Agents & tool use
Planning, function calling, and multi-step workflows.
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- Docs40 min
LangChain - Tools and agents
Bind tools, invoke models, and parse multi-step plans.
Open resource - Docs30 min
OpenAI - Function calling guide
JSON schemas the model must follow for tool arguments.
Open resource - Article35 min
ReAct paper - Reasoning + Acting
Original loop: thought → action → observation.
Open resource - Docs35 min
AutoGen - Multi-agent conversations
Microsoft framework for group chats and tool-using agents.
Open resource 
Video25 minAndrej Karpathy - Software 2.0 / LLM OS mental model
Why tool use changes how we architect apps.
Open resource- Article22 min
Temporal - Durable workflows for agents
Long-running retries for flaky LLM + API steps.
Open resource - Docs25 min
MCP - Model Context Protocol intro
Standard for tools, resources, and prompts across hosts.
Open resource - Article12 min
Simon Willison - LLMs on the CLI
Patterns for shipping agent loops in developer workflows.
Open resource - Article40 min
Berkeley - Toolformer paper
Teaching models to call external APIs self-supervised.
Open resource - Docs20 min
E2B - Sandboxed code execution for agents
Firecracker sandboxes for safe code tools.
Open resource - Docs25 min
OpenAI - Assistants API tools
Code interpreter, file search, and custom functions.
Open resource