|
1 | 1 | # [Sync] Multiturn |
2 | 2 |
|
3 | | -This tutorial demonstrates how to handle multiturn conversations in AgentEx agents using the Agent 2 Client Protocol (ACP). |
| 3 | +Handle multi-turn conversations in synchronous agents by manually maintaining conversation history and context between messages. |
4 | 4 |
|
5 | | -## Official Documentation |
| 5 | +## What You'll Learn |
| 6 | +- How to handle conversation history in sync agents |
| 7 | +- Building context from previous messages |
| 8 | +- The limitations of stateless multiturn patterns |
6 | 9 |
|
7 | | -[010 Multiturn](https://dev.agentex.scale.com/docs/tutorials/sync/010_multiturn) |
| 10 | +## Prerequisites |
| 11 | +- Development environment set up (see [main repo README](https://github.com/scaleapi/scale-agentex)) |
| 12 | +- Backend services running: `make dev` from repository root |
| 13 | +- Understanding of basic sync agents (see [000_hello_acp](../000_hello_acp/)) |
| 14 | + |
| 15 | +## Quick Start |
| 16 | + |
| 17 | +```bash |
| 18 | +cd examples/tutorials/00_sync/010_multiturn |
| 19 | +uv run agentex agents run --manifest manifest.yaml |
| 20 | +``` |
| 21 | + |
| 22 | +## Key Pattern |
| 23 | + |
| 24 | +Sync agents are stateless by default. To handle multi-turn conversations, you need to: |
| 25 | +1. Accept conversation history in the request |
| 26 | +2. Maintain context across messages |
| 27 | +3. Return responses that build on previous exchanges |
| 28 | + |
| 29 | +```python |
| 30 | +@acp.on_message_send |
| 31 | +async def handle_message_send(params: SendMessageParams): |
| 32 | + # Accept conversation history from client |
| 33 | + history = params.conversation_history |
| 34 | + |
| 35 | + # Build context from history |
| 36 | + context = build_context(history) |
| 37 | + |
| 38 | + # Generate response considering full context |
| 39 | + response = generate_response(params.content, context) |
| 40 | + |
| 41 | + return TextContent(author="agent", content=response) |
| 42 | +``` |
| 43 | + |
| 44 | +The handler accepts history, builds context, and returns responses that reference previous exchanges. |
| 45 | + |
| 46 | +## When to Use |
| 47 | +- Simple chatbots that need conversation memory |
| 48 | +- When client can maintain and send conversation history |
| 49 | +- Quick prototypes before building full agentic agents |
| 50 | + |
| 51 | +## Why This Matters |
| 52 | +While sync agents can handle conversations, you're responsible for managing state on the client side. This becomes complex quickly. For production conversational agents, consider agentic agents ([10_agentic/00_base/010_multiturn](../../10_agentic/00_base/010_multiturn/)) where the platform manages state automatically. |
| 53 | + |
| 54 | +**Next:** [020_streaming](../020_streaming/) - Stream responses in real-time |
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