A comprehensive multi-chain crypto wallet and paid API gateway for autonomous AI agents.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install sponge-wallet
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install sponge-wallet using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Sponge Wallet Skill?
Sponge Wallet is a versatile tool designed for AI agents within the Openclaw Skills ecosystem, enabling seamless interaction with both blockchain networks and premium data services. It supports Ethereum, Base, and Solana for asset management, including token transfers and decentralized exchange swaps via Jupiter.
Beyond financial transactions, the skill leverages x402 micropayments to provide programmatic access to a suite of paid APIs. This allows agents to perform web scraping, image generation, search queries, and document parsing without manual overhead, making it an essential component for developers building autonomous financial and research-oriented Openclaw Skills.
Sponge Wallet Skill Use Cases
- Automating cross-chain token transfers and real-time balance monitoring.
- Executing decentralized exchange swaps on Solana using Jupiter for portfolio management.
- Accessing premium AI services like DALL-E or specialized search via x402 payments.
- Building autonomous research agents that pay for web scraping and document parsing on demand.
- Managing project funding and withdrawals through a centralized wallet interface in Openclaw Skills.
How Sponge Wallet Skill Works
- The agent authenticates via a two-phase device flow, storing credentials securely in the local environment.
- Users or agents invoke specific tools using JSON arguments passed to the wallet script.
- For financial operations, the skill interacts directly with EVM-compatible or Solana blockchains to execute transfers or swaps.
- For API tasks, the skill utilizes the Sponge x402 protocol to handle micropayments and retrieve data from premium providers.
- The system returns structured JSON responses, allowing the Openclaw Skills agent to process transaction hashes, balances, or API results efficiently.
Sponge Wallet Skill Setup
To integrate this into your environment, follow these steps:
- Initialize the authentication process:
node scripts/wallet.mjs login
- Follow the verification URL provided in the console and enter the unique user code.
- Complete the login by polling for the access token using the values from the first step:
node scripts/wallet.mjs login --poll <device_code> <interval> <expires_in>
- Verify your identity and connection status:
node wallet.mjs whoami
This setup ensures your Openclaw Skills agent is ready for secure transactions and API access.
Sponge Wallet Skill Data Schema & Taxonomy
The skill organizes data primarily through JSON outputs and a local credential store.
| Field | Description |
|---|---|
status |
Indicates success or error for the requested operation. |
chain |
The target blockchain (e.g., ethereum, base, solana, sepolia). |
credentials.json |
Stored in ~/.spongewallet/ to maintain session persistence. |
transaction_hash |
Returned after successful transfers or swaps for on-chain tracking. |
x402_payload |
Metadata required for processing micropayments for paid Openclaw Skills services. |
Sponge Wallet Skill Advanced Features
- Native integration with Jupiter for optimized, low-slippage token swaps on Solana.
- Dual-layer support for both testnets (Sepolia, Devnet) and mainnet production environments.
- x402 micropayment support for on-demand access to search, image generation, and prospecting APIs.
- Automated credential resolution prioritizing environment variables for CI/CD integrations.
- Flexible funding request system to manage liquidity for autonomous Openclaw Skills agents.
SKILL.md
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