moonpay-swap-tokens | alchemy-skills | ClaudePluginHub

Skill

moonpay-swap-tokens

From alchemy-skills

Swaps tokens on the same chain or bridges across chains using mp CLI commands via swaps.xyz. Supports Solana, Ethereum, Polygon, Arbitrum, Optimism, and more for trading or moving tokens.

$

npx claudepluginhub moonpay/skills --plugin alchemy-skills

Tool Access

This skill uses the workspace's default tool permissions.

Preview

Swap tokens on the same chain, or bridge tokens across chains. Two commands:

SKILL.md

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Stats

Stars99

Forks18

Last CommitMar 18, 2026

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Swap or bridge tokens

Goal

Swap tokens on the same chain, or bridge tokens across chains. Two commands:

mp token swap — same chain, different tokens
mp token bridge — cross chain

Both build via swaps.xyz, sign locally, broadcast, and register for tracking.

Commands

Swap (same chain)

mp token swap \
  --wallet <wallet-name> \
  --chain <chain> \
  --from-token <token-address> \
  --from-amount <amount> \
  --to-token <token-address>

Supports exact-out: use --to-amount instead of --from-amount.

Bridge (cross chain)

mp token bridge \
  --from-wallet <wallet-name> \
  --from-chain <chain> \
  --from-token <token-address> \
  --from-amount <amount> \
  --to-chain <chain> \
  --to-token <token-address> \
  --to-wallet <wallet-name>  # optional, defaults to from-wallet

Supports exact-out: use --to-amount instead of --from-amount.

Examples

Same-chain swap (SOL → USDC on Solana)

mp token swap \
  --wallet main --chain solana \
  --from-token So11111111111111111111111111111111111111111 \
  --from-amount 0.1 \
  --to-token EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v

Cross-chain bridge (ETH → USDC.e on Polygon)

mp token bridge \
  --from-wallet funded --from-chain ethereum \
  --from-token 0x0000000000000000000000000000000000000000 \
  --from-amount 0.003 \
  --to-chain polygon \
  --to-token 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174

ERC20 swap (auto-approves if needed)

mp token swap \
  --wallet funded --chain polygon \
  --from-token 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174 \
  --from-amount 5 \
  --to-token 0x0000000000000000000000000000000000000000

Supported chains

solana, ethereum, base, polygon, arbitrum, optimism, bnb, avalanche, bitcoin (bridges only)

How it works

Resolves wallet name → address
Builds unsigned transaction via swaps.xyz (handles decimal conversion)
If ERC20 token needs approval, sends an approve transaction first, then re-builds
Signs locally — private key never leaves the machine
Broadcasts to the network
Registers for tracking

token swap calls token bridge under the hood with from-chain = to-chain.

Tips

If the user provides token names/symbols, resolve to addresses with mp token search --query "USDC" --chain solana
Check balances first with mp token balance list --wallet <address> --chain <chain>
Native tokens use 0x0000000000000000000000000000000000000000 (EVM) or So11111111111111111111111111111111111111111 (Solana)

Related skills

moonpay-discover-tokens — Search for token addresses
moonpay-check-wallet — Check balances before swapping
moonpay-auth — Set up wallets for signing