send-usdc
coinbase/agentic-wallet-skills
Send USDC, ETH, POL, or SOL to any address or ENS name on Base, Polygon, or Solana.
What is send-usdc?
Transfer tokens from your authenticated wallet to another address or ENS name across multiple blockchains. Use this when you need to send money, pay someone, tip, donate, or transfer funds to a wallet address or .eth name.
- Send USDC, ETH, POL, or SOL tokens to Ethereum addresses, ENS names, or Solana addresses
- Support for Base, Polygon, and Solana blockchains
- Automatic ENS name resolution to wallet addresses
- Flexible amount input: dollar amounts, decimals, or atomic units
- JSON output option for programmatic use
- Input validation to prevent shell injection attacks
How to install send-usdc
npx skills add https://github.com/coinbase/agentic-wallet-skills --skill send-usdc- Wallet must be authenticated (run `npx awal@2.10.0 status` to verify)
- Sufficient token balance for the transfer amount
- Valid recipient: Ethereum address (0x...), ENS name (.eth), or Solana Base58 address
How to use send-usdc
- 1.Verify wallet is authenticated by running `npx awal@2.10.0 status`
- 2.Determine the amount, recipient address or ENS name, and target chain
- 3.Run `npx awal@2.10.0 send <amount> <recipient> [--chain <chain>] [--asset <asset>]`
- 4.For dollar amounts with $ prefix, use single quotes: `npx awal@2.10.0 send '$5.00' address`
- 5.Check the output to confirm the transaction was submitted
Use cases
- Send $5 USDC to a friend's wallet address on Base
- Pay someone using their ENS name (e.g., vitalik.eth)
- Transfer USDC to a Polygon address for lower fees
- Tip content creators with SOL on Solana
- Send ETH on Base for gas or contract interactions
- Users managing cryptocurrency wallets
- Developers building payment or tipping features
- Anyone sending tokens across Base, Polygon, or Solana networks
send-usdc FAQ
Base, Polygon, and Solana. Tokens: USDC (all chains), ETH (Base only), POL (Polygon only), SOL (Solana only).
Use dollar amounts ('$1.00'), decimals (1.00), or atomic units (1000000 = $1). Amounts with $ must be single-quoted to prevent bash expansion.
Yes. ENS names like vitalik.eth are automatically resolved to Ethereum addresses on mainnet.
Check your balance with `npx awal@2.10.0 balance`. You may need to fund your wallet or use a different token.
The command will display the transaction details. Use `--json` flag for machine-readable output.
Full instructions (SKILL.md)
Source of truth, from coinbase/agentic-wallet-skills.
name: send-usdc description: Send tokens (USDC, ETH, POL, or SOL) to an address or ENS name on Base, Polygon, or Solana. Use when you or the user want to send money, pay someone, transfer tokens, tip, donate, or send funds to a wallet address or .eth name. Covers phrases like "send $5 to", "pay 0x...", "transfer to vitalik.eth", or "send USDC on Solana". user-invocable: true disable-model-invocation: false allowed-tools: ["Bash(npx awal@2.10.0 status*)", "Bash(npx awal@2.10.0 send )", "Bash(npx awal@2.10.0 balance)"]
Sending Tokens
Use the npx awal@2.10.0 send command to transfer tokens from the wallet to any address on Base, Polygon, or Solana.
Confirm wallet is initialized and authed
npx awal@2.10.0 status
If the wallet is not authenticated, refer to the authenticate-wallet skill.
Command Syntax
npx awal@2.10.0 send <amount> <recipient> [--chain <chain>] [--asset <asset>] [--json]
Arguments
| Argument | Description |
|---|---|
amount | Amount to send: '$1.00', '1.00', or atomic units (1000000 = $1). Always single-quote amounts that use $ to prevent bash variable expansion. If the number looks like atomic units (no decimal or > 100), treat as atomic units. Assume that people won't be sending more than 100 USDC the majority of the time |
recipient | Ethereum address (0x...), ENS name (vitalik.eth), or Solana address (Base58) |
Options
| Option | Description |
|---|---|
--chain <name> | Blockchain network: base, polygon, solana (default: base) |
--asset <symbol> | Token to send: usdc, eth, pol, sol (default: usdc) |
--json | Output result as JSON |
Input Validation
Before constructing the command, validate all user-provided values to prevent shell injection:
- amount: Must match
^\$?[\d.]+$(digits, optional decimal point, optional$prefix). Reject if it contains spaces, semicolons, pipes, backticks, or other shell metacharacters. - recipient: Must be a valid
0xhex address (^0x[0-9a-fA-F]{40}$), an ENS name (^[a-zA-Z0-9.-]+\.eth$), or a Solana address (^[1-9A-HJ-NP-Za-km-z]{32,44}$). Reject any value containing spaces or shell metacharacters. - chain: Must be one of
base,polygon,solana. Reject any other value. - asset: Must be one of
usdc,eth,pol,sol. Reject any other value.
Do not pass unvalidated user input into the command.
Examples
# Send $1.00 USDC to an address on Base (default)
npx awal@2.10.0 send 1 0x1234...abcd
# Send $0.50 USDC to an ENS name
npx awal@2.10.0 send 0.50 vitalik.eth
# Send with dollar sign prefix (note the single quotes)
npx awal@2.10.0 send '$5.00' 0x1234...abcd
# Send ETH on Base
npx awal@2.10.0 send 0.01 0x1234...abcd --asset eth
# Send USDC on Polygon
npx awal@2.10.0 send 1 0x1234...abcd --chain polygon
# Send USDC to a Solana address
npx awal@2.10.0 send 1 AxW7...5fGz --chain solana
# Get JSON output
npx awal@2.10.0 send 1 vitalik.eth --json
ENS Resolution
ENS names are automatically resolved to addresses via Ethereum mainnet. The command will:
- Detect ENS names (any string containing a dot that isn't a hex address)
- Resolve the name to an address
- Display both the ENS name and resolved address in the output
Prerequisites
- Must be authenticated (
npx awal@2.10.0 statusto check,npx awal@2.10.0 auth loginto sign in, see skillauthenticate-walletfor more information) - Wallet must have sufficient USDC balance (
npx awal balanceto check)
Error Handling
Common errors:
- "Not authenticated" - Run
awal auth login <email>first - "Insufficient balance" - Check balance with
awal balance - "Could not resolve ENS name" - Verify the ENS name exists
- "Invalid recipient" - Must be valid 0x address, ENS name, or Solana Base58 address
- "SOL only supported on Solana chains" - Use
--chain solanawhen sending SOL - "ETH/POL only supported on EVM chains" - ETH on base, POL on polygon
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