1 files changed, 33 insertions, 0 deletions
diff --git a/src/client/views/nodes/chatbot/tools/CalculateTool.ts b/src/client/views/nodes/chatbot/tools/CalculateTool.ts
new file mode 100644
index 000000000..ca7223803
--- /dev/null
+++ b/src/client/views/nodes/chatbot/tools/CalculateTool.ts
@@ -0,0 +1,33 @@
+import { Observation } from '../types/types';
+import { ParametersType, ToolInfo } from '../types/tool_types';
+import { BaseTool } from './BaseTool';
+
+const calculateToolParams = [
+    {
+        name: 'expression',
+        type: 'string',
+        description: 'The mathematical expression to evaluate',
+        required: true,
+    },
+] as const;
+
+type CalculateToolParamsType = typeof calculateToolParams;
+
+const calculateToolInfo: ToolInfo<CalculateToolParamsType> = {
+    name: 'calculate',
+    citationRules: 'No citation needed.',
+    parameterRules: calculateToolParams,
+    description: 'Runs a calculation and returns the number - uses JavaScript so be sure to use floating point syntax if necessary',
+};
+
+export class CalculateTool extends BaseTool<CalculateToolParamsType> {
+    constructor() {
+        super(calculateToolInfo);
+    }
+
+    async execute(args: ParametersType<CalculateToolParamsType>): Promise<Observation[]> {
+        // TypeScript will ensure 'args.expression' is a string based on the param config
+        const result = eval(args.expression); // Be cautious with eval(), as it can be dangerous. Consider using a safer alternative.
+        return [{ type: 'text', text: result.toString() }];
+    }
+}