langchain

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0 4/10
Same Chat App, 4 Frameworks: Pydantic AI vs. LangChain vs. LangGraph vs. CrewAI
tutorial

Side-by-side code comparison of implementing the same chat application with tool-calling and streaming across four AI frameworks (Pydantic AI, LangChain, LangGraph, CrewAI), showing implementation complexity and design patterns from ~160 to ~420 lines.

ai-frameworks langchain langgraph pydantic-ai crewai code-comparison llm-agents tool-calling fastapi websocket async-python
Pydantic AI LangChain LangGraph CrewAI FastAPI Next.js PostgreSQL OpenAI Vstorm OSS
oss.vstorm.co · kacper-vstorm · 16 hours ago · details · hn
0 7/10
Mapping production AI agents to IAM roles, tools, and network exposure
research

Introduces an open-source approach using Cartography to map production AI agents to their IAM roles, declared tools, models, and network exposure in AWS infrastructure. Provides graph-based queries and methodology to discover which agents are internet-reachable and what permissions they hold, addressing a critical gap in AI security visibility.

ai-agent-security iam-mapping cloud-security container-security aws-security threat-modeling infrastructure-graph agent-discovery network-exposure cartography aibom governance ecs ecr langchain pydantic-ai
Cartography Alex Chantavy Cisco AIBOM AWS ECS AWS ECR AWS IAM pydantic_ai langchain OpenAI EU AI Act NIST AI RMF
cartography.dev · alexchantavy · 1 day ago · details · hn