This article discusses the shift in software engineering towards a "context-driven development lifecycle" when working with AI agents. It emphasizes improving the underlying system and its context for AI, rather than constantly correcting generated code or refining prompts. This paradigm necessitates building robust "harness engineering" infrastructure that enables AI agents to autonomously learn and improve through feedback loops of generation, evaluation, distribution, and observation, pushing for a system-level architectural approach to AI integration.
Read original on The New StackAs AI tools become pervasive, the role of software engineers is evolving beyond direct code writing. Patrick Debois, coiner of DevOps, suggests a move to a "context development lifecycle." This means instead of correcting AI-generated code or tweaking prompts, engineers should focus on improving the system that provides context to the AI agents. This mirrors the shift from deterministic to non-deterministic and probabilistic systems, requiring organizational-wide changes similar to the adoption of DevOps.
Scaling AI agent effectiveness requires a robust system for managing and distributing context. This context is not a one-time input; it's an iterative process, much like continuous integration and delivery. Essential context points include codebase, specifications, documentation, architectural decision records, and more. The goal is to optimize the context for team workflows and platform-level operations, ensuring consistency and reusability across the organization.
System Design Implication
Designing a context management system involves considerations for data storage (e.g., knowledge bases, documentation systems), retrieval mechanisms (e.g., semantic search, graph databases), versioning of context, and distribution pipelines to make context readily available to various AI agents and teams. This system effectively becomes the 'source of truth' for AI agent behavior.
A critical architectural component for advanced AI agentic systems is "harness engineering." This involves building the infrastructure, guardrails, and tools that wrap around LLMs to support reliable, autonomous agents. An agent's inner harness includes logs, metrics, and traces, allowing the agent to observe the consequences of its actions and improve iteratively. This creates living feedback loops of generation, evaluation, distribution, and observation.
These harnesses should be built not in isolation, but for shared use across teams, establishing common pipelines for testing and verification. This collaborative approach to building agentic infrastructure promotes organizational collaboration and better coordination for AI development at scale.