Module tools 

Extensible Tool System

Provides a trait-based abstraction for tools.

Architecture

ToolRegistry
  └── builtin tools (bash, read, write, edit, grep, glob, ls, patch, web_fetch, web_search)

Re-exports

pub use task::parallel_task_params_schema;

pub use task::task_params_schema;

pub use task::ParallelTaskParams;

pub use task::ParallelTaskTool;

pub use task::TaskExecutor;

pub use task::TaskParams;

pub use task::TaskResult;

pub use task::TaskTool;

Modules

skill

Skill Tool - Invoke skills as callable tools with temporary permission grants

task

Task tools for delegated child runs.

Structs

ArtifactStore

ArtifactStoreLimits

ProgramTool

ToolArtifact

ToolContext

Tool execution context

ToolExecutor

Tool executor with workspace sandboxing

ToolOutput

Tool execution output

ToolRegistry

Tool registry for managing all available tools

ToolResult

Tool execution result returned by direct tool execution.

Enums

ToolErrorKind

Structured discriminant for tool failures.

ToolStreamEvent

Events emitted by tools during execution

Constants

MAX_LINE_LENGTH

Maximum line length before truncation

MAX_OUTPUT_SIZE

Maximum output size in bytes before truncation

MAX_READ_LINES

Maximum lines to read from a file

Traits

Tool

Tool trait - the core abstraction for all tools

Functions

register_generate_object

Register the generate_object tool for structured JSON output.

register_program

Register the programmatic tool calling wrapper.

register_program_with_catalog

Register the programmatic tool calling wrapper with a custom catalog.

register_task

Register the task delegation tools (task, parallel_task).

register_task_with_mcp

Register the task delegation tools with optional MCP manager and parent context.

select_tools_for_messages

Select the tools that should be exposed to the model for this turn.

select_tools_for_prompt

Type Aliases

ToolEventSender

Sender for streaming tool output deltas during execution.