Backend & Data · Web3 & Blockchain
Web3 & Blockchain tools
Every Web3 & Blockchain tool worth a solo builder's time - the agent skills, MCP servers and marketplaces tagged Web3 & Blockchain, ranked by community signal. A focused slice of the broader Backend & Data category.
What's in Web3 & Blockchain
Web3 & Blockchain collects 81 curated tools across agent skills, a focused part of the broader Backend & Data category. Every one is screened against a single quality bar and ranked by real community signal.
These tools span Idea, Validate, Build, Ship, Launch, Grow and Operate of the build journey.
Description
1Solana DevBackend & DataRun an end-to-end Solana playbook in your agent for wallets, Anchor programs, typed clients, local tests, and devnet deploy when you build or debug a dapp.33.3k514
2Solidity SecurityBackend & DataHarden Solidity smart contracts with known vulnerability patterns, CEI ordering, and OpenZeppelin guards before mainnet or audit.11.7k36.5k
3Emblem Ai Agent WalletBackend & DataLet a solo builder’s agent connect EmblemAI to profile-scoped wallets, check multi-chain balances, and execute swaps or sends via the emblemai CLI.8.7k7
4Emblem Portfolio TrackerBackend & DataRun a cross-chain crypto portfolio report with USD balances, trade P&L, and DeFi positions through the EmblemAI CLI.8.7k10
5Emblem Defi YieldBackend & DataScan liquid staking, LP, lending yields, and smart-money holdings on a chosen chain using the EmblemAI CLI.8.6k10
6Emblem Memecoin ScoutBackend & DataRun EmblemAI-backed scans of new and trending memecoins on Pump.fun, LaunchLab, Clanker, or Hedera from a shell script.8.6k10
7Emblem Token SwapBackend & DataRun guided multi-chain token swaps and balance checks through the EmblemAI agent wallet CLI while building crypto or agent-wallet features.8.6k10
8Okx Dex MarketBackend & DataQuery OKX OnchainOS DEX market data from the CLI with human-readable chain names, wallet-capable chains, and x402 payment notification handling after free quota.7.4k284
9Web3 TestingBackend & DataStand up Hardhat and Foundry test suites with coverage, gas reports, fuzzing, and mainnet fork scenarios for Solidity contracts.7.4k36.5k
10Okx Wallet PortfolioBackend & DataQuery and reason over OKX Onchain OS wallet balances and portfolio context across named chains using the shared CLI chain resolution.7.3k284
11Okx Dex TokenBackend & DataPull OKX DEX token search, pricing, liquidity, holder risk, trades, and cluster analytics through thirteen CLI commands for trading and research agents.7.3k284
12Okx Dex SwapBackend & DataWire your coding agent to quote and execute DEX token swaps on OKX-supported chains through the onchainos CLI.7.2k284
13Okx Onchain GatewayBackend & DataBootstrap and refresh the OKX onchainos CLI with version checks so other OnchainOS agent skills can call onchain APIs reliably.7.2k284
14Defi Protocol TemplatesBackend & DataBootstrap Solidity patterns for DeFi primitives such as governance tokens and on-chain governors instead of writing ERC20Votes and proposal flows from scratch.7.1k36.5k
15Nft StandardsBackend & DataDrop in Solidity templates for soulbound and dynamic ERC-721 NFTs when you wire on-chain identity or evolving collectibles into a Web3 product.7k36.5k
16WalletBackend & DataWire multi-chain EVM and Solana wallet tools—balances, transfers, signing, and policy—into a Starchild agent via registerable skill tools.7k13
17Orderly OnboardingBackend & DataOnboard your agent to Orderly Network—omnichain perp liquidity, MCP, skills, and the right next doc when building a DEX or trading interface.5.9k13
18Gmgn MarketBackend & DataDiscover trending meme coins, launchpad new tokens, and OHLCV charts across Solana, BSC, Base, and Ethereum without scraping gmgn.ai.5.8k324
19Gmgn TokenBackend & DataRun contract-level due diligence—price, liquidity, holders, smart money, and security flags—before buying a meme or crypto token.5.8k324
20Okx Dex SignalBackend & DataWire your agent to OKX OnchainOS CLI flows for DEX signal and on-chain operations with shared chain resolution and session pre-flight checks.5.2k284
21Okx Agentic WalletBackend & DataWire an OKX OnchainOS agentic wallet into your product so agents resolve chain names, create addresses on seven core chains, and use Gas Station stablecoins on eleven EVM networks.5k284
22Query Token AuditBackend & DataQuery Binance Web3 token security audit data before a swap or buy so you can spot honeypots, tax traps, and malicious contract behavior early.5k881
23Okx SecurityBackend & DataRun Onchain OS security commands to scan tokens, DApps, transactions, signatures, and token approvals before a solo builder signs or ships Web3 features.4.8k284
24Gmgn CookingBackend & DataLaunch meme coins and fair-launch tokens on Pump.fun, FourMeme, Bonk, and other bonding-curve launchpads from your agent via GMGN CLI after explicit confirmation.4.7k324
25Okx X402 PaymentBackend & DataResolve legacy skill invocations that still reference okx-x402-payment by redirecting agents to okx-agent-payments-protocol without executing deprecated payment logic from this stub.4.3k284
26Wallet PolicyBackend & DataTurn plain-language wallet guardrails into Privy policy JSON and propose them for user approval on Ethereum or Solana.-4.1k13
27Okx Defi PortfolioBackend & DataAsk your coding agent to summarize cross-chain DeFi staking, lending, and protocol positions from a wallet address without opening each DApp.3.9k284
28Okx Defi InvestBackend & DataWire OKX OnChainOS DeFi CLI commands into agents or scripts when researching yields, platforms, and chain support for crypto products.3.9k284
29Okx Dex WsBackend & DataStream real-time OKX DEX on-chain data via onchainos ws sessions or custom WebSocket clients for bots and monitors.3.5k284
30Guidelines AdvisorBackend & DataGet Trail of Bits–style smart contract guidance—docs, architecture, upgrades, proxies, quality, pitfalls, deps, and tests—in one structured pass over your repo.3.2k5.6k
31Nodejs Keccak256Backend & DataStop silent Ethereum hash mismatches by using Keccak-256 (ethers/viem) instead of Node crypto sha3-256 for selectors, topics, and packed hashes.3.1k210k
32TradeBackend & DataLet an authenticated agent swap tokens on Base or Polygon when you ask to buy, sell, or convert USDC, ETH, or POL via the awal CLI.3.1k110
33Evm Token DecimalsBackend & DataNormalize ERC-20 balances and fiat values by querying on-chain decimals at runtime instead of hard-coding 6 or 18 decimals per chain.3.1k210k
34SurfBackend & DataInstall when your agent or app needs live crypto prices, wallets, DeFi, on-chain SQL, and social intelligence via one Surf CLI.3k68
35Send UsdcBackend & DataLet your coding agent send USDC, ETH, POL, or SOL on Base, Polygon, or Solana from an initialized Awal wallet when you ask to pay, tip, or transfer to an address or ENS name.3k110
36Binance Tokenized Securities InfoBackend & DataWire Ondo tokenized US stock quotes, RWA metadata, trading halts, and on-chain fundamentals into a Web3 or trading assistant without mixing in generic crypto token APIs.2.9k881
37Crypto ReportBackend & DataDraft structured crypto and DeFi research reports with tokenomics, protocol mechanics, and risk framing before you commit capital or product direction.2.7k196
38Authenticate WalletBackend & DataSign in to the Coinbase Agentic Wallet with the pinned `awal` CLI email OTP flow before send, trade, or fund operations.2.4k110
39Okx Dex BridgeBackend & DataAutomate cross-chain token bridging across OKX-supported networks using the onchainos CLI from your coding agent.2.4k284
40Okx Dapp DiscoveryBackend & DataRoute Chinese-language DeFi and DApp queries to the correct OKX OnchainOS plugin (PancakeSwap, Curve, Compound, etc.) instead of guessing from generic swap verbs.2.3k284
41Okx A2a PaymentBackend & DataResolve legacy agent invocations that still name okx-a2a-payment by redirecting the agent to okx-agent-payments-protocol without executing deprecated payment logic.2.1k284
42Query Onchain DataBackend & DataRun paid SQL queries against Base onchain data (blocks, transactions, events) through Coinbase CDP and x402 via the awal CLI.2.1k110
43Binance Agentic WalletBackend & DataDrive the Binance `baw` CLI from an agent to sign in, check balances, transfer tokens, swap on DEX, and manage wallet security settings.1.9k881
44Okx Growth CompetitionBackend & DataGuide users through OKX OnchainOS competition reward status checks, atomic claims, and post-win contact collection via the onchainos CLI.1.9k284
45EthskillsBackend & DataGive your coding agent current Ethereum, EVM, and DeFi context so smart-contract and dApp work matches production reality instead of stale training data.1.6k226
46Okx Agent Payments ProtocolBackend & DataCreate or fulfill OKX OnchainOS agent-to-agent payment links with wallet login, TEE signing, and status polling.1.5k284
47Defi Attack PatternsBackend & DataAnalyze DeFi protocols for flash-loan, oracle, MEV, governance, and bridge attack paths during smart-contract security reviews with an agent.1.3k980
48Smart Contract VulnerabilitiesBackend & DataRun a structured EVM/Solidity vulnerability audit in your agent before mainnet deploy or during incident triage.1.3k980
49Okx Dex StrategyBackend & DataDesign and execute OKX DEX strategy workflows with the onchainos CLI after shared pre-flight install and version checks.1.3k284
50Okx How To PlayBackend & DataInstall and refresh the OKX OnchainOS CLI before any onchainos skill runs so solo builders do not hit stale or missing binaries mid-session.1.2k284
51Swap IntegrationBackend & DataWire Uniswap Trading API quotes and swap calldata into your app—or an ERC-4337 smart-account bot—for production-grade token swaps on L2s.1.1k212
52Grimoire HyperliquidBackend & DataPull Hyperliquid perp mids, L2 books, metadata, and optional open-order snapshots through the Grimoire venue CLI inside your coding agent.1.1k5
53Grimoire AaveBackend & DataPull Aave V3 chain listings, markets, reserves, and health data through Grimoire CLI commands for DeFi agents and strategy scripts.1k5
54Grimoire UniswapBackend & DataLook up Uniswap V3/V4 router addresses, tokens, and pools via Grimoire’s venue CLI so you can wire DeFi spells without hand-copying chain metadata.1k5
55Grimoire Morpho BlueBackend & DataPull Morpho Blue contract addresses, vault snapshots, and spell-ready params from chain via the Grimoire venue CLI.1k5
56GrimoireBackend & DataRun Grimoire simulate and dry-run cast against a local Anvil fork with pinned blocks and persisted state before touching mainnet.1k5
57Grimoire PendleBackend & DataUse when preflighting Pendle Hosted SDK metadata—chains, markets, assets, aggregators—via Grimoire before DeFi routing or spells.1k5
58Okx Dex SocialBackend & DataWire OKX OnchainOS CLI into an agent workflow for multi-chain DEX and social on-chain actions after pre-flight install checks.881284
59Blockchain DeveloperBackend & DataShip production Web3 apps, smart contracts, and DeFi or NFT integrations without ad-hoc Solidity guidance.82340.1k
60Pump Analyzer SolanaBackend & DataSpin up a zero-build Pump.fun token tracker with live WebSocket feeds, charts, and wallet-aware alerts for Solana memecoin launches.74631
Showing the top 81 of 4,059 tools · search to find the rest.
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Web3 & Blockchain tools - common questions
What counts as a Web3 & Blockchain tool?
Any agent skill, MCP server or marketplace tagged Web3 & Blockchain - a focused slice of the broader Backend & Data category. Skillselion collects every Web3 & Blockchain tool across types on one page.
How are Web3 & Blockchain tools ranked?
By real community signal - installs, GitHub stars and votes - not paid placement. Sponsored slots, when present, are labelled and kept out of the ranking.