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Early access. Things may change. If something breaks, reach out — we want to hear from you.

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Install CLI

npx spongewallet init

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Install SDK

npm install @paysponge/sdk

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Get started

CLI

Use Sponge from the terminal with npx spongewallet. Initialize an agent, claim it later, and run wallet commands from the command line.

Self-Registration

Create an agent wallet instantly — no master key, no admin. Claim ownership later via a link.

Platforms

Spin up agent wallets programmatically with master keys. Manage fleets, spending limits, allowlists.

AI Agents

Give Claude wallet tools via MCP or direct tool definitions. Check balances, transfer, swap, and perform x402 and MPP payments.

Trading

Swap on Base, Solana, and Tempo. Trade perpetuals on Hyperliquid and prediction markets on Polymarket.

x402 and MPP Payments

Make x402 and MPP payments from agents with the Sponge SDK.

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Supported networks

EthereumEthereum
BaseBase
TempoTempo
SolanaSolana

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Supported markets

HyperliquidHyperliquid
PolymarketPolymarket

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Getting help

This is early access software. If you hit a wall, open an issue or reach out directly — we’re actively building alongside early users.