Blockrun
📇 ☁️ 🍎 🪟 🐧 - Access 30+ AI models (GPT-5, Claude, Gemini, Grok, DeepSeek) without API keys. Pay-per-use via x402 micropayments with USDC on Base.
What is Blockrun?
Blockrun is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to 📇 ☁️ 🍎 🪟 🐧 - access 30+ ai models (gpt-5, claude, gemini, grok, deepseek) without api keys. pay-per-use via x402 micropayments with usdc on base.
📇 ☁️ 🍎 🪟 🐧 - Access 30+ AI models (GPT-5, Claude, Gemini, Grok, DeepSeek) without API keys. Pay-per-use via x402 micropayments with USDC on Base.
This server falls under the Finance & Fintech category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- 📇 ☁️ 🍎 🪟 🐧 - Access 30+ AI models (GPT-5, Claude, Gemini, Gr
Use Cases
Maintainer
Works with
Installation
NPM
npx -y @blockrun/mcpManual Installation
npx -y @blockrun/mcpConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Blockrun
Blockrun MCP gives AI assistants access to over 66 AI models and a wide set of blockchain and financial data tools — all without individual API keys. It uses x402 micropayments with USDC on the Base blockchain (and optionally Solana) to pay for each tool call, so you only pay for what you use. Tools cover AI chat routing, prediction markets (Polymarket, Kalshi), neural web search, real-time crypto prices, image and video generation, text-to-speech, DeFi analytics via DefiLlama, on-chain RPC calls across 40+ chains, and CEX/DEX data.
Prerequisites
- Node.js 18 or higher installed
- An MCP client such as Claude Code, Claude Desktop, Cursor, or Windsurf
- Approximately $5 USDC on Base blockchain (or Solana) to fund micropayments — wallet is auto-created on first run
- No other API keys required
Add Blockrun to Claude Code (quickest method)
For Claude Code, the mcp add command is the fastest way to install and configure Blockrun at the user level.
claude mcp add blockrun -s user -- npx -y @blockrun/mcp@latestOr add to claude_desktop_config.json for Claude Desktop
If using Claude Desktop, add the server entry to your config file. No environment variables are required — the wallet is created automatically.
Start the server and set up your wallet
On first run, Blockrun creates a ~/.blockrun/.session file containing your EVM private key. Run the setup tool to get your wallet address and funding instructions.
npx -y @blockrun/mcp@latestFund your wallet with USDC on Base
Ask your AI assistant to run the wallet setup tool to get your deposit address, then send USDC on the Base network to that address. The minimum practical amount is around $5.
Verify tools are available
Ask your AI assistant to list the available Blockrun tools to confirm the server is connected and your wallet is funded.
Blockrun Examples
Client configuration
Add this to your claude_desktop_config.json. No API keys or environment variables needed — wallet credentials are stored locally.
{
"mcpServers": {
"blockrun": {
"command": "npx",
"args": ["-y", "@blockrun/mcp@latest"]
}
}
}Prompts to try
Once Blockrun is connected and your wallet is funded, try these prompts.
- "What is Polymarket saying about the probability of a Fed rate cut next month?"
- "Generate an image of a retro-futuristic city at night in 4K quality."
- "Search for recent research papers on speculative decoding in LLMs."
- "What is the current price of ETH/USD and show me the last 24h OHLC data?"
- "Check the TVL and top yield opportunities on DefiLlama for the Base network."
- "What is the USDC balance of my Blockrun wallet?"Troubleshooting Blockrun
Tool calls fail with insufficient funds error
Ask your assistant to run 'blockrun_wallet action:"balance"' to check your current balance, then fund your wallet with more USDC on the Base network using the address shown.
Wallet session file not found or wallet not created
The ~/.blockrun/.session file is created automatically on first run. If it is missing, re-run 'npx -y @blockrun/mcp@latest' once directly in your terminal to initialise it.
Solana tools not working or wrong chain being used
Chain selection priority is: ~/.blockrun/.chain file, then SOLANA_WALLET_KEY environment variable, then ~/.blockrun/.solana-session, then Base (default). Create ~/.blockrun/.chain with the content 'solana' to force Solana mode.
Frequently Asked Questions about Blockrun
What is Blockrun?
Blockrun is a Model Context Protocol (MCP) server that 📇 ☁️ 🍎 🪟 🐧 - access 30+ ai models (gpt-5, claude, gemini, grok, deepseek) without api keys. pay-per-use via x402 micropayments with usdc on base. It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Blockrun?
Install via npm with the command: npx -y @blockrun/mcp. Then add the server configuration to your AI client's JSON config file (e.g., claude_desktop_config.json or .cursor/mcp.json).
Which AI clients work with Blockrun?
Blockrun works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Blockrun free to use?
Yes, Blockrun is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
Blockrun Alternatives — Similar Finance & Fintech Servers
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Stripe
★ 1.6kThe Stripe Model Context Protocol server allows you to integrate with Stripe APIs through function calling. This protocol supports various tools to interact with different Stripe services.
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Set Up Blockrun in Your Editor
Choose your AI client for step-by-step setup instructions.
Quick Config Preview
Add this to your claude_desktop_config.json or .cursor/mcp.json
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