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Human-in-the-Loop (HITL) in Agno enables you to implement patterns where human oversight and input are required during agent execution. This is crucial for:
  • Validating sensitive operations
  • Reviewing tool calls before execution
  • Gathering user input for decision-making
  • Managing external tool execution

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Types of Human-in-the-Loop

Agno supports four main types of human-in-the-loop flows:
  1. User Confirmation: Require explicit user approval before executing tool calls
  2. User Input: Gather specific information from users during execution
  3. Dynamic User Input: Have the agent collect user input as it needs it
  4. External Tool Execution: Execute tools outside of the agent’s control
Currently Agno only supports Human-in flows for Agent. Team and Workflow will be supported in the near future!

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Resuming Agent Execution

Human-in-the-loop flows interrupt the agent’s execution and require human oversight. The run can then be continued by calling the continue_run method. For example: 
run_response = agent.run("Perform sensitive operation")

if run_response.is_paused:
    # The agent has paused and is awaiting human input
    # ... perform other tasks, update the tools if needed

    # Continue the run after providing the necessary input
    response = agent.continue_run(run_id=run_response.run_id, updated_tools=run_response.tools)
    # or response = await agent.acontinue_run(run_id=run_response.run_id, updated_tools=run_response.tools)
The continue_run method continues with the state of the agent at the time of the pause. You can also pass the RunOutput of a specific run to the continue_run method, or pass the run_id and list of updated tools in the updated_tools parameter.

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Learn More

User Confirmation

Require explicit user approval before executing tool calls

User Input

Gather specific information from users during execution

Dynamic User Input

Let agents request user input dynamically when needed

External Tool Execution

Execute tools outside of the agent’s control

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Developer Resources