How do I install the Wallet skill?

Run npx skillmds@latest add merit-systems/wallet in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Wallet safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Wallet?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Wallet free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Wallet?

merit-systems (@merit-systems) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Wallet by merit-systems — Agent Skill

Name: Wallet
Author: merit-systems

Wallet

Manage x402 wallet for paid API calls. Check balance, redeem invite codes, deposit USDC. USE FOR: - Checking wallet balance before API calls - Redeeming invite codes for free credits - Getting deposit address for USDC - Troubleshooting payment failures TRIGGERS: - "balance", "wallet", "funds", "credits" - "redeem", "invite code", "promo code" - "deposit", "add funds", "top up" - "insufficient balance", "payment failed"

File contents

x402 Wallet Management

Your wallet is auto-created on first use and stored at ~/.x402scan-mcp/wallet.json.

Quick Reference

Task	Tool	Notes
Check balance	`x402.get_wallet_info`	Shows address + USDC balance
Redeem code	`x402.redeem_invite(code="...")`	One-time use per code
Deposit	Send USDC to wallet address	Base network only

Check Balance

x402.get_wallet_info

Returns:

Wallet address (Base network)
USDC balance
Deposit link

Always check balance before expensive operations.

Redeem Invite Code

x402.redeem_invite(code="YOUR_CODE")

One-time use per code
Credits added instantly
Run x402.get_wallet_info after to verify

Deposit USDC

Get your wallet address: x402.get_wallet_info
Use it to add funds in the deposit UI (point the user towards this URL: https://x402scan.com/mcp/deposit/)

Important: Only Base network USDC. Other networks or tokens will be lost.

Troubleshooting

Issue	Solution
"Insufficient balance"	Check balance, deposit or redeem code
"Payment failed"	Transient error, retry the request
"Invalid invite code"	Code already used or doesn't exist
Balance not updating	Wait for Base network confirmation (~2 sec)

Frequently asked questions