--- title: "NextCTL (@nextctl) | Hashnode" description: "AI agents & automation for SMEs. Read the latest articles by NextCTL on Hashnode." url: "https://hashnode.com/@nextctl" --- @nextctl # NextCTL @nextctl · Dhaka, Bangladesh · Joined October 2026 AI agents & automation for SMEs [Website](https://nextctl.com/) ### [7 AI Automations SMEs Can Launch in a Week (No Full Engineering Team Required)](https://nextctl.hashnode.dev/7-ai-automations-smes-can-launch-in-a-week-no-full-engineering-team-required?utm_source=hashnode&utm_medium=feed) A five-day sprint plan for small teams, with human checkpoints and one metric per workflow 6 min read · [nextctl.hashnode.dev](https://nextctl.hashnode.dev/7-ai-automations-smes-can-launch-in-a-week-no-full-engineering-team-required?utm_source=hashnode&utm_medium=feed) [1h ago](https://hashnode.com/posts/7-ai-automations-smes-can-launch-in-a-week-no-full-engineering-team-required/6af2d24efba1fd01b32b2a76) ### [Evaluating RAG in Python: Retrieval Metrics, Faithfulness and Regression Tests](https://nextctl.hashnode.dev/evaluating-rag-python?utm_source=hashnode&utm_medium=feed) A golden set, recall@k, MRR, nDCG, claim-level faithfulness and a pytest gate that fails the build when quality drops 16 min read · [nextctl.hashnode.dev](https://nextctl.hashnode.dev/evaluating-rag-python?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/evaluating-rag-python/6ad5fe5124c54d81f549652b) [Oct 19](https://hashnode.com/posts/evaluating-rag-python/6ad5fe5124c54d81f549652b) ### [Production RAG: Chunking, Retrieval Evaluation, and Why Most RAG Demos Fail in Production](https://nextctl.hashnode.dev/production-rag-chunking-retrieval-evaluation-and-why-most-rag-demos-fail-in-production?utm_source=hashnode&utm_medium=feed) Retrieval-augmented generation looks easy in a demo. Load a few PDFs, split them into chunks, embed them, store the vectors, retrieve the top five, and ask a model to answer. On ten hand-picked questi 9 min read · [nextctl.hashnode.dev](https://nextctl.hashnode.dev/production-rag-chunking-retrieval-evaluation-and-why-most-rag-demos-fail-in-production?utm_source=hashnode&utm_medium=feed) [Oct 18](https://hashnode.com/posts/production-rag-chunking-retrieval-evaluation-and-why-most-rag-demos-fail-in-production/6ad4326e78d3b6310f1ac5d1)