scripts/csrf_debug.py

from flask import Flask, session

app = Flask(__name__)
app.secret_key = "supersecretkey"

@app.route("/check_csrf")
def check_csrf():
    return {"csrf_token": session.get("csrf_token", "NOT SET")}

if __name__ == "__main__":
    app.run(debug=True, host="0.0.0.0", port=5001)