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MCP Helius

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Overview

MCP Helius is a Model Context Protocol (MCP) server that provides access to Solana blockchain data via the Helius API, enabling operations like checking wallet balances and interacting with tokens and NFTs.

To use MCP Helius, clone the repository, install dependencies, configure the Claude Desktop application to connect to the MCP server, and run it with your Helius API key.

  • Access to basic blockchain operations (e.g., wallet balance, block height) - Token operations (e.g., token account balances, token supply) - NFT and digital asset management (e.g., asset details, ownership) - Transaction and fee methods (e.g., fee estimates, transaction confirmation)
  1. Checking wallet balances on the Solana blockchain.
  2. Retrieving information about NFTs owned by a specific address.
  3. Executing token swaps using the Jupiter protocol.

Add to your AI client

Use these steps to connect MCP Helius in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server-helius-dcspark": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-helius-dcspark"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-server-helius-dcspark": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-helius-dcspark"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-server-helius-dcspark": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-helius-dcspark"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-server-helius-dcspark": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-helius-dcspark"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-server-helius-dcspark": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-helius-dcspark"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-server-helius-dcspark": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-helius-dcspark"
      ]
    }
  }
}

FAQ

What is required to run MCP Helius?

You need Node.js (v16 or higher) and a Helius API key.

Is there a specific configuration for Claude Desktop?

Yes, you need to add the MCP server configuration to the Claude Desktop configuration file.

Can I add new tools to the MCP server?

Yes, you can define new tools in the source code and build the project.7:["$","div",null,{"className":"container mx-auto flex flex-col gap-4","children":["$L26","$L27",["$","$L28",null,{"currentProject":{"id":1742,"uuid":"090c059b-867e-4580-b1c1-573ba0934f9e","name":"mcp-server-helius","title":"MCP Helius","description":"","avatar_url":"https://avatars.githubusercontent.com/u/75200801?v=4","created_at":"2025-03-05T05:07:12.178Z","updated_at":"2025-03-12T10:20:31.324Z","status":"created","author_name":"dcSpark","author_avatar_url":"https://avatars.githubusercontent.com/u/75200801?v=4","tags":"[]","category":"developer-tools","is_featured":false,"sort":1,"url":"https://github.com/dcSpark/mcp-server-helius","target":"_self","content":"$29","summary":"$2a","img_url":null,"type":null,"metadata":"{\"star\":\"12\",\"license\":\"MIT license\",\"language\":\"TypeScript\",\"is_official\":false,\"latest_commit_time\":\"2025-05-30 14:34:16\"}","user_uuid":null,"tools":null,"sse_url":null,"sse_provider":null,"sse_params":null,"is_official":false,"server_command":null,"server_params":null,"server_config":null,"allow_call":false,"is_innovation":false,"is_dxt":false,"dxt_manifest":null,"dxt_file_url":null,"is_audit":false},"randomProjects":[],"currentServerKey":"$undefined"}]]}]

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