World's Fair 2026
Claude for Long-Horizon Tasks — Lance Martin, Anthropic
Overview
This talk explores building agent harnesses for reliable and secure long-horizon tasks using Claude. It emphasizes decoupling the agent's reasoning (brain) from its actions (hands), implementing self-verification and self-learning mechanisms, and designing for adaptability in evolving agent harness systems. The core thesis is that Claude's capabilities can be effectively leveraged for complex, extended tasks through robust harness architecture.
Who should watch
- AI Engineers
- Product Managers
- Builders working on agentic systems
- Those facing challenges with long-horizon AI tasks
- Developers interested in secure and reliable agent execution
Key takeaways
- Decoupling the agent's "brain" (reasoning) from its "hands" (actions) is crucial for managing complex tasks.
- Implementing self-verification loops allows agents to check their own work and correct errors.
- Self-learning capabilities enable agents to improve their performance over time based on task outcomes.
- Designing agent harnesses for evolution is key, as the tools and capabilities agents interact with will change.
- Focus on reliability and security when building systems for long-horizon AI tasks.
- Claude's architecture supports extended task execution when properly harnessed.
Notable quotes
*Lessons learned about building agent harnesses for reliable and secure long-horizon work.*
*Decoupling the brain and hands, self-verification, self-learning, and design for evolving agent harnesses.*
Unofficial community note. Prefer the recording for nuance.