Provide userscript support for browsers.
Agario Script Manager with Legend Mod included.
Agario Mods can support various scripts for .io games.
Legend mod is best agar.io modpack with plenty features by author. It includes:
Unlimited FPS unlocked (quicker than Vanilla)
UserScripts Manager (URL or pasted)
Direct PARTY / FFA / EXP / TEAM server by using tokens/sips or connector
Search engine for player name / clan / tag / leaderboard / ip / token
Integrated Chat, minimap and teamboard. Chat rooms per server/per team password(or public)
New Template / skins / animations / zoom / respawn / helpers / hud controls and many extras
Themes for quite all textures and map (Basic / Menu / Hud / chat / minimap / graphics and cursor)
Banners for many clans (Email me your symbol and weblink for updates)
60++ Macros / Events / Hotkeys (Script does many calculations)
Tools for quests / youtubers / timers / coin auto digger/youtube video player
Send message pictures, videos and also various message commands directly to teammate's script
Change various textures, add photos on huds and clan's pictures and url links
Dying Light Expansion
Discord webhook handler's for sending IP, and many more...