Are there any agent runtime tools that handle human approval steps before sensitive actions?

Yes. A few agent runtimes and orchestration tools support human-in-the-loop approval gates before an agent can execute sensitive or irreversible actions.

Common examples include:

• LangGraph / LangChain: supports pause-and-resume workflows so you can require human approval before a tool call or state transition.
• Microsoft AutoGen: can be configured with human approval steps in multi-agent workflows.
• Semantic Kernel: you can implement approval checkpoints in the orchestration layer.
• OpenAI-based agent frameworks: many teams build approval gates around tool invocation by intercepting calls and asking a human to confirm.
• Temporal / durable workflow engines: not agent-specific, but very good for structured approval steps before actions like sending emails, making purchases, or deleting data.

Typical pattern:

1. Agent proposes an action.
2. Runtime pauses.
3. Human reviews details.
4. Workflow resumes only if approved.

If you want, I can also give you:

• a comparison table of runtimes with approval support, or
• a reference architecture for building safe agent approval flows.