added tools

tools/tool_math.py

@@ -0,0 +1,26 @@
+from transformers import Tool
+from sympy import symbols, Eq, solve, simplify, diff, integrate, sympify
+
+class SolveEquationTool(Tool):
+    name = "solve_equation"
+    description = "Solves a basic equation for x. Format: '2*x + 3 = 7'"
+
+    def __call__(self, equation: str) -> str:
+        x = symbols('x')
+        try:
+            lhs, rhs = equation.split("=")
+            eq = Eq(sympify(lhs), sympify(rhs))
+            sol = solve(eq, x)
+            return f"x = {sol}"
+        except Exception as e:
+            return f"Error solving equation: {str(e)}"
+
+class ExplainSolutionTool(Tool):
+    name = "explain_solution"
+    description = "Explains the steps to solve a math problem."
+
+    def __call__(self, problem: str) -> str:
+        # Minimalist inline explanation; in a real agent, call an LLM
+        if "2*x + 3 = 7" in problem:
+            return "Step 1: Subtract 3 from both sides → 2x = 4\nStep 2: Divide both sides by 2 → x = 2"
+        return "This agent only explains '2*x + 3 = 7' as a hardcoded example. Extend me with an LLM!"