Enum McpEvent 

pub enum McpEvent {
    ServerStatusChanged {
        server_id: String,
        status: ServerStatus,
        error: Option<String>,
    },
    ToolsChanged {
        server_id: String,
        tools: Vec<String>,
    },
    ToolExecuted {
        server_id: String,
        tool_name: String,
        success: bool,
    },
}

Event emitted by the MCP manager.

Represents state changes and operations in the MCP system. Events are used for monitoring, logging, and reactive updates.

Variants

• ServerStatusChanged - Server connection status changed
• ToolsChanged - Server’s tool list was updated
• ToolExecuted - A tool was invoked (success or failure)

Monitoring

Subscribe to these events to monitor server health, track tool usage, or implement reactive UI updates.

Example

match event {
    McpEvent::ServerStatusChanged { server_id, status, error } => {
        println!("Server {} is now {:?}", server_id, status);
    }
    McpEvent::ToolExecuted { server_id, tool_name, success } => {
        println!("Tool {} on {} - success: {}", tool_name, server_id, success);
    }
    _ => {}
}

Variants

ServerStatusChanged

Server connection status changed

Fields

server_id: String

Server identifier

status: ServerStatus

New status

error: Option<String>

Error message (if status is Error)

ToolsChanged

Server’s available tools changed

Fields

server_id: String

Server identifier

tools: Vec<String>

List of available tool names

ToolExecuted

Tool was executed

Fields

server_id: String

Server identifier

tool_name: String

Name of the executed tool

success: bool

Whether execution succeeded

Trait Implementations

impl Clone for McpEvent

fn clone(&self) -> McpEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for McpEvent

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

Formats the value using the given formatter.

impl Serialize for McpEvent

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

where __S: Serializer,

Serialize this value into the given Serde serializer.