Sponge Wallet — Claude Skill

A Claude Code skill for managing crypto wallets, transferring tokens, swapping on DEXes, and accessing paid APIs via x402 micropayments.

Install

git clone https://github.com/paysponge/wallet-skills.git ~/.claude/skills/sponge-wallet

That's it. No dependencies — just needs Node.js 18+.

Login

On first use, Claude will prompt you to log in. Or run manually:

node ~/.claude/skills/sponge-wallet/scripts/wallet.mjs login

This opens a browser for OAuth authentication. Credentials are saved to ~/.spongewallet/credentials.json.

What it can do

• Check balances across Ethereum, Base, and Solana
• Transfer ETH, SOL, and USDC
• Swap tokens on Solana via Jupiter
• View transaction status and history
• Request funding from your main wallet
• Search the web via Exa (x402)
• Generate images via Gemini (x402)
• Query prediction markets via Dome (x402)
• Scrape web pages via Firecrawl (x402)
• Parse documents via Reducto (x402)
• Find sales prospects via Apollo (x402)

Usage

Just ask Claude naturally:

• "Check my wallet balance"
• "Transfer 10 USDC to 0x..."
• "Swap 1 SOL for USDC"
• "Search for AI research papers"
• "What are the odds on the next election?"

Supported chains

Docs

• SKILL.md — Tool catalog and workflows
• REFERENCE.md — Detailed parameter reference