blog.projectdiscovery.io· Jun 1, 2026

How Neo's Agent Architecture Evolved: From One Agent → Plan, Execute & Verify

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Our first engineering post covered prompt caching, the infrastructure change that made long-running agentic tasks economically viable. That post assumed a multi-step, multi-agent system already existed. It did not exist on day one. When we started building Neo, the product was a single agent with a sandbox and a large toolset. Today, a typical task runs through optional planning, an Execution agent that delegates to parallel specialized subagents, and a verification loop that can re-run w
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
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