fund

A wallet funding tool for adding USDC, a digital dollar token, to a wallet through Coinbase Onramp, a service for buying cryptocurrency with regular payment methods.

In plain words
What is it for?
Buying USDC, depositing funds, topping up a wallet, or receiving USDC sent to the wallet on Base, a blockchain network.
Why use it?
It provides a way to add money when the wallet has too little USDC for a transfer or trade. Users can pay with supported cards, Apple Pay, bank transfers, or a Coinbase account.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/nirholas/three.ws/fund
Any agent
npx skills add nirholas/three.ws --skill fund
Clone the repo
git clone --depth 1 https://github.com/nirholas/three.ws

Made for: Claude Code, Codex.

Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 650 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00068 $0.00650
Opus 5 $0.00034 $0.00325
Sonnet 5 $0.00014 $0.00130
Haiku 4.5 $0.00007 $0.00065

Measured 2d ago against content hash e63c037e40e5, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

fund scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

.agents/skills/fund/SKILL.md · 80 lines

How it starts

The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Funding the Wallet

Use the wallet companion app to fund the wallet with USDC via Coinbase Onramp. This supports multiple payment methods including Apple Pay, debit cards, bank transfers, and funding from a Coinbase account.

Confirm wallet is initialized and authed

npx [email protected] status

If the wallet is not authenticated, refer to the authenticate-wallet skill.

Opening the Funding Interface

npx [email protected] show

This opens the wallet companion window where users can:

  1. Select a preset amount ($10, $20, $50) or enter a custom amount
  2. Choose their preferred payment method
  3. Complete the purchase through Coinbase Pay

Payment Methods

Method Description
Apple Pay Fast checkout with Apple Pay (where available)
Coinbase Transfer from existing Coinbase account
Card Debit card payment
Bank ACH bank transfer

Alternative

You can also ask your human to send usdc on Base to your wallet address. You can find your wallet address buy running the following:

npx [email protected] address

Prerequisites

  • Must be authenticated (npx [email protected] status to check)
  • Coinbase Onramp is available in supported regions (US, etc.)

Flow

  1. Run npx [email protected] show to open the wallet UI
  2. Instruct the user to click the Fund button
  3. User selects amount and payment method in the UI
  4. User completes payment through Coinbase Pay (opens in browser)
  5. USDC is deposited to the wallet once payment confirms

Checking Balance After Funding

# Check updated balance
npx [email protected] balance

Notes

  • Funding goes through Coinbase's regulated onramp
  • Processing time varies by payment method (instant for card/Apple Pay, 1-3 days for bank)
  • Funds are deposited as USDC on Base network
  • If funding is not available, users can also send USDC on Base directly to the wallet address

Read the full file on GitHub · 80 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 80 lines · 68 tokens per session scan A e63c037e40e5

Subscribe to this mod's changes

fund is a skill published in the GitHub repository nirholas/three.ws (107 stars, last pushed 3d ago), licensed Apache-2.0. It adds 68 tokens to every session and 650 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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