@ag-ui/a2ui-toolkit
Advanced tools
Framework-agnostic helpers for building A2UI subagent tools — op builders, prompt assembly, history walkers, and request/envelope orchestration shared across framework adapters.
Framework-agnostic helpers for building A2UI subagent tools.
Each per-framework adapter (LangGraph, ADK, Mastra, …) composes these helpers with its own framework-specific glue: tool decorator, runtime accessor, model binding + invoke. Nothing in this package depends on any agent framework.
A2UI_OPERATIONS_KEY, BASIC_CATALOG_ID, DEFAULT_SURFACE_ID,
GENERATE_A2UI_TOOL_NAME, GENERATE_A2UI_TOOL_DESCRIPTION,
GENERATE_A2UI_ARG_DESCRIPTIONScreateSurface, updateComponents, updateDataModelRENDER_A2UI_TOOL_DEF — JSON schema for the inner structured-output toolbuildContextPrompt, findPriorSurfacebuildSubagentPromptprepareA2UIRequest, buildA2UIEnvelopeassembleOps, wrapAsOperationsEnvelope, wrapErrorEnvelopeThe Python counterpart lives in
ag-ui-a2ui-toolkit and exposes the same
surface in snake_case.
FAQs
Framework-agnostic helpers for building A2UI subagent tools — op builders, prompt assembly, history walkers, and request/envelope orchestration shared across framework adapters.
The npm package @ag-ui/a2ui-toolkit receives a total of 328,281 weekly downloads. As such, @ag-ui/a2ui-toolkit popularity was classified as popular.
We found that @ag-ui/a2ui-toolkit demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
Research
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