Helius MCP Server

Official Model Context Protocol (MCP) server for Helius - Complete Solana blockchain data access for Claude.

Features

29 Tools Covering:
- ✅ Digital Asset Standard (DAS) API - NFTs, tokens, compressed NFTs
- ✅ RPC Methods - Balances, accounts, signatures
- ✅ Enhanced Transactions - Human-readable parsing
- ✅ Priority Fees - Real-time fee estimation
- ✅ Webhooks - Event monitoring and notifications
- ✅ Enhanced WebSockets - Real-time streaming (1.5-2× faster)
- ✅ Laserstream gRPC - Lowest latency streaming with 24h replay

Network Support:
- Mainnet Beta
- Devnet

Installation

``bash
npm install -g @helius-labs/mcp-server
`

Quick Start

$3

Sign up at helius.dev and create an API key.

$3

Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json on macOS):

`json
{
"mcpServers": {
"helius": {
"command": "helius-mcp",
"env": {
"HELIUS_API_KEY": "your-api-key-here",
"HELIUS_NETWORK": "mainnet-beta"
}
}
}
}
`

$3

The Helius tools will now be available in Claude.

Usage Examples

Check wallet balance:
`
What's the SOL balance for vines1vzrYbzLMRdu58ou5XTby4qAqVRLmqo36NKPTg?
`

Get NFT information:
`
Show me details for NFT FKZJkqv2YbXmcGWbp2RJfhVmpE6PnSaq6dMj1DKXgj1m
`

Monitor transactions:
`
Set up a webhook to track transactions for wallet ABC...XYZ
`

Real-time streaming:
`
Show me how to subscribe to Raydium swap transactions
`

Available Tools

$3


- setHeliusApiKey - Configure API key and network

$3

- getAsset - NFT/token details
- getAssetBatch - Batch fetch assets
- getAssetsByOwner - Wallet's assets
- getAssetsByGroup - Collection NFTs
- getAssetsByCreator - Creator's assets
- getAssetsByAuthority - Authority's assets
- searchAssets - Advanced search
- getAssetProof - cNFT Merkle proof
- getAssetProofBatch - Batch proofs
- getSignaturesForAsset - cNFT transaction history
- getNftEditions - Edition NFTs
- getTokenAccounts - Token account queries

$3

- getBalance - SOL balance
- getAccountInfo - Account details
- getMultipleAccounts - Batch account lookups
- getSignaturesForAddress - Transaction signatures

$3

- parseTransactions - Human-readable parsing

$3

- getPriorityFeeEstimate - Optimal fees

$3

- getAllWebhooks - List webhooks
- getWebhookByID - Webhook details
- createWebhook - Create webhook
- updateWebhook - Update webhook
- deleteWebhook - Delete webhook

$3

- transactionSubscribe - Real-time transaction streaming
- accountSubscribe - Real-time account monitoring
- getEnhancedWebSocketInfo - WebSocket service info

$3

- laserstreamSubscribe - High-performance gRPC streaming
- getLaserstreamInfo` - Laserstream service info

Plan Requirements

$3

- Free/Developer: ❌ Not available
- Business: ✅ 250 connections
- Professional: ✅ 250 connections

$3

- Free: ❌ Not available
- Developer: ✅ Devnet only
- Business: ✅ Devnet only
- Professional: ✅ Mainnet + Devnet

Documentation

- Helius API Documentation
- Enhanced WebSockets
- Laserstream gRPC
- MCP Protocol

Support

- GitHub Issues: helius-labs/helius-mcp-server
- Discord: Helius Discord

License

MIT