Show chart MCP tool
Render a read-only inline chart as a standard `trend`, `comparison`, or `leaderboard` view from structured rows and series data.
- MCP tool name:
Show_Chart - Returns: Show chart MCP response
- Annotations: Read only, not destructive, idempotent, closed world
- Surfaces: GovTribe AI
Examples
Use charts when the user needs a compact visual for trends, comparisons, or ranked leaders. Use Show_Stats_Display for KPI cards instead.
Show monthly obligated dollars as a trend
{
"tool": "Show_Chart",
"arguments": {
"id": "monthly-obligations-trend",
"kind": "trend",
"title": "Monthly obligated dollars",
"description": "Recent award activity for the selected market.",
"rows": [
{
"month": "2026-01",
"monthLabel": "Jan",
"obligations": 12500000
},
{
"month": "2026-02",
"monthLabel": "Feb",
"obligations": 18200000
},
{
"month": "2026-03",
"monthLabel": "Mar",
"obligations": 16400000
}
],
"labelKey": "monthLabel",
"fullLabelKey": "month",
"series": [
{
"key": "obligations",
"label": "Obligations"
}
],
"valueFormat": {
"kind": "currency",
"currency": "USD",
"compact": true
},
"footnote": "Source: GovTribe award search rollup."
}
}Show top awardees as a leaderboard
{
"tool": "Show_Chart",
"arguments": {
"id": "top-awardees-leaderboard",
"kind": "leaderboard",
"title": "Top awardees by obligated dollars",
"rows": [
{
"vendor": "Example Systems LLC",
"obligations": 42000000
},
{
"vendor": "Modernization Partners Inc.",
"obligations": 27500000
},
{
"vendor": "Secure Mission Group",
"obligations": 18800000
}
],
"labelKey": "vendor",
"series": [
{
"key": "obligations",
"label": "Obligations"
}
],
"valueFormat": {
"kind": "currency",
"currency": "USD",
"compact": true
},
"maxItems": 10
}
}Payload patterns
Rows can use caller-defined keys, but every row must include the configured labelKey and every series.key.
Compare pipeline value and likely value by stage
{
"tool": "Show_Chart",
"arguments": {
"id": "pipeline-stage-comparison",
"kind": "comparison",
"title": "Pipeline by stage",
"rows": [
{
"stage": "Qualify",
"pipelineValue": 12500000,
"likelyValue": 3500000
},
{
"stage": "Pursue",
"pipelineValue": 8700000,
"likelyValue": 4200000
}
],
"labelKey": "stage",
"series": [
{
"key": "pipelineValue",
"label": "Pipeline value"
},
{
"key": "likelyValue",
"label": "Likely value"
}
],
"valueFormat": {
"kind": "currency",
"currency": "USD",
"compact": true
}
}
}Related articles
- Show chart MCP response: Review the response shape returned by this tool.
- GovTribe AI: Review the GovTribe AI surface where this tool can be called.
Search vendors
Searches GovTribe vendor records and returns vendor profiles with identifiers, certifications, and related awards or grants.
Show document
Preview a GovTribe user file or government file in an interactive document viewer. Optionally enable document annotations so the user can mark up a WebViewer document and submit normalized annotation state back through Interaction_State without modifying the source file.