--- title: LangChain posts | daily.dev description: Langchain is a publication focusing on programming languages, language design, and compiler development. Readers can explore articles covering topics such as language features, syntax design, and compiler optimization techniques. Additionally, they can learn about programming language theory, language implementation challenges, and practical applications of language design principles. canonical: https://daily.dev/sources/langchain twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/langchain og:type: website og:site_name: daily.dev og:title: LangChain posts | daily.dev og:description: Langchain is a publication focusing on programming languages, language design, and compiler development. Readers can explore articles covering topics such as language features, syntax design, and compiler optimization techniques. Additionally, they can learn about programming language theory, language implementation challenges, and practical applications of language design principles. og:image: https://api.daily.dev/og/sources/langchain.png og:image:width: 1200 og:image:height: 630 ---  # LangChain Follow FollowBlock Langchain is a publication focusing on programming languages, language design, and compiler development. Readers can explore articles covering topics such as language features, syntax design, and compiler optimization techniques. Additionally, they can learn about programming language theory, language implementation challenges, and practical applications of language design principles. Related tags: [#langchain](/tags/langchain)[ #rag](/tags/rag)[ #llm](/tags/llm)[ #ai-agents](/tags/ai-agents)[ #vector-search](/tags/vector-search)[ #openai](/tags/openai) [Posts about langchain](/tags/langchain)[Posts about rag](/tags/rag)[Posts about llm](/tags/llm)[Posts about ai-agents](/tags/ai-agents)[Posts about vector-search](/tags/vector-search)[Posts about openai](/tags/openai) [How We Built Our Design Agent](/posts/how-we-built-our-design-agent-ywnocaaq0)[The five components of building a "company harness"](/posts/the-five-components-of-building-a-company-harness--cizyqzcj8)[Context Engineering for AI Agents Starts with Retrieval](/posts/context-engineering-for-ai-agents-starts-with-retrieval-or6sfdhgx)[How Numan built an eval-first AI health coach with LangGraph and LangSmith](/posts/how-numan-built-an-eval-first-ai-health-coach-with-langgraph-and-langsmith-r6lrdz1vj)[Deep Agents Deploy: an open alternative to Claude Managed Agents](/posts/deep-agents-deploy-an-open-alternative-to-claude-managed-agents-puh8uytzt)[Improving Deep Agents with harness engineering](/posts/improving-deep-agents-with-harness-engineering-kklyrkjxl)[How to build great out-of-the-box user experiences with Managed Deep Agents](/posts/how-to-build-great-out-of-the-box-user-experiences-with-managed-deep-agents-iuc8qcvzs)[Building Production Agents with Jev and LangGraph](/posts/building-production-agents-with-jev-and-langgraph-7ddhgwbkk)[Building an Agent Harness for Life Sciences: Introducing Deep Life Sci](/posts/building-an-agent-harness-for-life-sciences-introducing-deep-life-sci-ko1fclipz)[How Included Health Built Federated Healthcare Agents with LangGraph and Deep Agents](/posts/how-included-health-built-federated-healthcare-agents-with-langgraph-and-deep-agents-4djwmkswk) ## Most upvoted posts from LangChain ## Best discussed posts from LangChain ## All posts from LangChain ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/sources/langchain#organization","name":"LangChain","url":"https://daily.dev/sources/langchain","logo":{"@type":"ImageObject","url":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/0f4f2629e0724a849823f8cd0d913e13"},"description":"Langchain is a publication focusing on programming languages, language design, and compiler development. 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