LangChain OSS

Now in Deep Agents: Harness Profiles. https://lnkd.in/eCsFUueU ✅ Model-specific profiles to adjust prompts, tools, and middleware. 📦 Profiles for OpenAI, Anthropic, and Google models out of the box. 📈 A 10–20 point jump on a subset of tau2-bench over the default harness.

LangChain Community Spotlight: Distributed LangGraph Architecture with RemoteGraph 🔗 Production-ready example for distributed LangGraph apps with HTTP-invoked subgraphs. Key insight: RemoteGraph returns full state, not deltas—parents handle reducers. From Focused.io. 📦 https://lnkd.in/ggPYxyDM

LangChain Community Spotlight: Token Cost Attribution 💰 Simon Budziak shows how to track costs in multi-model pipelines using LangChain's `UsageMetadataCallbackHandler` and `get_usage_metadata_callback()`, with LangGraph for per-node tracking. Read the full guide: https://lnkd.in/g-q_UbVx

LangChain Community Spotlight: text2sql 🤖🗄️ An agentic text-to-SQL SDK built on LangChain's Deep Agents that autonomously explores schemas, writes queries, and self-corrects—achieving 100% accuracy on Spider benchmark with no RAG or pre-computed schemas. Check it out: https://lnkd.in/gmVAqvCq

LangChain Community Spotlight: Deep Agents + ACP Coding Agent 🛠️ Jacob Lee built a custom AI coding agent with Deep Agents and ACP that replaced Claude Code. Features multi-model support, LangSmith observability, and human-in-the-loop safety. Full guide: https://lnkd.in/ezP-2NVf

LangChain Community Spotlight: LLM-as-Judge in LangSmith 🎯 Simon Budziak published a technical guide on automated evaluation at scale using LangSmith's LLM-as-Judge, with 85% human alignment. Features Align Evals for self-improving calibration. 📖 Read the full guide: https://lnkd.in/gHA6MEHX

LangChain Community Spotlight: Saving $1M in LLM Costs 💰 Gustaf, an AI Engineer, shows how he reduced a production RAG chatbot's costs by 90% and improved latency by 82% through caching, intelligent routing, and LangGraph-powered context management. 📺 Watch the full breakdown: https://lnkd.in/gvJSAcwa

LangChain Community Spotlight: LangAlpha 💼 A coding tool built for Wall Street professionals, bringing AI-powered development to financial workflows. Check it out: https://lnkd.in/gTZEFywZ

🔒 Building in the enterprise? Cisco AI Defense Runtime Protection can integrate into your LangChain agents through middleware and produce a consistent runtime contract. https://lnkd.in/eEp9ymRt Cisco Senior Product Manager Siddhant Dash put together a quick look at why middleware is the right seam for agentic security, how Cisco AI Defense works with LangChain, and how you can get started today. Give it a read above!

🇮🇳 Hyderabad LangChain Community Meetup Join KnackLabs and Future AGI for a meetup on how scalable AI systems are built using RAG, agentic workflows, and production-ready architectures. What to Expect - RAG & agentic workflow deep dives - Real-world production insights - Architecture & reliability learnings - Networking with AI builders 🗓️ Saturday, April 18th | 🕜 1:30 PM | 📍 Hyderabad Big thanks to LangChain Ambassador Ravi Kiran for organizing! RSVP 👉 https://luma.com/ypzn1pfb