Free resources recently added to the study tracks.https://learnai.shivaanshagarwal.com/https://www.anthropic.com/research/effective-context-engineering-for-ai-agentshttps://www.anthropic.com/research/effective-context-engineering-for-ai-agentsTreats the context window as a scarce budget and covers compaction, note-taking and sub-agents for keeping long-running agents focused.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://www.anthropic.com/research/contextual-retrievalhttps://www.anthropic.com/research/contextual-retrievalShows why chunks lose meaning when cut out of a document, and how adding short context to each chunk, plus BM25 and reranking, reduces failed retrievals.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://www.anthropic.com/research/building-effective-agentshttps://www.anthropic.com/research/building-effective-agentsSeparates fixed workflows from agents, catalogues the common workflow patterns, and argues for the simplest design that works before reaching for autonomy.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://www.anthropic.com/research/multi-agent-research-systemhttps://www.anthropic.com/research/multi-agent-research-systemAn engineering account of an orchestrator that fans out work to parallel sub-agents, with the costs, prompting lessons and evaluation approach that came with it.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://github.com/anthropics/prompt-eng-interactive-tutorialhttps://github.com/anthropics/prompt-eng-interactive-tutorialNotebook-based exercises on prompting, from basic structure to formatting output and avoiding hallucinations. Do the chapters on output formatting for this track.Tue, 27 Oct 2026 00:00:00 GMTcoursehttps://huyenchip.com/books/https://huyenchip.com/books/A book on building applications with foundation models. Its chapter on RAG and agents is a thorough companion to Week 2; the author's page links to where it is sold.Tue, 27 Oct 2026 00:00:00 GMTbookhttps://platform.claude.com/docs/en/build-with-claude/streaminghttps://platform.claude.com/docs/en/build-with-claude/streamingHow a model API streams tokens as server-sent events, which is the pattern your chat endpoint will pass through to the browser.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://www.deeplearning.ai/courses/multi-ai-agent-systems-with-crewaihttps://www.deeplearning.ai/courses/multi-ai-agent-systems-with-crewaiA short course on splitting work across role-based agents with crewAI. Optional contrast to the LangGraph approach.Tue, 27 Oct 2026 00:00:00 GMTcoursehttps://fastapi.tiangolo.com/https://fastapi.tiangolo.com/Docs for the Python web framework suggested for the project backend, including streaming responses and request validation.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://hamel.dev/blog/posts/evals/https://hamel.dev/blog/posts/evals/Makes the case that evaluation is the core loop of AI product work, and lays out levels of tests from unit assertions to human and model review.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://hamel.dev/blog/posts/evals-faq/https://hamel.dev/blog/posts/evals-faq/Answers to common practical questions about evals, from error analysis and labelling to choosing metrics and when to automate.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://hamel.dev/blog/posts/llm-judge/https://hamel.dev/blog/posts/llm-judge/How to build a model-based grader you can trust, starting from expert-labelled examples and measuring the judge's agreement with them.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://jalammar.github.io/illustrated-transformer/https://jalammar.github.io/illustrated-transformer/A diagram-heavy explanation of the transformer, with self-attention, multiple heads and positional encoding built up one step at a time.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://www.youtube.com/watch?v=7xTGNNLPyMIhttps://www.youtube.com/watch?v=7xTGNNLPyMIA long, detailed walk through the full stack of a chat model, from pretraining data and tokenization to sampling, post-training and why models hallucinate. Watch it in parts.Tue, 27 Oct 2026 00:00:00 GMTvideohttps://www.youtube.com/watch?v=zjkBMFhNj_ghttps://www.youtube.com/watch?v=zjkBMFhNj_gA one-hour, general-audience tour of what an LLM is, how it is trained and fine-tuned, where it is heading and where it can be attacked.Tue, 27 Oct 2026 00:00:00 GMTvideohttps://academy.langchain.com/courses/intro-to-langgraphhttps://academy.langchain.com/courses/intro-to-langgraphThe official LangGraph course, covering graph state, persistence with checkpointers, and human-in-the-loop interrupts, with notebooks for each module.Tue, 27 Oct 2026 00:00:00 GMTcoursehttps://langfuse.com/docshttps://langfuse.com/docsDocs for an open-source LLM observability tool: traces across agent steps, token costs and prompt versions.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://docs.langchain.com/oss/python/langgraph/overviewhttps://docs.langchain.com/oss/python/langgraph/overviewReference docs for graphs, persistence and memory stores; keep it open while rebuilding the agent.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://modelcontextprotocol.io/docs/develop/build-serverhttps://modelcontextprotocol.io/docs/develop/build-serverThe official quickstart that walks through writing a small server, registering tools and connecting it to a client.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://modelcontextprotocol.io/docs/getting-started/introhttps://modelcontextprotocol.io/docs/getting-started/introThe official introduction to MCP, its hosts, clients and servers, and what servers can expose to a model.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://arxiv.org/abs/2310.08560https://arxiv.org/abs/2310.08560Proposes managing an LLM's limited context like an operating system manages memory, paging information between fast and slow tiers. Skim for the memory model.Tue, 27 Oct 2026 00:00:00 GMTpaperhttps://www.youtube.com/playlist?list=PLGSKQmIKK2zQhttps://www.youtube.com/playlist?list=PLGSKQmIKK2zQA code-along series that starts from a local setup and builds an assistant step by step, adding a conversation loop, memory and streaming. Good for typing along rather than watching.Tue, 27 Oct 2026 00:00:00 GMTplaylisthttps://www.youtube.com/watch?v=f0HBW-47wwUhttps://www.youtube.com/watch?v=f0HBW-47wwUThe short opening video of the Advanced AI playlist, explaining what the series builds and in what order.Tue, 27 Oct 2026 00:00:00 GMTvideohttps://github.com/ollama/ollamahttps://github.com/ollama/ollamaRuns open models locally behind a simple HTTP API, so you can build and test without paying per token.Tue, 27 Oct 2026 00:00:00 GMTrepohttps://www.oreilly.com/radar/agent-harness-engineering/https://www.oreilly.com/radar/agent-harness-engineering/Argues that most of a coding agent's quality comes from the harness around the model, and that every mistake should tighten the harness so it cannot recur.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://genai.owasp.org/llm-top-10/https://genai.owasp.org/llm-top-10/The community list of the most important security risks for LLM applications, each with examples and mitigations.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://github.com/pgvector/pgvectorhttps://github.com/pgvector/pgvectorThe Postgres extension for storing embeddings and running nearest-neighbour search next to your relational data.Tue, 27 Oct 2026 00:00:00 GMTrepohttps://www.postgresql.org/docs/current/textsearch.htmlhttps://www.postgresql.org/docs/current/textsearch.htmlThe manual chapter on Postgres keyword search and ranking, the lexical half of a hybrid search.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://pydantic.dev/docs/validation/latest/get-started/https://pydantic.dev/docs/validation/latest/get-started/Docs for the Python data validation library used to define and check structured output schemas.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://docs.ragas.io/en/stable/https://docs.ragas.io/en/stable/Docs for an open-source toolkit that scores RAG pipelines on things like faithfulness and context relevance.Tue, 27 Oct 2026 00:00:00 GMTdocshttps://github.com/humanlayer/12-factor-agentshttps://github.com/humanlayer/12-factor-agentsPrinciples for production LLM software, such as owning your prompts and control flow and keeping agents small and stateless where possible.Tue, 27 Oct 2026 00:00:00 GMTrepohttps://simonwillison.net/2025/Jun/16/the-lethal-trifecta/https://simonwillison.net/2025/Jun/16/the-lethal-trifecta/Explains why an agent with private data, untrusted content and a way to send data out can be tricked into leaking, and why removing one of the three is the dependable fix.Tue, 27 Oct 2026 00:00:00 GMTarticlehttps://simonwillison.net/series/prompt-injection/https://simonwillison.net/series/prompt-injection/A running series of posts on prompt injection attacks and defences. Read the earliest posts and a few recent ones.Tue, 27 Oct 2026 00:00:00 GMTarticle