Struct FunctionToolBuilder 

pub struct FunctionToolBuilder<A, R> { /* private fields */ }

Builder for FunctionTool.

Implementations

impl<A, R> FunctionToolBuilder<A, R>

pub fn version(self, version: impl Into<String>) -> Self

Sets an explicit semantic tool version. The default is v1.

pub fn description(self, description: impl Into<String>) -> Self

Sets a provider-visible description.

pub fn input_schema(self, schema: Value) -> Self

Sets an explicit provider-safe input schema.

pub fn policy_ref(self, policy_ref: PolicyRef) -> Self

Sets an explicit policy ref.

pub fn read_only(self) -> Self

Marks the tool read-only.

pub fn write_effect(self) -> Self

Marks the tool as write-like.

pub fn require_approval(self) -> Self

Requires host approval before core releases the executor.

pub fn required_permission(self, permission: CapabilityPermission) -> Self

Adds a required permission.

pub fn timeout_ms(self, timeout_ms: u64) -> Self

Sets execution timeout metadata.

impl FunctionToolBuilder<(), ()>

pub fn executor<A, R, F>(self, handler: F) -> FunctionToolBuilder<A, R>

where A: ToolArgs, R: ToolOutput, F: Fn(A) -> ToolResult<R> + Send + Sync + 'static,

Sets a typed executor that does not need execution context.

pub fn executor_with_context<A, R, F>( self, handler: F, ) -> FunctionToolBuilder<A, R>

where A: ToolArgs, R: ToolOutput, F: Fn(A, TypedToolContext) -> ToolResult<R> + Send + Sync + 'static,

Sets a typed executor that receives the core execution context.

impl<A, R> FunctionToolBuilder<A, R>

where A: ToolArgs, R: ToolOutput,

pub fn build(self) -> Result<TypedTool<A, R>, AgentError>

Builds the typed tool declaration and executor adapter.