Tool reference

Tool names are exposed as snake case (for example bar_chart).

Public chart tools

Tool	Purpose	Status
`bar_chart`	Create or update bar/column charts	Available
`line_chart`	Create or update line/index charts	Available
`area_chart`	Create or update area/100% area charts	Available
`waterfall_chart`	Create or update waterfall charts	Available
`combined_chart`	Create or update combined bar/line charts	Available
`pie_donut_chart`	Create or update pie/donut charts	Available
`scatter_bubble_chart`	Create or update scatter/bubble charts	Available
`mekko_chart`	Create or update mekko/marimekko charts	Available
`dumbbell_chart`	Create or update dumbbell charts	Available

Tool	Purpose	Status
`change_active_chart_rules`	Replace all chart rules for an asset	Available
`change_active_chart_annotations`	Replace all chart annotations for an asset	Available
`fetch_latest_asset`	Fetch latest asset state from an `assetId`	Available
`get_project_changes`	Get commit diff from `assetCommit` to latest	Available
`submit_feedback`	Send tool/user feedback metadata	Available

Tool	Purpose	Status
`table`	Create table assets	Not implemented
`gantt`	Create gantt assets	Not implemented

Tool	Purpose	Status
`push_asset`	Internal fullscreen editor push/update flow	Private (not for normal agent usage)

These methods exist in code but are not registered as MCP tools:

Most chart creation/update tools return:

They also return a chart screenshot and chart project payload metadata.

Tool schemas reject unknown properties
Discriminated unions must use valid type fields such as annotationType, ruleType, and chart-specific union type values
Invalid schemas return MCP tool errors

If you change core chart type families or orientation, create a new asset instead of reusing the same assetId.