Struct Subagent 

pub struct Subagent {
    pub name: String,
    pub description: String,
    pub instructions: String,
    pub allowed_tools: Vec<String>,
    pub max_turns: Option<u32>,
    pub model: Option<String>,
}

A subagent - a specialized Claude instance with specific capabilities

Example

use claude_agent_sdk::subagents::Subagent;

let subagent = Subagent {
    name: "code-reviewer".to_string(),
    description: "Expert code reviewer".to_string(),
    instructions: "Review code for bugs and best practices".to_string(),
    allowed_tools: vec!["Read".to_string(), "Grep".to_string()],
    max_turns: Some(5),
    model: Some("claude-sonnet-4".to_string()),
};

Fields

name: String

Unique name for this subagent

description: String

Description of the subagent’s purpose

instructions: String

Specific instructions for the subagent

allowed_tools: Vec<String>

Tools that this subagent is allowed to use

max_turns: Option<u32>

Maximum number of turns (None = no limit)

model: Option<String>

Model to use (None = use default)

Trait Implementations

impl Clone for Subagent

fn clone(&self) -> Subagent

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Subagent

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Subagent

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Subagent

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.