Type Alias ToolResult 

pub type ToolResult<T> = Result<T, String>;

Result type for MCP tool implementations.

Converts automatically to CallToolResult for macro-generated code.

Example

#[mcp_tool(description = "Read a value")]
fn read(&self, key: String) -> ToolResult<Value> {
    self.store.get(&key).ok_or_else(|| format!("Key not found: {}", key))
}

Aliased Type

pub enum ToolResult<T> {
    Ok(T),
    Err(String),
}

Variants

Ok(T)

Contains the success value

Err(String)

Contains the error value

Trait Implementations

impl<T: Serialize> IntoCallToolResult for ToolResult<T>

fn into_call_result(self) -> CallToolResult

Convert to a CallToolResult.