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McpServerManager

recursive::mcp_server

Struct McpServerManager 

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pub struct McpServerManager { /* private fields */ }
Expand description

Manages the lifecycle of one or more MCP servers and their tools.

Call McpServerManager::register_all to spawn every configured server, discover its tools, and register them into a ToolRegistry. The manager keeps the underlying McpClients alive so they can handle tool calls.

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impl McpServerManager

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pub fn new(servers: Vec<McpServer>) -> Self

Create a new manager from a list of server configurations.

The servers are not spawned until register_all is called.

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pub async fn register_all( &self, registry: &mut ToolRegistry, ) -> Result<Vec<(String, usize)>>

Spawn all configured servers, discover their tools, and register them into the given ToolRegistry.

Returns a list of (server_name, tool_count) pairs for logging.

§Errors

Returns an error if any server fails to start or if tool discovery fails. Servers are started sequentially; a failure stops the process.

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pub async fn shutdown(&self)

Shut down all running MCP clients.

This drops the clients, which causes their background tasks (stdio reader/writer, SSE listener) to be cancelled.

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pub async fn running_count(&self) -> usize

Return the number of currently running clients.

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