Just wrapped our first European tour – and what a ride! Four cities, four meetups, hundreds of AI builders, and delicious food. London Paris Amsterdam Stockholm Huge shoutout to the customers and collaborators who made this tour absolutely happen: @Microsoft
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@langchain
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LangChain Completes First European Tour Across Four Cities
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PagerDuty AI Agent Enables Natural Language Incident Data Queries
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At @pagerduty, Jouella Fabe (Senior Software Engineer) and her team built an AI agent that transforms how teams work with incident data. Instead of navigating dashboards, teams can now query incidents in natural language— with memory, context, and safety checks built in.
— LangChain (@LangChain) 15 septembre 2025
This… pic.twitter.com/LFLU3uXtzIAt @pagerduty
, Jouella Fabe (Senior Software Engineer) and her team built an AI agent that transforms how teams work with incident data. Instead of navigating dashboards, teams can now query incidents in natural language— with memory, context, and safety checks built in. This -

ParserGPT: Smart Web Scraping with LLMs and LangGraph
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ParserGPT: Smart Web Scraping Transform messy websites into clean CSV data using LLMs and deterministic rules. Powered by LangChain and LangGraph, ParserGPT learns website structures once to enable efficient, repeated data extraction. Learn more about ParserGPT:
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Monte Carlo Transforms Data Troubleshooting with LangGraph and LangSmith
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How Monte Carlo is transforming data troubleshooting with LangGraph + LangSmith As a leading data + AI observability platform, @montecarlodata has built an AI Troubleshooting Agent that can launch hundreds of sub-agents to investigate data issues in parallel— helping enterprises
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Germany’s First Official LangChain Meetup in Munich on October 21
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Calling all agent engineers & AI builders in Munich! Join us Oct 21 for Germany's first official LangChain Meetup! Build with LangChain Connect with devs & creators Hosted by http://
zalion.ai & ambassador Zamal RSVP https://
luma.com/54ci3k5c #LangChain -
API and Run Ingestion Incident Resolution Update
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Sorry you experienced issues. We had an incident yesterday affecting the API and run ingestion. It’s been resolved, but you can find more details on our status page: https://
status.smith.langchain.com Please reach out if you’re still seeing any problems. -

LangSmith Introduces Organization-Scoped API Keys for Enhanced Control
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🔑 You can now create org-scoped LangSmith API keys!
— LangChain (@LangChain) 9 septembre 2025
Our new features gives you more control, allowing you to:
1️⃣ Expand Scope: Create API keys that are linked to several workspaces, or the entire organization
2️⃣Improve Security: Enterprise users can assign roles to the API… pic.twitter.com/oHYWmB1b3aYou can now create org-scoped LangSmith API keys! Our new features gives you more control, allowing you to: Expand Scope: Create API keys that are linked to several workspaces, or the entire organization
Improve Security: Enterprise users can assign roles to the API -

Building Automated Academic Review Articles with LangGraph
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AI Review Article Writer A technical series on building a system that automatically generates academic review articles using LangGraph's multi-agent architecture, handling complex document processing while maintaining rigorous academic standards. Learn more →
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QANDA Learning Assistant: Intelligent Multi-Agent Education Platform
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QANDA Learning Assistant QANDA's educational platform transforms problem-solving with intelligent solutions, quizzes, and dynamic graphs. Built on LangGraph, its multi-agent system specializes in different educational domains for personalized learning. Learn more:
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DeepMCPAgent: Dynamic MCP Tool Discovery and Agent Development
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DeepMCPAgent A powerful tool for dynamic MCP tool discovery and agent development. Built with LangChain and LangGraph, it streamlines integration over HTTP/SSE while supporting major LLMs. Check it out! https://
github.com/cryxnet/deepmc
pagent
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