| import os |
| import json |
| import asyncio |
| from typing import List |
| from langchain.tools import Tool |
| from backend.src.config import settings |
|
|
| def get_mcp_tools() -> List[Tool]: |
| """Dynamically discover and return MCP tools.""" |
| tools = [] |
| |
| if not getattr(settings, "USE_MCP", True): |
| |
| import sympy as sp |
| from sympy.parsing.sympy_parser import parse_expr |
| |
| def fallback_differentiate(expr: str) -> str: |
| return str(sp.diff(parse_expr(expr), sp.Symbol('x'))) |
| |
| tools.append(Tool( |
| name="differentiate", |
| description="Calculate the derivative of a mathematical expression.", |
| func=fallback_differentiate |
| )) |
| return tools |
|
|
| |
| |
| |
| |
| |
| import sys |
| import importlib.util |
| base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '../../../mcp-servers')) |
| |
| def load_module_from_path(module_name, file_path): |
| spec = importlib.util.spec_from_file_location(module_name, file_path) |
| module = importlib.util.module_from_spec(spec) |
| sys.modules[module_name] = module |
| spec.loader.exec_module(module) |
| return module |
| |
| try: |
| sympy_mcp = load_module_from_path("sympy_mcp", os.path.join(base_dir, "sympy-mcp", "server.py")) |
| calc_mcp = load_module_from_path("calculator_mcp", os.path.join(base_dir, "calculator-mcp", "server.py")) |
| graph_mcp = load_module_from_path("graph_plotter_mcp", os.path.join(base_dir, "graph-plotter-mcp", "server.py")) |
| pdf_mcp = load_module_from_path("pdf_reader_mcp", os.path.join(base_dir, "pdf-reader-mcp", "server.py")) |
| exec_mcp = load_module_from_path("python_executor_mcp", os.path.join(base_dir, "python-executor-mcp", "server.py")) |
| img_mcp = load_module_from_path("image_solver_mcp", os.path.join(base_dir, "image-solver-mcp", "server.py")) |
| |
| tools.extend([ |
| Tool(name="differentiate", description="Calculate derivative of expr in terms of x", func=lambda x: str(sympy_mcp.differentiate(x))), |
| Tool(name="integrate", description="Calculate integral of expr in terms of x", func=lambda x: str(sympy_mcp.integrate(x))), |
| Tool(name="simplify", description="Simplify mathematical expression", func=lambda x: str(sympy_mcp.simplify(x))), |
| Tool(name="solve", description="Solve algebraic equation equal to 0", func=lambda x: str(sympy_mcp.solve(x))), |
| Tool(name="execute_python", description="Execute sandboxed python code. Returns stdout.", func=exec_mcp.execute_python), |
| Tool(name="plot_function", description="Plot a math function string into SVG", func=graph_mcp.plot_function), |
| Tool(name="read_pdf", description="Read base64 PDF", func=pdf_mcp.read_pdf), |
| Tool(name="extract_and_solve_image", description="Extract and solve math from base64 image", func=lambda x: str(img_mcp.extract_and_solve_image(x))) |
| ]) |
| except Exception as e: |
| import logging |
| logging.getLogger(__name__).error(f"Failed to load MCP tools: {e}") |
| |
| return tools |
|
|
