Module tool 

Tool traits and types for MCP servers.

This module provides the core abstractions for defining and executing MCP tools.

Structs

FnTool

A simple function-based tool.

ToolEntry

Entry for auto-discovered tools registered via #[mcp_tool].

ToolRegistry

Registry for managing tools.

Traits

McpTool

Trait for implementing MCP tools.

ToolProvider

Trait for types that can provide multiple tools.

Functions

all_tools

Returns all auto-discovered tools.

tools_in_group

Returns auto-discovered tools filtered by group.

Type Aliases

BoxFuture

A boxed future for async tool execution.

DynTool

A type-erased tool wrapper.

ToolCallResult

Result type for tool execution - returns content or an error message.

ToolFactory

A factory function that creates a tool instance.