Mainline is an AI-powered, non-custodial on-chain trading and DeFi execution platform that evolved from a social-conversation intelligence tool into an automated trading co-pilot. Mainline's Twitter Score is 12 out of 1000 as of October 2026, ranking #80,764 among 493,668 tracked accounts.
Mainline was co-founded by Preston Tesvich and Chris Berger and is affiliated with Magpie Protocol. The platform launched in April 2021 and has since shifted its focus toward AI-driven execution for swaps, trades, liquidity provision, and related on-chain activity. A core design principle is that the platform never stores users' private keys, keeping custody entirely with the user.
Mainline reached a notable milestone when its MAIN alpha testnet went live for whitelisted users in September 2025, offering non-custodial smart wallets alongside AI-powered on-chain strategies. Legacy documentation outlined planned beta support across a broad set of networks, including Ethereum, Solana, Polygon, BNB Smart Chain, Base, Optimism, Avalanche, Arbitrum, Blast, zkSync, Manta, Scroll, and Metis. The platform also offers MAIN MCP, an API layer through which AI agents can programmatically launch tokens, create liquidity pools, execute trades, and manage positions.
Mainline has published 1,425 posts on the platform and has been mentioned by 13 accounts a total of 25 times.
Who follows Mainline on X?
The accounts that follow Mainline include 39 founders, 11 angel investors, 34 influencers and 7 VCs, among them ZachXBT, Gmoney, Mario Nawfal, DCF GOD, Andrew Steinwold and Small Cap Scientist.