best for small category counts"
},
"showLegend": {
"type": "boolean",
"description": "Show the series legend (recommended for grouped bars)"
},
"legendPosition": {
"type": "string",
"description": "Series legend position",
"enum": [
"top",
"bottom",
"right"
]
},
"sortOrder": {
"type": "string",
"description": "Category order: source preserves the dataset; ascending/descending ranks by the first value series",
"enum": [
"source",
"ascending",
"descending"
]
},
"valueFormat": {
"type": "string",
"description": "Value and axis number format",
"enum": [
"auto",
"number",
"compact",
"percent",
"currency"
]
},
"decimalPlaces": {
"type": "number",
"description": "Displayed decimal places",
"minimum": 0,
"maximum": 6
},
"colors": {
"type": "array",
"description": "Series colors in valueFields order. Each item is a six-digit hex color.",
"items": {
"type": "string",
"description": "Six-digit hex color",
"maxLength": 8000,
"pattern": "^#[0-9A-Fa-f]{6}$"
},
"maxItems": 4,
"minItems": 1
},
"barColorOverrides": {
"type": "array",
"description": "Targeted bar colors. Each item recolors one exact category label; include series only to target one bar inside a grouped category. Send the complete desired override list. Use [] to clear all overrides.",
"items": {
"type": "object",
"properties": {
"category": {
"type": "string",
"description": "Exact rendered category label, matched case-sensitively",
"maxLength": 8000,
"pattern": ".*\\S.*"
},
"series": {
"type": "string",
"description": "Optional exact value field; omit to recolor this category in every series",
"maxLength": 8000,
"pattern": ".*\\S.*"
},
"color": {
"type": "string",
"description": "Six-digit hex color",
"maxLength": 8000,
"pattern": "^#[0-9A-Fa-f]{6}$"
}
},
"required": [
"category",
"color"
],
"additionalProperties": false
},
"maxItems": 100
},
"seriesOpacity": {
"type": "number",
"description": "Bar opacity",
"minimum": 0.1,
"maximum": 1
},
"barRadius": {
"type": "number",
"description": "Bar corner radius in pixels",
"minimum": 0,
"maximum": 20
},
"barGap": {
"type": "number",
"description": "Percent of each category slot left empty; lower values make wider bars",
"minimum": 0,
"maximum": 70
},
"showGridlines": {
"type": "boolean",
"description": "Show horizontal value gridlines"
},
"showXAxis": {
"type": "boolean",
"description": "Show category labels and the x-axis"
},
"showYAxis": {
"type": "boolean",
"description": "Show numeric y-axis labels"
},
"showAverageLine": {
"type": "boolean",
"description": "Show the mean as a guide line"
},
"showMinLine": {
"type": "boolean",
"description": "Show the minimum as a guide line"
},
"showMaxLine": {
"type": "boolean",
"description": "Show the maximum as a guide line"
},
"showReferenceLine": {
"type": "boolean",
"description": "Show the custom referenceValue and referenceLabel"
},
"referenceValue": {
"type": "number",
"description": "Custom benchmark or target; supplying it also enables the reference line"
},
"referenceLabel": {
"type": "string",
"description": "Short label for the custom benchmark, such as Target or Plan",
"maxLength": 8000
},
"xAxisTitle": {
"type": "string",
"description": "Optional category-axis title",
"maxLength": 8000
},
"yAxisTitle": {
"type": "string",
"description": "Optional value-axis title with units",
"maxLength": 8000
},
"minY": {
"type": "number",
"description": "Optional fixed y-axis minimum. Omit for an honest automatic baseline."
},
"maxY": {
"type": "number",
"description": "Optional fixed y-axis maximum. Omit for automatic headroom."
}
},
"required": [
"title",
"datasetId",
"categoryField",
"valueFields"
],
"additionalProperties": false
}
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