search_addresses_json
Filter and search Ethereum addresses using 150+ parameters including balance ranges, contract status, transaction counts, and verification status for blockchain analysis.
Instructions
JSON search for addresses with 150+ parameters for comprehensive filtering
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| eth_balance_min | No | Minimum ETH balance (in ETH, e.g., "1.5") | |
| eth_balance_max | No | Maximum ETH balance (in ETH, e.g., "10.0") | |
| is_contract | No | Whether the address is a contract | |
| is_verified | No | Whether the address is verified | |
| has_token_transfers | No | Whether the address has token transfers | |
| transactions_count_min | No | Minimum transactions count | |
| transactions_count_max | No | Maximum transactions count | |
| limit | No | Number of results to return (default: 10, max: 50) | |
| offset | No | Number of results to skip for pagination (default: 0) |
Implementation Reference
- index.js:690-691 (handler)Handler for 'search_addresses_json' tool that proxies the request to the ChainFetch API endpoint '/api/v1/ethereum/addresses/json_search' using the makeRequest helper.case 'search_addresses_json': return await this.makeRequest('/api/v1/ethereum/addresses/json_search', 'GET', args, null, token);
- index.js:60-107 (registration)Registration of the 'search_addresses_json' tool in the listTools response, including name, description, and detailed input schema for JSON-based address search parameters.{ name: 'search_addresses_json', description: 'JSON search for addresses with 150+ parameters for comprehensive filtering', inputSchema: { type: 'object', properties: { eth_balance_min: { type: 'string', description: 'Minimum ETH balance (in ETH, e.g., "1.5")', }, eth_balance_max: { type: 'string', description: 'Maximum ETH balance (in ETH, e.g., "10.0")', }, is_contract: { type: 'boolean', description: 'Whether the address is a contract', }, is_verified: { type: 'boolean', description: 'Whether the address is verified', }, has_token_transfers: { type: 'boolean', description: 'Whether the address has token transfers', }, transactions_count_min: { type: 'integer', description: 'Minimum transactions count', }, transactions_count_max: { type: 'integer', description: 'Maximum transactions count', }, limit: { type: 'integer', description: 'Number of results to return (default: 10, max: 50)', default: 10, }, offset: { type: 'integer', description: 'Number of results to skip for pagination (default: 0)', default: 0, }, }, required: [], }, },
- index.js:634-682 (helper)Helper method 'makeRequest' used by all tool handlers to make authenticated HTTP requests to the ChainFetch API base URL.async makeRequest(endpoint, method = 'GET', params = {}, body = null, token = null) { const chainfetchToken = token || process.env.CHAINFETCH_API_TOKEN; if (!chainfetchToken) { throw new McpError( ErrorCode.InvalidRequest, 'CHAINFETCH_API_TOKEN is required' ); } const url = new URL(`${API_BASE_URL}${endpoint}`); // Add query parameters for GET requests if (method === 'GET' && Object.keys(params).length > 0) { Object.entries(params).forEach(([key, value]) => { if (value !== undefined && value !== null) { if (Array.isArray(value)) { value.forEach(v => url.searchParams.append(`${key}[]`, v)); } else { url.searchParams.append(key, value.toString()); } } }); } const fetchOptions = { method, headers: { 'Authorization': `Bearer ${chainfetchToken}`, 'Content-Type': 'application/json', }, }; if (body && method !== 'GET') { fetchOptions.body = JSON.stringify(body); } const response = await fetch(url.toString(), fetchOptions); if (!response.ok) { const errorText = await response.text(); throw new McpError( ErrorCode.InternalError, `API request failed: ${response.status} ${response.statusText} - ${errorText}` ); } return await response.json(); }