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coinvest518
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alchemy

Fetch wallet balances, token prices, transfers, and NFTs across EVM networks via Alchemy.

Updated Mar 18, 2026
Search Tags:#alchemy#gas#evm#token-balances#price-data#nfts#wallet-balances
One-click install
npx skills add https://github.com/coinvest518/deepagents-LANGCLAW --skill alchemy-coinvest518
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: alchemy
Source: https://github.com/coinvest518/deepagents-LANGCLAW/tree/main/libs/cli/deepagents_cli/built_in_skills/alchemy
Command: npx skills add https://github.com/coinvest518/deepagents-LANGCLAW --skill alchemy-coinvest518

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This skill provides read access to Alchemy APIs for wallet balances, token balances, prices, transfers, NFTs, and gas data across major EVM networks. It enables agents to fetch real-time data without SDK dependencies and to simulate asset changes.

Core Features & Use Cases

  • Read wallet balances (ETH, tokens, NFTs) across eth-mainnet, base-mainnet, polygon-mainnet, arb-mainnet, and opt-mainnet.
  • Get real-time token prices via Alchemy's price API.
  • Retrieve full asset transfer history, NFTs, and gas information.
  • Simulate a transaction to preview asset changes before sending.

Quick Start

Use this skill to fetch the ETH balance for an address on eth-mainnet, then retrieve token balances and price data.

Frequently Asked Questions about alchemy

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

FAQPage Schema
How do I fetch wallet balances and token holdings across multiple EVM networks?▼

To fetch wallet balances and token holdings across EVM networks, you can use plain HTTP requests to retrieve ETH, token, and NFT balances for addresses on chains like eth-mainnet, base-mainnet, and polygon-mainnet.

Can I get real-time token prices and gas data without installing an SDK?▼

Yes, you can retrieve real-time token prices and gas data without an SDK by making plain HTTP requests to the price and gas API endpoints using your ALCHEMY_API_KEY.

What EVM networks are supported for checking address balances and asset transfers?▼

Supported EVM networks for checking address balances and asset transfers include eth-mainnet, base-mainnet, polygon-mainnet, arb-mainnet, and opt-mainnet.

How do I simulate a transaction to preview asset changes before sending?▼

You can simulate a transaction to preview asset changes before sending by using the simulate function, which evaluates the transaction impact on wallet balances without broadcasting it.

Do I need an Alchemy API key to retrieve NFT ownership and transfer history?▼

Yes, you need an ALCHEMY_API_KEY to retrieve NFT ownership and transfer history, as this key authorizes the plain HTTP requests to fetch the blockchain data.

Is there a way to inspect full asset transfer history for a specific wallet address?▼

You can inspect full asset transfer history for a specific wallet address by calling the transfers function, which retrieves historical asset movement records across supported EVM networks.

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