alchemy-web3

Interact with Alchemy's Web3 APIs for blockchain data, NFTs, tokens, transfers, and webhooks across 80+ chains.

1.04x

Quality

63%

Does it follow best practices?

Impact

98%

1.04x

Average score across 3 eval scenarios

Securityby

Advisory

Suggest reviewing before use

Optimize this skill with Tessl

npx tessl skill review --optimize ./data/skills-md/0xgizmolab/alchemy-web3-skill/alchemy-web3/SKILL.md

Evaluation results

100%

Wallet Analytics Module

Alchemy SDK integration

Criteria

Without context

With context

alchemy-sdk package

100%

Correct SDK import

100%

API key from environment

100%

Network constant used

100%

getNftsForOwner method

100%

getTokenBalances method

100%

getAssetTransfers method

100%

Transfer category param

100%

ownedNfts result field

100%

Report env var documented

100%

Without context: $0.3691 · 1m 25s · 19 turns · 26 in / 5,449 out tokens

With context: $0.6144 · 2m 7s · 25 turns · 32 in / 6,971 out tokens

94%

-6%

Transaction History Audit Script

JSON-RPC direct API transfers

Criteria

Without context

With context

Correct API base URL

100%

API key in URL path

100%

API key from environment

100%

alchemy_getAssetTransfers method

100%

fromBlock and toBlock params

100%

Comprehensive categories

100%

Both directions queried

100%

maxCount parameter

100%

429 error handling

100%

401 error handling

100%

JSON-RPC structure

100%

Without context: $0.2658 · 1m 12s · 16 turns · 22 in / 4,265 out tokens

With context: $0.3230 · 59s · 16 turns · 21 in / 3,652 out tokens

100%

18%

Cross-Chain Portfolio Snapshot Tool

Multi-chain token and NFT queries

Criteria

Without context

With context

eth-mainnet prefix

100%

polygon-mainnet prefix

100%

arb-mainnet prefix

100%

base-mainnet prefix

100%

alchemy_getTokenBalances method

100%

NFT API URL format

100%

getNFTsForOwner endpoint

100%

alchemy_getTokenMetadata method

100%

API key from environment

100%

API key in URL path

100%

All four chains queried

100%

Without context: $0.2171 · 1m · 13 turns · 17 in / 4,333 out tokens

With context: $0.3463 · 1m 11s · 15 turns · 271 in / 4,637 out tokens

Repository: NeverSight/skills_feed
Commit: 5342bca

Evaluated: 13 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Wallet Analytics Module Transaction History Audit Script Cross-Chain Portfolio Snapshot Tool

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