Web3 tools for Claude Code, Codex & Cursor

Web3 tools for Claude Code, Codex and Cursor - skills, MCP servers and workflows for Solidity, Ethereum, smart contracts.

483 Web3 tools are ranked for Claude Code, Codex and Cursor by real adoption - installs first, then GitHub stars. Updated July 28, 2026.

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410 entries

#Tool▲▼Trend▲▼Installs▲▼Stars▲▼

1Solidity Securitywshobson/agentsCatch and fix critical Solidity vulnerabilities like reentrancy before deploying smart contracts.Backend & Data

12.9k38.3k

2Extension Http Outcallscaffeinelabs/skillsEnable their Internet Computer backend canister to make secure HTTP GET and POST requests to external APIs.Backend & Data

8.8k0

3Okx Dapp Discoveryokx/onchainos-skillsCorrectly route Chinese-language DeFi and on-chain queries to the right protocol plugins inside an agent workflow.Backend & Data

8.4k316

▸+2 more from okx/onchainos-skills15.7k installs

6Query Token Infobinance/binance-skills-hubGive your coding agent a Node CLI to search Binance tokens and pull metadata while you build crypto or DeFi features.Backend & Data

6k942

7Coderstarchild-ai-agent/official-skillsGet an always-on code specialist that reads context, makes surgical edits, runs verification commands, and delivers working, tested code instead of placeholder suggestiBackend & Data-4.1k18

▸+2 more from starchild-ai-agent/official-skills8k installs

10Algorand Vulnerability Scannertrailofbits/skillsAutomatically scan Algorand smart contracts and smart signatures for critical rekeying attacks, unchecked transaction fees, and other high-severity vulnerabBackend & Data

3.8k6.3k

11Nodejs Keccak256affaan-m/everything-claude-codeCompute correct Ethereum Keccak-256 hashes in JavaScript and TypeScript instead of the incompatible NIST SHA3-256 from Node crypto.Backend & Data

3.8k234k

12Evm Token Decimalsaffaan-m/everything-claude-codeEliminate silent decimal-mismatch bugs when reading ERC-20 balances or calculating fiat values across EVM chains.Backend & Data

3.7k234k

13Onchain Pay Open Apibinance/binance-skills-hubSign and call Binance Onchain Pay Open API endpoints securely from scripts or agents.Backend & Data

3.6k942

14Colosseum Copilotcolosseumorg/colosseum-copilotQuery hackathon data, analyze projects, and generate contextual suggestions while building AI agents and competitive submissions.Backend & Data

2.9k11

15Ethskillsaustintgriffith/ethskillsGive their coding agent accurate, up-to-date Ethereum, EVM, and blockchain knowledge that prevents hallucinations about gas costs, token standards, L2 networks, and DeFBackend & Data

2.1k241

16Defi Attack Patternsyaklang/hack-skillsGive their agent deep knowledge of real-world DeFi exploits when auditing smart contracts or analyzing protocol attacks.Backend & Data

2.1k1.5k

17Smart Contract Vulnerabilitiesyaklang/hack-skillsSystematically audit Solidity and EVM smart contracts for high-severity vulnerabilities before deployment.Backend & Data

2.1k1.5k

18Daangn Cars Searchnomadamas/k-skillQuickly surface real-time used-car market data from Korea's largest classifieds platform inside agent workflows.Backend & Data

1.6k6.5k

19Adspower Browseradspower/adspower-browserProgrammatically create, launch, and manage AdsPower anti-detect browser profiles and proxies directly from Claude or Cursor agents.Backend & Data

1.4k119

20Blockchain Developersickn33/antigravity-awesome-skillsGet expert guidance, best practices, checklists, and implementation steps when building production-grade smart contracts, DeFi protocols, NFT platforms, DAOs, orBackend & Data

1k44k

21Solanamindrally/skillsGet expert guidance when writing secure, efficient Solana programs using Rust, the Anchor framework, and Web3.js.Backend & Data

589201

▸+2 more from mindrally/skills1.2k installs

22Use Smart Contract Platformcirclefin/skillsCorrectly call Circle's smart contract platform APIs and handle blockchain interactions without writing low-level transaction code from scratch.Backend & Data

586133

▸+2 more from circlefin/skills892 installs

25Simduneanalytics/skillsPrototype and simulate on-chain analytics queries, dashboards, and metrics on Dune before committing schemas, contracts, or production pipelines.Backend & Data

51122

27Bankr Agent Transfersbankrbot/claude-pluginsEnable Bankr agents to send tokens or native assets with address validation, fee estimation, and transfer confirmation.Backend & Data

45579

▸+12 more from bankrbot/claude-plugins4.3k installs

29Polymarket Pluginokx/plugin-storeWire Polymarket prediction market listings, odds, and trading actions into OKX plugin or agent experiences via onchain market APIs.Backend & Data

41812

30Nansen Smart Money Alphanansen-ai/nansen-cliQuery Nansen CLI smart-money flows to spot whale accumulation, sector rotation, and on-chain alpha signals before broader market repricing.Backend & Data

405126

▸+15 more from nansen-ai/nansen-cli5.3k installs

31Ethereum Wingmanaustintgriffith/ethereum-wingmanAccelerate Ethereum smart contract, dApp, and wallet integration work with guided patterns for Solidity, tooling, testing, and deployment decisions.Backend & Data

39045

43Alchemy Clialchemyplatform/skillsConfigure Alchemy RPC keys, spin up local chain tooling, and wire blockchain providers into apps or agents without hand-rolling auth, endpoints, and deployment scripts each time.Backend & Data

35845

59Cli Anything Eth2 Quickstarthkuds/cli-anythingBootstrap Ethereum 2 staking or validator quickstart flows via CLI when prototyping Web3 backends, testnets, or node integrations.Backend & Data

33646.1k