# Crypto Testnet Faucets — MCP tool `findutils:crypto_testnet_faucets`

Returns a curated list of crypto testnet faucets (Ethereum Sepolia, Base, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain, Linea, Solana) with the faucet URL, tokens dispensed, amount, cooldown, auth requirements and USDC contract where known, plus the chain config (chain id, RPC URL, explorer) for each listed network. Filter by network and a search term.

- Category: developer
- MCP server: https://mcp.findutils.com/ (Streamable HTTP, no API keys, 120 req/min per IP)
- REST endpoint: POST https://api.findutils.com/api/tools/crypto-testnet-faucets/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/mcp/crypto-testnet-faucets/
- Same tool on the other surface: https://findutils.com/api/crypto-testnet-faucets/

## Connect

```bash
claude mcp add findutils --transport http https://mcp.findutils.com/
```

Claude Desktop (`claude_desktop_config.json`):

```json
{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}
```

## Call the tool (verified example)

```bash
curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "crypto_testnet_faucets",
      "arguments": {
        "network": "Base"
      }
    }
  }'
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `network` | string (All \| Ethereum \| Base \| Arbitrum \| Optimism \| Polygon \| Avalanche \| BNB Chain \| Linea \| Solana) | no | Network to filter by. Default: "All". Default: `"All"`. |
| `search` | string | no | Case-insensitive search over name, network, tokens, description and tags (every word must match). Optional. |
| `featured_only` | boolean | no | Only return featured faucets. Default: false. Default: `false`. |

Example arguments (verified):

```json
{
  "network": "Base"
}
```

## Also a REST endpoint

```bash
curl -X POST https://api.findutils.com/api/tools/crypto-testnet-faucets/execute \
  -H "Content-Type: application/json" \
  -d '{
    "network": "Base"
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/crypto-testnet-faucets
```

Full REST reference: https://findutils.com/api/crypto-testnet-faucets/ · OpenAPI 3.1 spec: https://findutils.com/api/openapi.json

---
Full catalog: POST https://mcp.findutils.com/ with method `tools/list` · https://findutils.com/mcp/ · https://findutils.com/llms.txt