Struct ToolRetryConfig 

pub struct ToolRetryConfig {
    pub max_retries: u32,
    pub initial_backoff: Duration,
    pub max_backoff: Duration,
    pub backoff_multiplier: f64,
    pub jitter: f64,
    pub retry_if: Option<RetryPredicate>,
}

Configuration for automatic retries when a tool execution fails.

When a tool handler returns an error and retry configuration is present, the registry will automatically retry with exponential backoff.

Example

use llm_stack::provider::ToolRetryConfig;
use std::time::Duration;

let config = ToolRetryConfig {
    max_retries: 3,
    initial_backoff: Duration::from_millis(100),
    max_backoff: Duration::from_secs(5),
    backoff_multiplier: 2.0,
    jitter: 0.5,
    retry_if: None, // Retry all errors
};

Fields

max_retries: u32

Maximum retry attempts (not counting initial try). Default: 3.

initial_backoff: Duration

Initial backoff duration before first retry. Default: 100ms.

max_backoff: Duration

Maximum backoff duration cap. Default: 5 seconds.

backoff_multiplier: f64

Backoff multiplier for exponential growth. Default: 2.0.

jitter: f64

Jitter factor (0.0 to 1.0) applied to backoff. Default: 0.5.

retry_if: Option<RetryPredicate>

Optional predicate to determine if an error is retryable. Receives the error message. If None, all errors are retried.

Trait Implementations

impl Clone for ToolRetryConfig

fn clone(&self) -> ToolRetryConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ToolRetryConfig

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

Formats the value using the given formatter.

impl Default for ToolRetryConfig

fn default() -> Self

Returns the “default value” for a type.

impl PartialEq for ToolRetryConfig

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.