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| 1 | +# AgentCore Memory Session Manager |
| 2 | + |
| 3 | +{{ community_contribution_banner }} |
| 4 | + |
| 5 | +The [AgentCore Memory Session Manager](https://github.com/aws/bedrock-agentcore-sdk-python/tree/main/src/bedrock_agentcore/memory/integrations/strands) leverages Amazon Bedrock AgentCore Memory to provide advanced memory capabilities with intelligent retrieval for Strands Agents. It supports both short-term memory (STM) for conversation persistence and long-term memory (LTM) with multiple strategies for learning user preferences, facts, and session summaries. |
| 6 | + |
| 7 | +## Installation |
| 8 | + |
| 9 | +```bash |
| 10 | +pip install 'bedrock-agentcore[strands-agents]' |
| 11 | +``` |
| 12 | + |
| 13 | +## Usage |
| 14 | + |
| 15 | +### Basic Setup (Short-Term Memory) |
| 16 | + |
| 17 | +```python |
| 18 | +from strands import Agent |
| 19 | +from bedrock_agentcore.memory import MemoryClient |
| 20 | +from bedrock_agentcore.memory.integrations.strands.config import AgentCoreMemoryConfig |
| 21 | +from bedrock_agentcore.memory.integrations.strands.session_manager import AgentCoreMemorySessionManager |
| 22 | +from datetime import datetime |
| 23 | + |
| 24 | +# Create a basic memory for short-term functionality |
| 25 | +client = MemoryClient(region_name="us-east-1") |
| 26 | +basic_memory = client.create_memory( |
| 27 | + name="BasicTestMemory", |
| 28 | + description="Basic memory for testing short-term functionality" |
| 29 | +) |
| 30 | + |
| 31 | +# Configure memory |
| 32 | +agentcore_memory_config = AgentCoreMemoryConfig( |
| 33 | + memory_id=basic_memory.get('id'), |
| 34 | + session_id=f"session_{datetime.now().strftime('%Y%m%d%H%M%S')}", |
| 35 | + actor_id=f"user_{datetime.now().strftime('%Y%m%d%H%M%S')}" |
| 36 | +) |
| 37 | + |
| 38 | +# Create session manager |
| 39 | +session_manager = AgentCoreMemorySessionManager( |
| 40 | + agentcore_memory_config=agentcore_memory_config, |
| 41 | + region_name="us-east-1" |
| 42 | +) |
| 43 | + |
| 44 | +# Create agent |
| 45 | +agent = Agent( |
| 46 | + system_prompt="You are a helpful assistant. Use all you know about the user to provide helpful responses.", |
| 47 | + session_manager=session_manager, |
| 48 | +) |
| 49 | + |
| 50 | +# Use the agent - conversations are persisted with intelligent retrieval |
| 51 | +agent("I like sushi with tuna") |
| 52 | +agent("What should I buy for lunch today?") # Agent remembers preferences |
| 53 | +``` |
| 54 | + |
| 55 | +### Advanced Setup (Long-Term Memory) |
| 56 | + |
| 57 | +For more sophisticated memory capabilities, create a memory with multiple strategies: |
| 58 | + |
| 59 | +```python |
| 60 | +from bedrock_agentcore.memory.integrations.strands.config import RetrievalConfig |
| 61 | + |
| 62 | +# Create comprehensive memory with all built-in strategies |
| 63 | +comprehensive_memory = client.create_memory_and_wait( |
| 64 | + name="ComprehensiveAgentMemory", |
| 65 | + description="Full-featured memory with all built-in strategies", |
| 66 | + strategies=[ |
| 67 | + { |
| 68 | + "summaryMemoryStrategy": { |
| 69 | + "name": "SessionSummarizer", |
| 70 | + "namespaces": ["/summaries/{actorId}/{sessionId}"] |
| 71 | + } |
| 72 | + }, |
| 73 | + { |
| 74 | + "userPreferenceMemoryStrategy": { |
| 75 | + "name": "PreferenceLearner", |
| 76 | + "namespaces": ["/preferences/{actorId}"] |
| 77 | + } |
| 78 | + }, |
| 79 | + { |
| 80 | + "semanticMemoryStrategy": { |
| 81 | + "name": "FactExtractor", |
| 82 | + "namespaces": ["/facts/{actorId}"] |
| 83 | + } |
| 84 | + } |
| 85 | + ] |
| 86 | +) |
| 87 | + |
| 88 | +# Configure with multiple namespace retrieval |
| 89 | +config = AgentCoreMemoryConfig( |
| 90 | + memory_id=comprehensive_memory.get('id'), |
| 91 | + session_id=f"session_{datetime.now().strftime('%Y%m%d%H%M%S')}", |
| 92 | + actor_id=f"user_{datetime.now().strftime('%Y%m%d%H%M%S')}", |
| 93 | + retrieval_config={ |
| 94 | + "/preferences/{actorId}": RetrievalConfig( |
| 95 | + top_k=5, |
| 96 | + relevance_score=0.7 |
| 97 | + ), |
| 98 | + "/facts/{actorId}": RetrievalConfig( |
| 99 | + top_k=10, |
| 100 | + relevance_score=0.3 |
| 101 | + ), |
| 102 | + "/summaries/{actorId}/{sessionId}": RetrievalConfig( |
| 103 | + top_k=5, |
| 104 | + relevance_score=0.5 |
| 105 | + ) |
| 106 | + } |
| 107 | +) |
| 108 | + |
| 109 | +session_manager = AgentCoreMemorySessionManager(config, region_name='us-east-1') |
| 110 | +agent = Agent(session_manager=session_manager) |
| 111 | +``` |
| 112 | + |
| 113 | +## Configuration |
| 114 | + |
| 115 | +### Memory Strategies |
| 116 | + |
| 117 | +AgentCore Memory supports three built-in strategies: |
| 118 | + |
| 119 | +1. **summaryMemoryStrategy**: Automatically summarizes conversation sessions for efficient context retrieval |
| 120 | +2. **userPreferenceMemoryStrategy**: Learns and stores user preferences across sessions |
| 121 | +3. **semanticMemoryStrategy**: Extracts and stores factual information from conversations |
| 122 | + |
| 123 | +### AgentCoreMemoryConfig Parameters |
| 124 | + |
| 125 | +- `memory_id`: ID of the Bedrock AgentCore Memory resource |
| 126 | +- `session_id`: Unique identifier for the conversation session |
| 127 | +- `actor_id`: Unique identifier for the user/actor |
| 128 | +- `retrieval_config`: Dictionary mapping namespaces to RetrievalConfig objects |
| 129 | + |
| 130 | +### RetrievalConfig Parameters |
| 131 | + |
| 132 | +- `top_k`: Number of top results to retrieve (default: 5) |
| 133 | +- `relevance_score`: Minimum relevance threshold (0.0-1.0) |
| 134 | + |
| 135 | +### Namespace Patterns |
| 136 | + |
| 137 | +- `/preferences/{actorId}`: User-specific preferences across sessions |
| 138 | +- `/facts/{actorId}`: User-specific factual information |
| 139 | +- `/summaries/{actorId}/{sessionId}`: Session-specific conversation summaries |
| 140 | + |
| 141 | +## Important Notes |
| 142 | + |
| 143 | +> **Session Limitations:** Currently, only **one** agent per session is supported when using AgentCoreMemorySessionManager. Creating multiple agents with the same session will show a warning. |
| 144 | + |
| 145 | +## Resources |
| 146 | + |
| 147 | +- **GitHub**: [bedrock-agentcore-sdk-python](https://github.com/aws/bedrock-agentcore-sdk-python/) |
| 148 | +- **Documentation**: [Strands Integration Examples](https://github.com/aws/bedrock-agentcore-sdk-python/tree/main/src/bedrock_agentcore/memory/integrations/strands) |
| 149 | +- **Issues**: Report bugs and feature requests in the [bedrock-agentcore-sdk-python repository](https://github.com/aws/bedrock-agentcore-sdk-python/issues/new/choose) |
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