How to Build a Simple LCEL Chain in LangChain with Python
Learn how to build a simple LangChain LCEL chain with Python using ChatPromptTemplate, ChatOpenAI, and StrOutputParser in a beginner-friendly tutorial.
Learn how to build a simple LangChain LCEL chain with Python using ChatPromptTemplate, ChatOpenAI, and StrOutputParser in a beginner-friendly tutorial.
Learn what AGENTS.md is in Codex, why project instructions matter, and how to use them to guide safer AI coding workflows.
Learn when to use replace, append, or merge in a dlt pipeline with practical DuckDB examples and beginner-friendly explanations.
Build a beginner-friendly RAG chatbot with LangChain, Python, FAISS, and OpenAI by loading local text, creating embeddings, retrieving context, and answering questions from your own data.
Learn how to connect the Codex App to Jira with MCP using Atlassian's official Rovo MCP Server and the local mcp-remote proxy.
Learn how to add a local Git repository to the Codex App, choose the right project folder, run your first task, and review changes safely.
Learn how to use OpenAI Codex for coding tasks such as fixing bugs, writing tests, understanding code, and reviewing changes safely.