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AcpUI: A Local Agentic Workflow IDE Supporting Multiple ACP Providers

AcpUI is an open-source local Web UI IDE designed specifically for Agentic workflows, supporting one or more ACP providers and offering a unified chat experience, canvas workspace, and tool orchestration capabilities.

ACPAgentic WorkflowAI AgentWeb IDELocal AIMulti-providerOpen Source
Published 2026-05-30 03:45Recent activity 2026-05-30 03:48Estimated read 5 min
AcpUI: A Local Agentic Workflow IDE Supporting Multiple ACP Providers
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Section 01

AcpUI: Introduction to the Local Agentic Workflow IDE Supporting Multiple ACP Providers

AcpUI is an open-source local Web UI IDE designed specifically for Agentic workflows and supports multiple ACP providers. Its core features include provider agnosticism (switch backends with a single configuration), local operation to generate ACP daemon processes, unified chat experience, canvas workspace, and tool orchestration capabilities, with a focus on reliability and local security.

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Section 02

AcpUI Project Background and Overview

Basic Information

Project Overview

A lightweight, high-performance Web UI designed specifically for ACP AI agents. It runs locally to parse JSON-RPC streams into a unified timeline, integrates tools like chat interface, canvas, and terminal, and is strictly provider-agnostic (switch backends via a single configuration directory).

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Section 03

AcpUI Layered Architecture Design

Frontend Layer

Built with React+Vite+Zustand, dynamically fetches brand/model information, with zero hard-coded provider references.

Backend Layer

Node.js+Express+Socket.IO, core components: general ACP client, session management, SQLite persistence, Stdio MCP proxy.

Provider Layer

Innovative design: each directory contains provider.json (protocol identity), branding.json (UI labels), etc. Pop-up reports for loading errors.

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Section 04

AcpUI Core Functional Capabilities

Provider-Agnostic Runtime

Multi-provider concurrency, dynamic configuration loading, thread-safe context.

Unified Chat Experience

Unified timeline, streaming transmission, chat branching/merging, voice input (requires whisper.cpp).

Canvas and Workspace

Monaco editing, terminal, Git view, diff rendering, file browser.

Tool Orchestration

Stdio proxy, Shell command control, sub-agent orchestration, multi-perspective consultation, IO tools, Google search grounding (requires API).

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Section 05

Runtime Flow and Security Assurance

Runtime Flow

UI → Backend → ACP Daemon → Backend → UI, with simultaneous interaction with storage and MCP proxy.

Security and Reliability

Local CORS policy, sensitive command approval, automatic restart backoff, SQLite data persistence.

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Section 06

AcpUI Application Scenarios

  1. Local AI Development (Multi-provider Model Comparison)
  2. Agent Workflow Prototype Design
  3. Team Collaboration (Unified Interface Lowers Barriers)
  4. Privacy Scenarios (Local Operation, No Data Leaving the Device)
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Section 07

AcpUI Value Summary

Represents a new paradigm of provider-agnostic, local-first AI agent interaction. It integrates multiple ACP providers into a unified IDE, with an architecture that balances scalability, reliability, and security, making it an ideal choice for Agentic workflow development.