Module tool 

Agent tools + registry. Port of the reusable shape of agent_core/tools/.

A tool exposes a JSON-Schema interface to the model and an async implementation. The registry resolves the name the model emits in a tool_call to an implementation, exposes the LLM-facing specs, and runs the call. Domain tools live in a product crate and register here.

Modules

support

Helpers for implementing Tool.

Structs

CancellationToken

Hierarchical cancellation flag. Cancelling a parent cancels every child; cancelled resolves without polling.

ToolExecutionContext

Identity, position and controls for one tool execution.

ToolMeta

Static execution metadata for a tool.

ToolRegistry

Registry of tools available to an agent.

Enums

ToolConcurrency

Whether a tool may run alongside others in one step.

ToolSurface

Who may call a tool.

Traits

Tool

A callable tool. parameters is a JSON-Schema object describing the args.

Functions

model_tool_name

Model-facing tool name (dots become underscores).

validate_json_schema

Validate value against schema.

validate_json_schema_definition

Check that schema is a valid JSON Schema.

validate_json_schema_value

Validate value against schema, labelling errors with subject.