Struct AnthropicPromptCacheSettings 

pub struct AnthropicPromptCacheSettings {
    pub enabled: bool,
    pub tools_ttl_seconds: u64,
    pub messages_ttl_seconds: u64,
    pub max_breakpoints: u8,
    pub cache_system_messages: bool,
    pub cache_user_messages: bool,
    pub cache_tool_definitions: bool,
    pub min_message_length_for_cache: usize,
    pub extended_ttl_seconds: Option<u64>,
}

Anthropic Claude cache control settings

Fields

enabled: bool

tools_ttl_seconds: u64

Default TTL in seconds for the first cache breakpoint (tools/system). Anthropic only supports “5m” (300s) or “1h” (3600s) TTL formats. Set to >= 3600 for 1-hour cache on tools and system prompts. Default: 3600 (1 hour) - recommended for stable tool definitions

messages_ttl_seconds: u64

TTL for subsequent cache breakpoints (messages). Set to >= 3600 for 1-hour cache on messages. Default: 300 (5 minutes) - recommended for frequently changing messages

max_breakpoints: u8

Maximum number of cache breakpoints to use (max 4 per Anthropic spec). Default: 4

cache_system_messages: bool

Apply cache control to system prompts by default

cache_user_messages: bool

Apply cache control to user messages exceeding threshold

cache_tool_definitions: bool

Apply cache control to tool definitions by default Default: true (tools are typically stable and benefit from longer caching)

min_message_length_for_cache: usize

Minimum message length (in characters) before applying cache control to avoid caching very short messages that don’t benefit from caching. Default: 256 characters (~64 tokens)

extended_ttl_seconds: Option<u64>

Extended TTL for Anthropic prompt caching (in seconds) Set to >= 3600 for 1-hour cache on messages

Trait Implementations

impl Clone for AnthropicPromptCacheSettings

fn clone(&self) -> AnthropicPromptCacheSettings

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AnthropicPromptCacheSettings

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

Formats the value using the given formatter.

impl Default for AnthropicPromptCacheSettings

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for AnthropicPromptCacheSettings

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl JsonSchema for AnthropicPromptCacheSettings

fn schema_name() -> Cow<'static, str>

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn inline_schema() -> bool

Whether JSON Schemas generated for this type should be included directly in parent schemas, rather than being re-used where possible using the $ref keyword.

impl Serialize for AnthropicPromptCacheSettings

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

where __S: Serializer,

Serialize this value into the given Serde serializer.