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29 lines
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29 lines
1005 B
Plaintext
ADK Tools Guide
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Tools are capabilities that agents can invoke during their reasoning process.
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ADK supports several types of tools:
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1. Function Tools
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Define Python functions and pass them directly to an agent.
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The function signature and docstring become the tool schema.
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2. Retrieval Tools
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- FilesRetrieval: Index and search local files using embeddings.
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Uses gemini-embedding-2-preview by default.
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- VertexAiRagRetrieval: Search Vertex AI RAG corpora.
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3. Code Execution
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Agents can generate and execute code in a sandboxed environment.
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4. Third-Party Tool Integration
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- LangchainTool: Wraps LangChain tools for use in ADK.
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- CrewaiTool: Wraps CrewAI tools for use in ADK.
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5. MCP Tools
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Connect to Model Context Protocol servers for external tool access.
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Tool Configuration:
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Tools can be configured with authentication, rate limiting, and custom
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schemas. The ToolContext provides access to session state, artifacts,
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and other contextual information during tool execution.
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