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Home/Glossary/What Is Agent Delegation?
Glossary7 min read

What Is Agent Delegation?

Agent delegation is the mechanism by which an AI agent assigns specific subtasks to other agents, passing context, instructions, and scope boundaries so that the receiving agent can complete the work autonomously and return results to the delegating agent.

Colleagues handing off work in a modern workspace representing agent delegation
Photo by Proxyclick Visitor Management System on Unsplash
By AI Agents Guide Team•February 28, 2026

Term Snapshot

Also known as: Agent Task Routing, Sub-Agent Delegation, Agent Handoff

Related terms: What Is a Subagent?, What Is a Supervisor Agent?, What Is the A2A Protocol?, What Is an Agent Swarm?

Table of Contents

  1. Quick Definition
  2. What Makes a Good Delegation
  3. Poor Delegation
  4. Good Delegation
  5. Delegation Patterns
  6. Pattern 1: Direct Function Delegation
  7. Pattern 2: OpenAI Agents SDK Handoffs
  8. Pattern 3: Tool-Based Delegation
  9. Delegation Best Practices
  10. Common Misconceptions
  11. Related Terms
  12. Frequently Asked Questions
  13. What is agent delegation in AI?
  14. What information should be included when delegating to an agent?
  15. How does delegation differ from simply calling a function?
  16. What is an agent handoff vs agent delegation?
Notepad with planning notes representing structured delegation and task assignment
Photo by Andrew Neel on Unsplash

What Is Agent Delegation?

Quick Definition#

Agent delegation is the mechanism by which an AI agent assigns specific subtasks to other agents, passing the context, instructions, and scope boundaries they need to complete the work autonomously. Delegation is the connective tissue of multi-agent systems — it is how orchestrators break down complex goals and leverage specialized agents without each piece needing to know about the whole.

Browse all AI agent terms in the AI Agent Glossary. For the agents that delegate work, see Supervisor Agent. For parallelized delegation, see Agent Swarm.

What Makes a Good Delegation#

The quality of delegation determines the quality of subagent output. A vague delegation produces vague results; a precise delegation enables the subagent to work effectively:

Poor Delegation#

"Research AI trends and give me something useful"
  • Undefined scope (which AI trends? what time period? which industries?)
  • No success criteria (what does "useful" mean?)
  • No output format specification

Good Delegation#

Task: Research the top 5 enterprise AI agent deployment trends in 2026
Context: This is for a technical report targeting CTOs at Fortune 500 companies
Scope: Focus on production deployments, not research/experimental
Output format: 5 bullet points, each with: trend name, evidence (1-2 examples), and business impact
Constraints: 400 words maximum, cite sources where possible
  • Specific scope (top 5, enterprise, 2026)
  • Clear audience context
  • Explicit output format
  • Length constraint

Delegation Patterns#

Pattern 1: Direct Function Delegation#

The simplest form — delegate to a callable agent function:

from anthropic import Anthropic

client = Anthropic()

def create_specialist_agent(role: str, expertise: str, tools: list = None):
    """Factory function creating specialized agent callables."""
    def agent(task: str, context: str = "") -> str:
        system = f"""You are a specialist {role}.
Expertise: {expertise}
Complete the delegated task precisely within its scope."""

        messages = []
        if context:
            messages.append({
                "role": "user",
                "content": f"Context from prior work:\n{context}"
            })
            messages.append({
                "role": "assistant",
                "content": "Understood, I'll use this context."
            })
        messages.append({"role": "user", "content": task})

        response = client.messages.create(
            model="claude-sonnet-4-6",
            max_tokens=1500,
            system=system,
            messages=messages
        )
        return response.content[0].text
    return agent

# Create specialist agents
research_agent = create_specialist_agent(
    role="research analyst",
    expertise="web research, source evaluation, information synthesis"
)
writing_agent = create_specialist_agent(
    role="technical writer",
    expertise="clear writing, structure, audience adaptation"
)
review_agent = create_specialist_agent(
    role="quality reviewer",
    expertise="accuracy checking, completeness assessment, critique"
)

# Orchestrator delegates to specialists
def orchestrate_content_creation(topic: str) -> str:
    """Orchestrator delegates research → writing → review."""

    # Step 1: Delegate research
    research_result = research_agent(
        task=f"Research: {topic}\nOutput: 5 key facts with sources, 300 words max"
    )

    # Step 2: Delegate writing with research context
    draft = writing_agent(
        task=f"Write a 600-word article about: {topic}\nStructure: intro, 3 sections, conclusion",
        context=research_result
    )

    # Step 3: Delegate review with both
    review = review_agent(
        task="Review this draft for accuracy, completeness, and clarity. Provide 3 specific improvements.",
        context=f"Research:\n{research_result}\n\nDraft:\n{draft}"
    )

    return f"Draft:\n{draft}\n\nReview:\n{review}"

Pattern 2: OpenAI Agents SDK Handoffs#

True agent handoffs where control transfers completely:

from agents import Agent, Runner, handoff

# Define specialized agents
research_agent = Agent(
    name="ResearchAgent",
    instructions="""You research topics thoroughly.
When research is complete, hand off to the writing agent.""",
    tools=[web_search]
)

writing_agent = Agent(
    name="WritingAgent",
    instructions="""You write clear, structured content.
Use the research provided to create accurate content.""",
    tools=[]
)

review_agent = Agent(
    name="ReviewAgent",
    instructions="""You review content for quality.
Provide specific, actionable feedback."""
)

# Configure handoffs
research_agent_with_handoff = Agent(
    name="ResearchAgent",
    instructions=research_agent.instructions,
    tools=[web_search],
    handoffs=[handoff(writing_agent)]  # Can hand off to writer
)

# Run the agent — control will flow through handoffs
result = Runner.run_sync(research_agent_with_handoff,
                          "Research and write about AI agent trends 2026")

Pattern 3: Tool-Based Delegation#

Agents delegate by calling other agents as tools:

import json

def create_agent_tool(agent_callable, tool_name: str, description: str) -> dict:
    """Wrap an agent as a tool for another agent to call."""
    return {
        "name": tool_name,
        "description": description,
        "input_schema": {
            "type": "object",
            "properties": {
                "task": {"type": "string", "description": "The specific task to delegate"},
                "context": {"type": "string", "description": "Relevant context for the task"}
            },
            "required": ["task"]
        },
        "function": lambda task, context="": agent_callable(task, context)
    }

# Supervisor with agents as tools
research_tool = create_agent_tool(
    research_agent,
    "delegate_to_research_agent",
    "Delegate research tasks to the specialized research agent"
)

writing_tool = create_agent_tool(
    writing_agent,
    "delegate_to_writing_agent",
    "Delegate writing and drafting tasks to the specialized writing agent"
)

def run_supervisor(user_request: str) -> str:
    """Supervisor that delegates using agent tools."""
    messages = [{"role": "user", "content": user_request}]
    tool_map = {
        "delegate_to_research_agent": research_tool["function"],
        "delegate_to_writing_agent": writing_tool["function"]
    }
    tools_schema = [
        {"name": t["name"], "description": t["description"],
         "input_schema": t["input_schema"]}
        for t in [research_tool, writing_tool]
    ]

    for _ in range(10):
        response = client.messages.create(
            model="claude-opus-4-6",
            max_tokens=2048,
            system="You are a supervisor. Break down complex tasks and delegate to specialists.",
            messages=messages,
            tools=tools_schema
        )

        if response.stop_reason == "end_turn":
            return next(b.text for b in response.content if hasattr(b, "text"))

        messages.append({"role": "assistant", "content": response.content})
        tool_results = []
        for block in response.content:
            if block.type == "tool_use":
                result = tool_map[block.name](**block.input)
                tool_results.append({
                    "type": "tool_result",
                    "tool_use_id": block.id,
                    "content": result
                })
        messages.append({"role": "user", "content": tool_results})

    return "Delegation loop incomplete"

Delegation Best Practices#

Be specific about scope: "Research recent AI trends" is too vague. "Research the top 5 enterprise AI agent deployments announced in Q4 2025, with company names and deployment scale" is actionable.

Include output format requirements: Specify structure (JSON, bullets, prose), length limits, and required fields. Subagents without format guidance often produce output that's hard to aggregate.

Pass relevant context, not all context: Don't dump your entire conversation history. Extract and pass only what the subagent needs for its specific task. Context flooding (passing irrelevant information) degrades subagent performance.

Handle delegation failures gracefully: Subagents can fail or produce inadequate results. Build retry logic with modified instructions, or fallback paths to alternative agents.

Common Misconceptions#

Misconception: Delegation is just calling a function with a string argument Effective delegation involves structured task specification, context selection, output format requirements, and failure handling. Treating it as a simple string pass-through produces brittle, low-quality multi-agent systems.

Misconception: More delegation always improves quality Over-delegation fragments tasks to the point where no agent has enough context to do good work. Tasks that require reasoning across multiple sources or maintaining a coherent voice should not be fragmented across too many agents.

Misconception: Delegating agents are free from the output quality problem The delegating agent is responsible for validating and using subagent outputs. A supervisor that blindly passes subagent results upstream without evaluation produces output only as good as its weakest subagent.

Related Terms#

  • Supervisor Agent — The delegating agent in hierarchical systems
  • Agent Swarm — Parallel delegation to many agents simultaneously
  • Agentic Workflow — Multi-step workflows built on delegation patterns
  • Agent SDK — Frameworks providing delegation and handoff primitives
  • LangGraph Multi-Agent Tutorial — Tutorial implementing delegation patterns
  • CrewAI vs LangChain — How frameworks implement delegation differently

Frequently Asked Questions#

What is agent delegation in AI?#

Agent delegation is the transfer of a specific task from one agent to another, along with the context and scope boundaries needed for the receiving agent to complete the work. It's the mechanism that enables orchestrators to break down complex goals and leverage specialized agents for each component.

What information should be included when delegating to an agent?#

Include: the specific task with clear scope, relevant context from prior work, success criteria, output format requirements (structure, length), available tools or permissions, and constraints. The more precisely a delegation is specified, the better the subagent's output.

How does delegation differ from simply calling a function?#

Calling a function is deterministic. Delegating to an agent is non-deterministic — you provide a task and context, and the agent uses judgment to complete it. This autonomy enables flexibility but requires careful scope specification to get reliable results.

What is an agent handoff vs agent delegation?#

Delegation: one agent assigns a task to another while retaining oversight (receives results, continues processing). Handoff: one agent transfers control entirely to another — the original agent is done and the new agent continues. The OpenAI Agents SDK implements handoffs as complete conversation thread transfers between agents.

Tags:
architecturemulti-agentorchestration

Related Glossary Terms

What Is a Supervisor Agent?

A supervisor agent is an AI agent that orchestrates other agents — breaking down complex tasks into subtasks, delegating work to specialized subagents, monitoring their outputs, and synthesizing results into a coherent final response. It acts as the intelligent coordinator in multi-agent systems.

What Are Multi-Agent Systems?

A practical overview of multi-agent systems, including coordination patterns, role design, communication protocols, and production reliability controls.

What Is A2A Agent Discovery? (Guide)

A2A Agent Discovery is the process by which AI agents find, register, and verify the capabilities of peer agents using Agent Cards and well-known URIs in the A2A Protocol. It enables dynamic, decentralized multi-agent coordination without hardcoded routing logic.

What Is an Agent Swarm?

An agent swarm is a multi-agent architecture where many specialized AI agents work in parallel on different aspects of a task, coordinating through shared state or messaging to collectively accomplish goals that no single agent could complete as efficiently alone.

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