> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Chainstack updates: April 18, 2026

> New Chainstack MCP server tool: request_testnet_funds tops up testnet addresses with gas across 12 EVM, Solana, and TON networks, directly from your agent.

**MCP Server**. New tool: **`request_testnet_funds`**. Top up testnet addresses with gas for EVM, Solana, or TON development — directly from your agent.

* 12 networks: Ethereum Sepolia, Ethereum Hoodi, Base Sepolia, Polygon Amoy, BNB testnet, zkSync Sepolia, Scroll Sepolia, HyperEVM testnet, Plasma testnet, Monad testnet, TON testnet, and Solana devnet.
* The faucet tops an address **up to the per-network cap** rather than sending a fixed amount; if the address is already at the cap, the call fails.
* API key required. Rate-limiting is tracked per organization (24h cooldown), and on cooldown the response tells your agent exactly when to retry.