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r/LangChain is a subreddit with 59k members. Its distinguishing qualities are that the community is large in size, and has high activity.
LangChain is an open-source framework and developer toolkit that helps developers get LLM applications from prototype to production.
It is available for Python and Javascript at https://www.langchain.com/.
Popular Themes in r/LangChain
#1
Advice Requests
: "Got grilled in an ML interview today for my LangGraph-based Agentic RAG projects 😅 — need feedback on these questions"
10 posts
#2
Solution Requests
: "Sharing my FastAPI MCP LangGraph template"
9 posts
#3
Pain & Anger
: "Langchain destroyed my marriage"
3 posts
#4
Ideas
: "What are possible LangGraph patterns for event-driven agentic systems? Or how do you model even-driven architecture with LangGraph like this?"
1 post
#5
Opportunities
: "Looking for Collaborators to port and build an agent like manus in smolagents"
1 post
#6
Self-Promotion
: "I Built an MCP Server for DevTo - Create, publish, and fetch blogs straight from Claude, Cursor, or your custom AI agent!"
1 post
Popular Topics in r/LangChain
#1
Langchain
: "Why is everyone suddenly ditching Langchain?"
29 posts
#2
Agent
: "lifecycle of a coding Agent"
27 posts
#3
Mcp
: "I built a debugging Mcp server that saves me ~2 programming hours a day"
25 posts
#4
Ai
: "OpenAi’s new enterprise Ai guide is a goldmine for real-world adoption"
24 posts
#5
Langgraph
: "Got grilled in an ML interview today for my Langgraph-based Agentic RAG projects 😅 — need feedback on these questions"
24 posts
#6
Rag
: "Got grilled in an ML interview today for my LangGraph-based Agentic Rag projects 😅 — need feedback on these questions"
23 posts
#7
Llm
: "every Llm metric you need to know"
22 posts
#8
Agents
: "Building MCP Agents using LangChain MCP adapter and Composio"
18 posts
#9
Ai Agents
: "Ai Agents educational repo"
9 posts
#10
Framework
: "Best Agentic AI Framework to use in Production"
7 posts
Member Growth in r/LangChain
Yearly
+39k members(198.6%)
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