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3 · Tools, Agents & MCP
Tool use, the multi-step agent loop, the planning strategies that don't fall apart at step 30, and MCP — the protocol that's swallowing custom integrations in 2026.
After this track you can hand a model a set of tools, let it plan across them over many steps, and know when the loop is stuck instead of thinking.
Phase 4
- Planning strategies that survive step 30Outline
- Tool use, from three lines of PythonOutline
- Long-running agents and checkpointsOutline
- The agent loop, from scratchOutline
- MCP, in the shape you'll use itOutline
- When agents should give upOutline