Setup & Installation
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Version History
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What This Skill Does
Connects to the LI.FI protocol API to find and execute token swaps and cross-chain transfers across 35+ blockchains. Handles quote fetching, route comparison across bridges and DEXes, and returns transaction data ready to sign. Also supports multi-step DeFi compositions (zaps) and transfer status tracking.
Aggregates dozens of bridges and DEXes in a single API call, so finding the best cross-chain route does not require checking each protocol manually.
When to use it
- Bridge ETH from Ethereum to Polygon
- Find the cheapest route for a cross-chain token swap
- Track a pending cross-chain transfer by transaction hash
- Compare bridge options by cost, speed, and estimated output
- Bridge and deposit into a DeFi protocol in one transaction
Example Workflow
Here's how your AI assistant might use this skill in practice.
User asks: bridge 1.5 ETH from Ethereum to USDC on Polygon
- 1Look up USDC token details on Polygon to get its contract address and decimal places
- 2Convert 1.5 ETH to wei: 1500000000000000000
- 3Call GET /v1/quote with fromChain=1, toChain=137, native ETH as fromToken, USDC as toToken, and amount in wei
- 4Present a summary showing estimated USDC output, bridge route, fees, slippage, and estimated time
- 5Return the transactionRequest object for the user's wallet to sign
Transaction data for a Stargate bridge route delivering approximately 2,850 USDC to the user's Polygon wallet in about 2 minutes
Requirements
Accounts, API keys, or tools you or your AI assistant may need to set up while using this skill.