Morpheus Sandmann
35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
# server.py
|
|
import sys
|
|
import io
|
|
import contextlib
|
|
from mcp.server.fastmcp import FastMCP
|
|
|
|
mcp = FastMCP("Sandbox-Python")
|
|
|
|
@mcp.tool()
|
|
def execute_python_code(code: str) -> str:
|
|
"""
|
|
Executes arbitrary Python 3 code in this isolated sandbox container.
|
|
Returns the standard output (stdout) and error streams (stderr).
|
|
"""
|
|
stdout_buffer = io.StringIO()
|
|
stderr_buffer = io.StringIO()
|
|
|
|
with contextlib.redirect_stdout(stdout_buffer), contextlib.redirect_stderr(stderr_buffer):
|
|
try:
|
|
# Execute within isolated global/local frames
|
|
exec(code, {}, {})
|
|
except Exception as e:
|
|
sys.stderr.write(f"Runtime Error: {str(e)}")
|
|
|
|
output = stdout_buffer.getvalue()
|
|
errors = stderr_buffer.getvalue()
|
|
|
|
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."
|
|
|
|
if __name__ == "__main__":
|
|
# Override standard stdio pipes to expose an HTTP/SSE server
|
|
mcp.run(transport="sse", host="0.0.0.0", port=8000)
|