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Python: add Amazon Bedrock Knowledge Base context provider #9782

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Python: add Amazon Bedrock Knowledge Base context provider
PVidyadhar Oct 28, 2026
7ead64f
Python: fix KB min_score with agentic results; align region precedenc…
PVidyadhar Oct 28, 2026
8229f1e
Bedrock KB: unique tool names, image injection, strict typing
PVidyadhar Oct 28, 2026
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2 changes: 2 additions & 0 deletions python/packages/bedrock/AGENTS.md
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ Integration with AWS Bedrock for LLM inference.
- **`BedrockChatOptions`** - Options TypedDict for Bedrock-specific parameters
- **`BedrockGuardrailConfig`** - Configuration for Bedrock guardrails
- **`BedrockSettings`** - Pydantic settings for Bedrock configuration
- **`BedrockKnowledgeBaseProvider`** - The public entry point for using an Amazon Bedrock Knowledge Base with an agent. A single `ContextProvider` with a `mode`: `"inject"` (inject retrieved passages as context), `"tool"` (expose a KB search tool the model can call), or `"both"` (default). Uses agentic retrieval (query decomposition + managed reranking) with fallback to standard Retrieve, injects retrieved images as image `Content` (gif/jpeg/png/webp), and uses the transcription/summary text of audio/video results.
- **`BedrockKnowledgeBaseSettings`** - Settings TypedDict for KB region/credentials resolution (`BEDROCK_*`)

## Usage

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7 changes: 7 additions & 0 deletions python/packages/bedrock/README.md
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Expand Up @@ -17,3 +17,10 @@ See the [Bedrock sample](../../samples/02-agents/providers/amazon/bedrock_chat_c
- Loads credentials from the `BEDROCK_*` environment variables
- Instantiates `BedrockChatClient`
- Sends a simple conversation turn and prints the response

### Knowledge Base Examples

For Amazon Bedrock managed Knowledge Base retrieval, use `BedrockKnowledgeBaseProvider`. Its `mode` selects `"inject"` (inject KB context automatically), `"tool"` (expose a KB search tool the agent calls on demand), or `"both"` (default). See:

- [`bedrock_kb_tool.py`](../../samples/02-agents/providers/amazon/bedrock_kb_tool.py) — `BedrockKnowledgeBaseProvider(mode="tool")`: the agent searches the KB on demand.
- [`bedrock_kb_context_provider.py`](../../samples/02-agents/providers/amazon/bedrock_kb_context_provider.py) — `BedrockKnowledgeBaseProvider(mode="inject")`: KB context is injected automatically.
4 changes: 4 additions & 0 deletions python/packages/bedrock/agent_framework_bedrock/__init__.py
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Expand Up @@ -4,6 +4,8 @@

from ._chat_client import BedrockChatClient, BedrockChatOptions, BedrockGuardrailConfig, BedrockSettings
from ._embedding_client import BedrockEmbeddingClient, BedrockEmbeddingOptions, BedrockEmbeddingSettings
from ._knowledge_base import BedrockKnowledgeBaseSettings
from ._knowledge_base_provider import BedrockKnowledgeBaseProvider

try:
__version__ = importlib.metadata.version(__name__)
Expand All @@ -17,6 +19,8 @@
"BedrockEmbeddingOptions",
"BedrockEmbeddingSettings",
"BedrockGuardrailConfig",
"BedrockKnowledgeBaseProvider",
"BedrockKnowledgeBaseSettings",
"BedrockSettings",
"__version__",
]
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