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ADK Agent
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This sample uses the Agent Development Kit (ADK) to create a simple "Expense Reimbursement" agent that is hosted as an A2A server. This agent takes text requests from the client and, if any details are missing, returns a webform for the client (or its user) to fill out. After the client fills out the form, the agent will complete the task.
#LLM
#Open Source
#AI Agents
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#UV
Features
This project provides multiple sample applications and tools that demonstrate the Agent-to-Agent (A2A) protocol in action.
Hosts
Sample apps or agents that are A2A clients that work with A2A servers.
CLI
A command line tool to interact with an A2A server.
- Specify the server location on the command line.
- The CLI client looks up the agent card and performs task completion in a loop based on command line inputs.
Orchestrator Agent
An Agent that speaks A2A and can delegate tasks to remote agents.
- Built on the Google ADK for demonstration purposes.
- Includes a Host Agent that maintains a collection of Remote Agents.
- The Host Agent is itself an agent and can delegate tasks to one or more Remote Agents.
- Each Remote Agent is an A2AClient that delegates to an A2A Server.
MultiAgent Web Host
This lives in the demo directory.
- A web app that visually shows A2A conversations with multiple agents (using the Orchestrator Agent).
- Renders text, image, and webform artifacts.
- Includes a separate tab to:
- Visualize task state and history
- Display known agent cards