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Solana infra, wallet SDKs, trading systems

Mathew Stevens builds production Solana systems end to end.

Full-stack Solana developer shipping live trading infrastructure, non-custodial agent-wallet signing, and cross-platform Mobile Wallet Adapter SDKs across web, Android, iOS, Unity, Godot, Unreal, Cocos, and Capacitor.

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Live products

Apps users can actually open.

Two shipped Solana products: one for trading execution and risk, one for user-approved agent signing. Product links use the live websites and package IDs found in the local builds.

SolPulse

Solana trading platform
Live trading system

Solo-built production trading platform with multi-mode scanning, DCA, limit orders, smart TP/SL exits, 35 intelligence pillars, multi-DEX routing, priority fee controls, and institutional risk controls exposed through a consumer UI.

  • 350+ users, 4.1-star Android rating, Solana dApp Store listing, and web release.
  • Execution path documented for 1,200 concurrent transactions and 10ms monitoring intervals.
  • Seed Vault and Mobile Wallet Adapter signing flows keep keys inside user wallets/devices.
Website Google Play dApp Store

Agentic

Solana agent-wallet signing
Non-custodial

Deployed Solana agent-wallet application at agentic-signer.com. Agents prepare actions, users approve with their real wallet, and keys never leave the wallet. One WalletBackend powers MCP tools, Vercel AI tools, Solana Agent Kit, CLI, desktop, and web surfaces.

  • Address lookup, message signing, transaction signing, sign-and-send, approval polling, and simulation.
  • Web, CLI, desktop, Google Play, and Solana dApp Store release surfaces.
  • Package ID discovered locally: com.agentic.wallet.
Website App Google Play dApp Store

Infrastructure repos

Wallet SDKs and examples.

The infra links go to public repositories and grant/example work. App repos are not required here; app users should use the product buttons above.

Unreal Solana MWA

Production-ready Unreal Engine 5 plugin wrapping Solana Mobile Kotlin clientlib through C++ JNI and Blueprint APIs.

UE5 pluginGitHub

Cocos MWA SDK

First Solana Mobile Wallet Adapter SDK for Cocos Creator, with native Android bridge, encrypted association, and demo game.

Cocos CreatorGitHub

iOS Wallet Adapter

Swift/CryptoKit wallet adapter for Phantom, Solflare, and Backpack deeplink signing with encrypted URL callback flows.

Swift packageGitHub

Capacitor Solana MWA

Capacitor bridge for Solana Mobile Wallet Adapter, giving hybrid apps native Android wallet support.

CapacitorGitHub

Godot MWA Example

Grant-backed Godot example app with multi-wallet flows, reconnect coverage, SIWS, and Seeker hardware verification.

Grant workGitHub

Unity MWA Example

Grant-backed Unity example app that surfaced SDK issues under real Seeker hardware testing and mainnet-beta flows.

Grant workGitHub

Upstream proof

PRs accepted by SDK maintainers.

Merged PRs are labeled merged. Open Unity MWA PRs are shown separately so the page stays accurate if someone checks GitHub.

What I work with

TypeScript, Node, React, Swift, C#, C++, Kotlin, Solana web3.js, MWA, Wallet Standard, Seed Vault, Anchor, Jupiter, PostgreSQL, Redis, Unity, Unreal, Godot, Cocos.

Solana Mobile Wallet SDKs Trading Infra AI Agent Signing Game Engine Plugins Developer Tools