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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 multi-wallet agent signing, and cross-platform Mobile Wallet Adapter SDKs across web, Android, iOS, Unity, Godot, Unreal, Cocos, and Capacitor.

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Live products

Live Solana products with real users.

Two shipped Solana products: one for trading execution and risk, one for user-approved AI-agent signing across real wallet surfaces.

Agentic

First Solana-native multi-wallet agent signer
Non-Custodial AI Agent Review proof

First Solana-native multi-wallet agent signer, live at agentic-signer.com with Apple App Store, Google Play, verified Solana dApp Store, web app, CLI, and desktop releases. Agents propose chat-driven actions and plans; users approve or deny with their real wallet; keys never leave the wallet. One WalletBackend powers the chat/app flow, MCP tools, Vercel AI tools, Solana Agent Kit, CLI, desktop, and web surfaces.

  • First Solana-native multi-wallet agent signer with Apple App Store and verified Solana dApp Store releases.
  • Web, CLI, desktop, Apple App Store, Google Play, and Solana dApp Store release surfaces with 850+ users, 31 reviews, and a 4.2-star rating.
  • Address lookup, message signing, transaction signing, sign-and-send, approval polling, and simulation.
Website App Store Google Play dApp Store

SolPulse

Solana trading platform
Live trading system Review proof

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.

  • 650+ users, 25 reviews, 4.3-star rating, Apple App Store, Solana dApp Store, and web releases.
  • 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 App Store Google Play dApp Store

Infrastructure repos

Wallet SDKs, safety, 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.

TxShield / Solana Tx Guard

Open embeddable Solana transaction-safety layer with pre-sign drain detection, static rules, optional simulation, and atomic guard.

TypeScript SDKGitHub

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

Mobile demo