imgzen — gemini-2.5-flash-image (aka nano-banana), fast generation by Google — $0.020/image (charged only on success)

Detect disposable and temporary email address domains like Mailinator and Tempmail.

Current weather, 5-day forecast, and air quality via OpenWeatherMap free tier.

Withdraw agent ETH balance to USDC (mutates: gas + swap)

Live wallet balance - native ETH plus any ERC20 tokens in one call via eth_getBalance and balanceOf on OneSource Ethereum RPC

Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range

NFT metadata, traits, and image URI for any ERC721 or ERC1155 token - fetched via eth_call with IPFS resolution (OneSource live Ethereum RPC)

ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds

Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on

Simulate a read-only Ethereum contract call via eth_call - no transaction sent

Estimate the gas a transaction will consume via eth_estimateGas before signing it

Pending Ethereum block - mempool transactions not yet mined, via eth_getBlockByNumber("pending")

Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)

ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC

Latest Ethereum block height - current chain tip via eth_blockNumber

Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)

Read a raw storage slot from any Ethereum contract via eth_getStorageAt

List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)

ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet

Ethereum network info - chain ID, block height, and gas price in one batched RPC call (eth_chainId + eth_blockNumber + eth_gasPrice)