Struct McpToolAnnotations 

pub struct McpToolAnnotations {
    pub read_only_hint: bool,
    pub destructive_hint: bool,
    pub idempotent_hint: bool,
    pub open_world_hint: bool,
}

Optional 2025-03-26 MCP tool annotations that carry hints about the tool’s side-effects. All fields default to false / None.

Fields

read_only_hint: bool

Hints the tool only reads data without side-effects.

destructive_hint: bool

Hints the tool may produce destructive side-effects.

idempotent_hint: bool

Hints the tool is idempotent.

open_world_hint: bool

Hints the tool interacts with the open world (network, I/O).

Trait Implementations

impl Clone for McpToolAnnotations

fn clone(&self) -> McpToolAnnotations

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for McpToolAnnotations

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

Formats the value using the given formatter.

impl Default for McpToolAnnotations

fn default() -> McpToolAnnotations

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for McpToolAnnotations

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for McpToolAnnotations

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

where __S: Serializer,

Serialize this value into the given Serde serializer.