Unlike traditional logs (or traces), which can be hard to interpret for LLM applications, LangSmith makes it easy to explore and debug with an intuitive, purpose-built UX.
Learn about the different types of runs you can create while tracing in LangSmith—and how they help you
@langchain
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LangSmith Tracing: Exploring Run Types for LLM Debugging
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Securing Agents: Authentication and Authorization Implementation Guide
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Agents don’t just chat — they act by fetching data, sending messages, calling APIs, and updating records, which makes securing them a whole new challenge. Our latest blog post breaks down how to implement authentication and authorization for agents. In this blog post, learn
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ScrapeCraft: AI-Powered Web Scraping with LangGraph
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ScrapeCraft: AI-Powered Scraping ScrapeCraft uses LangGraph to combine AI assistance with powerful web scraping. Features include bulk URL scraping, real-time data streaming, and AI-powered pipeline generation. Explore the project on GitHub! https://
github.com/ScrapeGraphAI/
scrapecraft
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Advanced Stock Research Agent with LangChain DeepAgents
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Advanced Stock Research Agent A multi-agent system built with LangChain's DeepAgents that delivers professional stock analysis by combining real-time data, technical indicators, and financial examination. Check it out here https://
medium.com/@sagarnreddy/i
-built-a-research-agent-like-claudes-analysis-tools-using-langchain-deepagents-795f51a3a63f
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LangCode CLI: AI-Powered Development Tool with Intelligent Model Routing
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LangCode CLI A powerful dev tool that unifies AI models for smart coding. Built with LangChain, it offers automated tasks and safe code changes through intelligent model routing and diff previews. Check it out! https://
github.com/zamalali/langc
hain-code
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AI Travel Agent: Intelligent Assistant with Real-Time Information Integration
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AI Travel Agent An intelligent travel assistant that integrates real-time weather, search, and travel information. Leveraging multiple APIs, it streamlines everything from weather updates to currency conversion. Explore the guide on GitHub https://
github.com/ashumishra2104
/AI_Travel_agent_Streamlit
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BLAST: High-Performance AI Web Browser Engine with OpenAI-Compatible Interface
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BLAST: AI Web Browser Engine A high-performance serving engine that adds web browsing to AI applications. BLAST provides an OpenAI-compatible interface with automatic parallelization, intelligent caching, and real-time streaming support. Explore this open-source project
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GraphQA: Natural Language Graph Analysis with LangChain
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GraphQA Transform graph analysis into natural conversations with this NetworkX and LangChain-powered framework. Ask questions in plain English and let GraphQA select and execute the right algorithms, handling graphs up to 100K+ nodes. Check it out
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Last Chance: Context Engineering Webinar with LangChain and Manus
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Last Chance to Join: Context Engineering with LangChain & @manusai This webinar brings together @RLanceMartin Martin (Founding Engineer, LangChain) and Yichao “Peak” Ji (Co-founder & Chief Scientist, Manus; MIT Innovator Under 35) to share practical best practices in
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Custom JavaScript Code Evals Now Available for Faster Evaluation
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You can now write custom code evals in JavaScript in addition to Python, giving you more flexibility and speed in your evaluation workflows. With JS code evals, get:
— LangChain (@LangChain) 10 octobre 2025
⚡️ Faster execution to reduce evaluation time and speed up your development
🔧 Work in your preferred stack:… pic.twitter.com/LITheqg1SwYou can now write custom code evals in JavaScript in addition to Python, giving you more flexibility and speed in your evaluation workflows. With JS code evals, get: Faster execution to reduce evaluation time and speed up your development Work in your preferred stack: