detect_vulnerable_nodes.lua

-- Run this script via qa_block (or similar); This checks if on_rightclick crashes without a valid ItemStack
local player = minetest.get_player_by_name("Niklp") -- change this to your name
local pos = vector.new(0,0,0)

local count = 0
for _, node in pairs(minetest.registered_nodes) do
    if not node.name then  
        minetest.log("warning", dump(node))
    end
    minetest.set_node(pos, {name = node.name})
    local right_click_action = minetest.registered_nodes[node.name].on_rightclick
    if right_click_action then
        count = count +1
        minetest.log("warning", count)
        local gnode = minetest.get_node_or_nil(pos)
        minetest.log("warning", dump(node.name))
        right_click_action(pos, gnode, player)
    end
end