Trait ToolListChangedHandler 

pub trait ToolListChangedHandler:
    Send
    + Sync
    + Debug {
    // Required method
    fn handle_tool_list_changed<'life0, 'async_trait>(
        &'life0 self,
    ) -> Pin<Box<dyn Future<Output = HandlerResult<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
}

Handler for tool list changes

Per MCP 2025-06-18 specification, notifications/tools/list_changed is an optional notification from the server to the client, informing it that the list of tools it offers has changed.

Examples

use turbomcp_client::handlers::{ToolListChangedHandler, HandlerResult};
use async_trait::async_trait;

#[derive(Debug)]
struct MyToolListHandler;

#[async_trait]
impl ToolListChangedHandler for MyToolListHandler {
    async fn handle_tool_list_changed(&self) -> HandlerResult<()> {
        println!("Server's tool list changed - refreshing...");
        Ok(())
    }
}

Required Methods

fn handle_tool_list_changed<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = HandlerResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Handle a tool list changed notification

This method is called when the server’s available tool list changes.

Returns

Returns Ok(()) if the notification was processed successfully.

Implementors

impl ToolListChangedHandler for LoggingToolListChangedHandler