swap-integration

Integrate Uniswap swaps across CLASSIC and UniswapX routes with Viem and Universal Router.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/sherwoodagent/sherwood --skill swap-integration-sherwoodagent
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swap-integration
Source: https://github.com/sherwoodagent/sherwood/tree/main/.agents/skills/swap-integration
Command: npx skills add https://github.com/sherwoodagent/sherwood --skill swap-integration-sherwoodagent

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Integrate Uniswap swaps into frontend, backend, and smart-contract applications to enable seamless cross-chain trading with Uniswap.

Core Features & Use Cases

  • End-to-end swap workflows: quote retrieval, validation, and swap execution across CLASSIC and UniswapX routes.
  • Guidance on approvals, signature flows (Permit2 vs UniswapX), and Universal Router command encoding for on-chain swaps.
  • Use Case: Build a swap widget in a frontend or automate backend swap strategies in a trading bot.

Quick Start

Set up a basic Uniswap swap integration in your app, including fetching quotes and submitting swaps via the Trading API.

Frequently Asked Questions about swap-integration

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I integrate Uniswap swaps into my frontend application?▼

To integrate Uniswap swaps into a frontend application, you need to implement end-to-end swap workflows including quote retrieval, signature handling, and on-chain execution via the Universal Router using a Viem-based client setup.

What is the difference between Permit2 and UniswapX signature flows for trading?▼

Permit2 and UniswapX represent distinct signature flows for routing swaps. Permit2 handles token approvals for CLASSIC routes, while UniswapX manages off-chain signature flows to ensure safe and compliant cross-chain swap execution.

How do I fetch quotes and submit swaps via the Uniswap Trading API?▼

You can fetch quotes and submit swaps via the Uniswap Trading API by setting up a basic integration that performs input validation, retrieves quotes, and encodes Universal Router commands for on-chain swap execution.

Do I need Viem to execute on-chain swaps with the Universal Router?▼

Yes, Viem is required for executing on-chain swaps with the Universal Router. A Viem-based client setup is necessary to handle interactions, approvals, and command encoding for both CLASSIC and UniswapX routes.

Can I automate backend swap strategies using UniswapX routes?▼

Yes, you can automate backend swap strategies in a trading bot using UniswapX routes. The integration supports end-to-end workflows including quote checks, signature handling, and on-chain execution for automated trading.

What are the limitations when encoding Universal Router commands for cross-chain swaps?▼

When encoding Universal Router commands, you must carefully handle Permit2 versus UniswapX flows and perform input validation. Limitations arise from incorrect command encoding or failing to properly manage route-specific signature requirements.