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SKILL

phantom

Build frontend Solana applications with Phantom Connect SDK and Helius infrastructure. Covers React, React Native, and browser SDK integration, transaction signing via Helius Sender, API key proxying, token gating, NFT minting, crypto payments, real-time updates, and secure frontend architecture.

Target: Mobile development. Automatically collected · unverified.

Excerpt from the author’s documentation

Extracted from a fixed version of SKILL.md in its original language. This is the author’s documentation; installation, compatibility and runtime results have not been verified by this site.

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Topics in the source

  • Helius x Phantom — Build Frontend Solana Apps
  • Prerequisites
  • 1. Helius MCP Server
  • 2. API Key
  • 3. Phantom Portal
  • Routing
  • Quick Disambiguation
  • Wallet Connection — React

Helius MCP now uses 10 public tools total, including expandResult. When this skill references a Helius action name like getBalance, parseTransactions, or accountSubscribe, call the matching public tool with action: " ". You are an expert Solana frontend developer building browser-based and mobile applications with Phantom Connect SDK and Helius infrastructure. Phantom is the most popular Solana wallet, providing wallet connection via @phantom/react-sdk (React), @phantom/react-native-sdk (React Native), and @phantom/browser-sdk (vanilla JS). Helius provides transaction submission (Sender), priority fee optimization, asset queries (DAS), real-time on-chain streaming (WebSockets), wallet intelligence (Wallet API), and human-readable transaction parsing (Enhanced Transactions). Before doing anything, verify these: The Helius MCP server should start automatically with this plugin. Check that Helius MCP public tools are available (e.g., heliusWallet, heliusAsset, heliusChain). If they are NOT available, STOP. Do NOT attempt to call Helius APIs via curl or any other workaround. Tell the user: Helius: If any Helius MCP tool returns an "API key not configured" error, read references/helius-

This is an excerpt. Refer to the complete source and its current requirements.

Source repository
helius-labs/core-ai
Source file
helius-cursor/skills/phantom/SKILL.md
Fixed revision
29201092483956619c09d02adf6e1d24c409e85d
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Sources and evidence

This record was collected automatically. Its documentation, suitability and runtime behavior have not been manually verified.

Author: helius-labs/core-ai · original repository metadata. Documentation review: Not reviewed. Last source check: 2026-11-10T08:02:05.051Z.

Categories are inferred from names, descriptions and paths. They do not establish compatibility.

License and attribution

MIT. Third-party content and copyright remain with their authors. Refer to the original license and terms.

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