Module registry 

Available on crate feature async only.

ToolRegistry and the FnTool closure adapter.

The registry holds heterogeneous Tool implementations behind Arc<dyn Tool> and supports two registration shapes:

• ToolRegistry::register_tool takes anything that implements Tool directly.
• ToolRegistry::register / ToolRegistry::register_described take a closure plus name/schema; the closure is wrapped in an internal FnTool adapter.

Both reduce to the same Arc<dyn Tool>. ToolRegistry::to_messages_tools converts the registered schemas into the Tool slice needed by CreateMessageRequest::tools.

For typed inputs derived from a Rust struct see crate::tool_dispatch::TypedTool and the schemars-tools feature.

Structs

FnTool

Internal adapter: wraps a closure and exposes it through the Tool trait. Created by ToolRegistry::register and ToolRegistry::register_described.

ToolRegistry

In-memory registry of tools keyed by name.