Tool Use & the Agentic Loop | Agentic Engineering | Oh My Learning

01 Function Calling Mechanics: How Models Choose and Emit Tool Calls 12 min read mid drafted 02 Designing Tool Schemas: JSON Schema, Typed Arguments, and Description Quality 13 min read mid drafted 03 The Agentic Loop: Plan, Act, Observe, Repeat 13 min read mid drafted 04 Parallel vs Sequential Tool Calls: Latency and Correctness Trade-offs 12 min read senior drafted 05 Harness vs Scaffolding: What Wraps the Model and What the Model Works From 13 min read senior drafted 06 Stateless vs Stateful Tool Execution and Retries 13 min read senior drafted 07 Designing for Recoverable Failure: Idempotency, Timeouts, and Retry Budgets 13 min read senior drafted 08 When to Stop: Termination Conditions and Runaway-Loop Prevention 15 min read staff drafted 09 Computer Use: Screen-Based Perception and Action as a Tool Modality 15 min read senior drafted 10 Code Execution as a Tool-Invocation Pattern 17 min read senior drafted 11 Continuous Agent Execution: Pausing, Resuming, and Operating Without a Session Boundary 23 min read staff drafted