Compatible with every major AI agent and IDE
What is the Helius (Solana) MCP Server?
Connect your Helius account to any AI agent to interact with the Solana blockchain with unprecedented speed and depth. This server leverages Helius's powerful RPC and DAS (Digital Asset Standard) API to provide real-time blockchain intelligence.
What you can do
- Asset Management — Fetch detailed metadata for NFTs, cNFTs, and fungible tokens using
get_assetorget_asset_batch. - Wallet Intelligence — Retrieve complete balances with real-time USD pricing using
get_wallet_balancesand track history withget_wallet_history. - Ownership Tracking — List every asset owned by a specific Solana address via
get_assets_by_owner. - Network Optimization — Get precise priority fee estimates with
get_priority_fee_estimateto ensure your transactions land during high congestion. - Advanced Search — Query the blockchain for specific assets based on collection, creator, or attributes using
search_assets.
How it works
- Subscribe to this server
- Enter your Helius API Key
- Start querying Solana data from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Web3 Developers — Debug smart contracts and verify on-chain state without leaving your IDE.
- Crypto Analysts — Perform deep wallet forensics and portfolio tracking through natural language.
- NFT Collectors — Manage and inspect compressed NFTs and collections with ease.
Built-in capabilities (14)
Get detailed data for a specific Solana asset
Get multiple assets in one call
Get Merkle proof for compressed NFTs
List all assets owned by a wallet
Recommended to provide the serialized transaction. Get precise priority fee estimates
Get all token accounts for a mint or owner
Get enhanced transaction history for an address
Get token and NFT balances with USD values
Identify the original funding source of a wallet
Get complete transaction history for a wallet
sol domains. Resolve address to known entities
Get incoming and outgoing token transfers
Parse raw transactions into human-readable data
Search for assets with advanced filtering
Why OpenAI Agents SDK?
The OpenAI Agents SDK auto-discovers all 14 tools from Helius (Solana) through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Helius (Solana), another analyzes results, and a third generates reports, all orchestrated through Vinkius.
- —
Native MCP integration via
MCPServerSse, pass the URL and the SDK auto-discovers all tools with full type safety - —
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
- —
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
- —
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
Helius (Solana) in OpenAI Agents SDK
Helius (Solana) and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Helius (Solana) to OpenAI Agents SDK through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 4,000+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Helius (Solana) in OpenAI Agents SDK
The Helius (Solana) MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 14 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in OpenAI Agents SDK only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Helius (Solana) for OpenAI Agents SDK
Every tool call from OpenAI Agents SDK to the Helius (Solana) MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I see the USD value of my tokens and NFTs?
Yes! Use the get_wallet_balances tool. It fetches native SOL, SPL tokens, and NFTs along with their current market pricing in USD.
How do I handle compressed NFTs (cNFTs)?
You can use get_asset to see details or get_asset_proof to retrieve the Merkle proof required for on-chain interactions with compressed assets.
Can I search for assets by specific creators or collections?
Absolutely. Use the search_assets tool with a JSON query to filter by collection ID, creator address, or specific attributes.
How does the OpenAI Agents SDK connect to MCP?
Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.
Can I use multiple MCP servers in one agent?
Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.
Does the SDK support streaming responses?
Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.
MCPServerStreamableHttp not found
Ensure you have the latest version: pip install --upgrade openai-agents
Agent not calling tools
Make sure your prompt explicitly references the task the tools can help with.
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