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 An open-source, vanilla JS frontend template for an Arc Testnet router, packaged as a launchable Farcaster Frame, built entirely from a mobile device.

 Frontend developers looking to build mobile Web3 interfaces, debug strict mobile wallet extensions (like Mises/MetaMask), or integrate Arc dApps into Farcaster.

 Clone the repo, test the mobile-native UI, and watch the attached video tutorial on how to deploy an Arc app via GitHub and inject it into Farcaster.

https://github.com/pawansatoshi/arcflow-router

 ArcFlow Pro provides a fully responsive, institutional-grade UI for routing assets (Transfers, Swaps, CCTP Bridging, and StableSwap Pools) across the Arc Testnet.

Because official testnet routers occasionally lack liquidity (causing 

 toggle in the UI. This allows developers to bypass broken contracts and simulate successful execution flows for UI testing. It also features a localized, offline heuristic engine (ArcAi) to answer basic developer questions directly in the browser without exposing premium LLM API keys on the client side.

 To run the UI locally and test the network-switching logic:

git clone https://github.com/pawansatoshi/arcflow-router.git

# Serve locally to avoid CORS/provider issues

 -> Connect Wallet -> Toggle "Demo Mode" -> Navigate to "Bridge" -> Execute a simulated CCTP transfer from Arbitrum Sepolia to Arc Testnet.

 100% Vanilla HTML/CSS/JS. Zero build-step overhead, making it incredibly easy to fork.

). The video tutorial below details exactly how to set this up for Warpcast feeds.

 While testing on mobile browsers like Mises (which use strict MetaMask extension forks), I discovered two critical bugs causing 

 Even though Arc natively uses USDC for gas (6 decimals), the core EVM protocol requires the network configuration to pass 

. Passing 6 causes strict mobile wallets to instantly block the popup.

. Any mismatched hex math causes RPC ping rejections. Both are now fixed and handled in this template for 100% cross-browser popup reliability.

 To keep this serverless and open-source, the Swaps and Bridges currently use UI simulation logic ("Demo Mode") to bypass empty testnet liquidity pools. This template is designed for a developer to plug in a secure backend and the official 

 The built-in ArcAi assistant uses a static NLP JavaScript dictionary.

 Experimental UI template; intended for hackathons, prototyping, and educational purposes.

Full Video Tutorial (GitHub -> Farcaster setup):

0xb467F683764593316fAEbB0709127E90791Fe47F

(Transfer any wallet, get txn/hashtag hasid immediately with copy button)

 Fork this repo to instantly get a responsive Web3 UI with Arc Testnet and Farcaster Frame meta tags pre-configured.

 Watch the tutorial for a step-by-step guide on taking a simple HTML Web3 app from GitHub, to web hosting, and into a Farcaster feed.

 Use this template to test mobile user flows for cross-chain CCTP bridging before writing heavy backend logic.

Now that the frontend is packaged as a Farcaster Frame, what are the best practices you've found for handling secure 

 authentication for Circle App Kits inside a social frame without a dedicated backend?

Has anyone successfully mapped out the specific App Kit error codes for empty routing paths, so we can replace my "Demo Mode" workaround with official SDK error handling?

[ArcFlow Pro] Mobile App-First Arc Router UI Template + Farcaster Frame Integration

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