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Update execute_python_code tool

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Morpheus Sandmann
2026-08-25 20:12:36 +01:00
parent 91f74ab4e8
commit a2da57ae30
1 changed files with 4 additions and 8 deletions
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server.py
+4 -8
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@@ -259,21 +259,17 @@ async def get_active_page():
@mcp.tool() @mcp.tool()
def execute_python_code(code: str) -> str: def execute_python_code(code: str) -> str:
"""Executes arbitrary Python 3 code in this isolated sandbox container."""
stdout_buffer = io.StringIO() stdout_buffer = io.StringIO()
stderr_buffer = io.StringIO() stderr_buffer = io.StringIO()
namespace = {} # shared globals + locals
with contextlib.redirect_stdout(stdout_buffer), contextlib.redirect_stderr(stderr_buffer): with contextlib.redirect_stdout(stdout_buffer), contextlib.redirect_stderr(stderr_buffer):
try: try:
exec(code, {}, {}) exec(code, namespace) # <-- single arg = globals==locals
except Exception as e: except Exception as e:
sys.stderr.write(f"Runtime Error: {str(e)}") sys.stderr.write(f"Runtime Error: {str(e)}")
output = stdout_buffer.getvalue() output = stdout_buffer.getvalue()
errors = stderr_buffer.getvalue() if stderr_buffer.getvalue():
return f"Errors caught during execution:\n{stderr_buffer.getvalue()}\nPartial Output:\n{output}"
if errors:
return f"Errors caught during execution:\n{errors}\nPartial Output:\n{output}"
return output if output else "Code executed successfully with no returned stdout." return output if output else "Code executed successfully with no returned stdout."
@mcp.tool() @mcp.tool()