Skip to main content

Design system components

MCPActionButton

Button that invokes an MCP tool from chat and docs surfaces and reflects its pending, success, and error state.

Status: beta. Group: actions. Markdown version: /design-system/components/mcp-action-button.md

When to use

Action button that triggers an MCP tool invocation (chat and docs surfaces) and reflects pending/success/error state.

When not to use

The contract records no forbidden uses.

Look-alikes

The contract names no look-alike with a deciding condition.

Props

MCPActionButton props
PropTypeDefaultDescriptionRequired
toolIdstringnoneIdentifier for the MCP tool to invoke.Yes
payloadRecord<string, unknown>noneOptional payload for the MCP call.No
onExecute(input: { toolId: string; payload?: Record<string, unknown>; }) => Promise<unknown>noneAsync executor for the MCP action.No
onResult(result: unknown) => voidnoneCallback for successful results.No
onError(error: unknown) => voidnoneCallback for errors.No
childrenReact.ReactNodenoneButton label override.No

Variants

No variant dimensions and no props with a fixed set of values.

Invalid combinations

The contract records no invalid combinations.

Keyboard

The contract records no keyboard interaction.

Rules

Every item under When not to use is a MUST NOT. MUST and SHOULD follow RFC 2119.

MCPActionButton rules
LevelRuleHow it is checked
MUSTRequired stories produce no axe violations at the configured severity.Automated by npm run test:stories:matrix:ci. WCAG 2.5.8.
MUSTThe accessibility tree (role, name, state) matches the committed snapshot for every required story.Automated by npm run test:stories:matrix:ci. WCAG 1.3.1, 4.1.2.
MUSTThe component remains legible and operable under a real browser forced-colors: active pass.Automated by npm run test:stories:hc.
MUSTA human completed an end-to-end accessibility review of this component.Manual review, last on 2026-05-28.
MUST NOTMaintainers: Do not bypass design tokens or skip forced-colors verification at beta.Release review; not machine-checked.

Install and import

  • In-repo only. MCPActionButton is not exported from @digitaltableteur/react, so there is no public import path.