FirstHelm is an AI agent control plane that gives organisations centralised human oversight of autonomous AI agents across any framework. It integrates with LangChain, CrewAI, AutoGen, OpenAI Agents, Microsoft Copilot Studio, and custom agents via a simple API or webhook. Users can define budget limits, forbidden actions, and approval gates that FirstHelm enforces in real time before any agent action executes. Every action, approval, and intervention is recorded in a tamper-evident audit trail exportable for EU AI Act, ISO 42001, SOC 2, and NIST AI RMF compliance. A free tier is available with support for up to two agents and no credit card required.