{"id":29125723,"url":"https://github.com/duneanalytics/sim-api-mcp","last_synced_at":"2026-05-02T05:04:51.433Z","repository":{"id":298319846,"uuid":"997423761","full_name":"duneanalytics/sim-api-mcp","owner":"duneanalytics","description":"Sim API MCP (Model Context Protocol) Tools to power wallets and onchain apps with fast, reliable access to real-time blockchain activity and ownership data. 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Get your Sim API key from [Sim API Console](https://sim.dune.com)\n\n2. Set environment variable:\n```bash\nexport SIM_API_KEY=your_api_key_here\n```\n\n3. Start the server:\n```bash\npnpm run start\n```\n\n## Usage with Claude Desktop\n\nFirst, start the server locally:\n```bash\npnpm run start\n```\n\nThen add to your Claude Desktop MCP configuration:\n\n```json\n{\n  \"mcpServers\": {\n    \"sim-api\": {\n      \"command\": \"npx\",\n      \"args\": [\n        \"mcp-remote\",\n        \"http://localhost:3000/mcp\"\n      ],\n      \"timeout\": 30000,\n      \"reconnectDelay\": 5000,\n      \"env\": {\n        \"SIM_API_KEY\": \"YOUR_KEY\"\n      }\n    }\n  }\n}\n```\n\n## Available Tools\n\n### EVM Tools\n- `getBalances` - Get token balances for EVM wallet addresses\n- `getEVMTransactions` - Get transaction history for EVM addresses\n- `getTokenPrice` - Get current USD prices for EVM tokens\n- `listSupportedChainsTransactions` - List supported chains for transactions\n- `listSupportedChainsTokenBalances` - List supported chains for balances\n\n### SVM Tools\n- `getSVMBalances` - Get token balances for Solana wallet addresses\n- `getSVMTransactions` - Get transaction history for Solana addresses\n\n## Development\n\n**Note: This project uses pnpm for package management**\n\n```bash\n# Clone and install\ngit clone \u003crepo-url\u003e\ncd sim-api-mcp\npnpm install\n\n# Start development server\npnpm run dev\n\n# Run tests\npnpm test\n```\n\n## API Reference\n\nServer runs on port 3000 by default. 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