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ToolNode

universal_agent_runtime::uar::runtime::graph::nodes::tool_node

Struct ToolNode 

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pub struct ToolNode { /* private fields */ }
Expand description

A graph node that calls a named MCP tool and stores the result in state.

§State keys

  • input: args_key (default "_tool_args") — JSON object with tool arguments.
  • output: output_key (default "_tool_result") — raw JSON string result.

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impl ToolNode

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pub fn new(id: impl Into<String>, tool_name: impl Into<String>) -> Self

Create a tool node with the given ID and tool name.

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

Override the state key used to read arguments from.

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

Override the state key used to write the result to.

Trait Implementations§

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impl Debug for ToolNode

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl GraphNode for ToolNode

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fn id(&self) -> &str

Return the unique node identifier used for routing.
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fn execute<'life0, 'life1, 'async_trait>( &'life0 self, state: GraphState, ctx: &'life1 GraphContext, ) -> Pin<Box<dyn Future<Output = NodeResult> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Execute the node with the given state and context.

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