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Tool Calling

Part 3: Resilient Tool Calling — Model Context Protocol (MCP) & Sandboxing

Answer-first: Production enterprise agentic architectures secure external tool execution by adopting Anthropic’s Model Context Protocol over standardized JSON-RPC 2.0, enforcing strict Pydantic schema validation, WebAssembly runtime sandboxing, and SHA-256 idempotency caching to neutralize indirect prompt injection attacks, contain unauthorized lateral privilege escalation, and eliminate duplicate side-effect mutations across asynchronous distributed cloud microservices. Prerequisite: Advanced understanding of JSON-RPC 2.0 specifications, Linux seccomp/cgroups isolation primitives, WebAssembly execution runtimes, and distributed idempotency patterns is recommended. ...

Part 4: Active RAG & Strict Tool Calling: Connecting LLMs to Real-Time Inventory APIs

← Previous Chapter: Part 3: Qdrant Hybrid Search & RRF Optimization | Series Hub | Next Chapter: Part 5: The Self-Reflection Critique Loop → Prerequisite: Read Part 3: Optimizing Qdrant Hybrid Search: Combining Dense, Sparse Vectors & Hard Filters to understand hybrid candidate generation and pre-filtering. Answer-first: Active RAG bridges the gap between static vector embeddings and live warehouse state by executing strict JSON Schema function calls against inventory and dynamic pricing microservices. By orchestrating CloudWeGo Eino tool nodes with Sony gobreaker circuit breakers and dataloader batching, search agents verify SKU stock across 15 regional fulfillment centers in under 4ms without risking downstream cascade outages. ...