Thinking in Tokens

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How AI Agents Turn Text Into Actions: Tool Calling, JSON, CodeAct, and MCP
posted in AI Agents
AI Agents Forget Instructions Because Context Compaction Deletes Them
posted in AI Agents
LLM Agent Costs Are Quadratic: The Token Trap and the Prompt Caching Fix
posted in AI Agents
What Actually Makes an LLM an Agent: The Formal Formulation, Policy Engine, and Harness
posted in AI Agents
What Is an AI Agent? A Practical Guide to Building Your First One
posted in AI Agents
Welcome to Thinking in Tokens
posted in Introduction