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A production-ready LangChain publishing agent: give it a brief, it researches the web, drafts the post in your brand voice, then waits for your approval before publishing. One create_agent made production-grade by middleware: approve/edit/reject gates, tier-locked tools behind real auth, thread summarization, multi-provider failover.
A minimal tool-calling AI agent built with LangChain 1.x and LangGraph. The agent answers natural-language questions by autonomously deciding when to search the web and when to look up live weather data, then synthesizes the results into a single answer.
Local, zero-cost hiking day planner built with LangChain 1.x create_agent: web-grounded trail + weather search, short-term memory, typed JSON output, and multimodal gear-photo ID. Runs on a local Ollama model, swappable to any OpenAI-compatible cloud model via .env.