How to Use the Helius (Solana) MCP in Claude Code

Q: How do I configure the Helius (Solana) MCP Server with Claude Code?

Run the command claude mcp add specifying the transport protocol and your Helius API key. Once added, the MCP agent gains immediate access to all 14 Solana ledger tools.

Q: Does Helius (Solana) support priority fee estimation in Claude Code?

Yes, getpriorityfeeestimate provides precise fee recommendations directly to your terminal. Claude Code uses this to help you debug transaction failures caused by network congestion.

Q: How do I trace wallet funding sources?

You use getwalletfundedby to pinpoint the exact address that first funded a target account. This tool makes tracking malicious actors or sybil wallets straightforward from your CLI.

Run headless Solana ledger queries, audit wallet histories, and parse transactions directly from Claude Code.

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Connect Helius (Solana) MCP to Claude Code

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Setup Helius (Solana) with Claude Code

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Headless Solana ledger auditing in Claude Code

`get_wallet_history` retrieves the complete transaction history of any Solana address directly in your terminal. Claude Code pipes this raw transaction data into local shell scripts or processes it for automated security audits. That's why this terminal-first approach lets you run complex wallet investigations without opening a browser or writing custom node scripts. You get immediate, structured history logs directly in your active console session.

Automated CI/CD transaction parsing

`parse_transactions` converts complex Solana transaction signatures into clean, human-readable JSON arrays. Claude Code uses this tool inside terminal-based workflows to verify smart contract deployments and transaction execution states. This MCP capability is perfect for automated testing pipelines where you need to verify that a transaction altered account states correctly. Analyzing the JSON output lets the agent exit with the right status code.

High-velocity asset indexing and lookup

`get_assets_by_owner` lists every digital asset associated with a target public key directly in your shell. Claude Code uses this raw data to filter for specific token standards or identify compressed NFTs. `get_wallet_funded_by` identifies the original funding source of any wallet to trace capital flows. This tool is essential for forensic accounting and tracking token origins directly from your command line.

Setup guide

Set up Helius (Solana) MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see helius-solana-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Helius (Solana) transactions." It will automatically discover and invoke the available Helius (Solana) tools.

Terminal

claude mcp add --transport http helius-solana-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Helius (Solana) MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "helius-solana-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about Helius (Solana) MCP in Claude Code

Run the command `claude mcp add` specifying the transport protocol and your Helius API key. Once added, the MCP agent gains immediate access to all 14 Solana ledger tools.

Yes, because the terminal agent outputs structured JSON from tools like `get_wallet_balances`. You can easily instruct the CLI to pipe these results into local text files or Unix utilities.

Yes, `get_priority_fee_estimate` provides precise fee recommendations directly to your terminal. Claude Code uses this to help you debug transaction failures caused by network congestion.

You use `get_wallet_funded_by` to pinpoint the exact address that first funded a target account. This tool makes tracking malicious actors or sybil wallets straightforward from your CLI.

The server only transmits public keys, transaction hashes, and asset IDs to the Helius endpoint. Since this MCP Server runs inside a secure Vinkius sandbox, your API keys and local environment variables remain fully isolated from the public network.

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