Claude Agent SDK [Full Workshop] — Thariq Shihipar, Anthropic

Claude Code as the Foundation

The SDK is built directly on Claude Code, Anthropic's first 'true agent' capable of autonomous 10-30 minute work sessions, after observing widespread adoption by non-engineers for finance, marketing, and data tasks.

Agents vs. Structured Workflows

While workflows follow predefined rigid paths like categorizing emails, agents dynamically build their own context and trajectories, deciding autonomously which actions to take rather than following hardcoded steps.

Bash as the Universal Tool

The SDK treats bash as the most powerful agent tool and the original 'code mode,' enabling dynamic script generation, file-based memory storage, and composition of existing software without custom tool schemas.

Code Generation for Non-Coding Tasks

For tasks like calculating ride-sharing expenses from emails, agents write scripts to query APIs, pipe results through grep, sum values, and verify calculations rather than processing raw text in context windows.

Unix Primitives Over Tool Proliferation

Instead of building specific search, lint, or edit tools, the SDK leverages Unix utilities like grep and npm through bash, allowing agents to discover environment tooling and compose solutions dynamically.

Swiss Cheese Defense Model

Security relies on layered defenses combining model alignment, harness-level bash parsing and permissioning, and strict sandboxing of network requests and file system operations to prevent data exfiltration.

Container-First Requirements

Every agent requires a containerized or local hosting environment to enable essential bash and file system operations, making stateful, file-based context engineering central to the architecture rather than an afterthought.