Solana helper functions

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Cryptographic functions for ethereum and how to use them with web3 and solidity

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Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over the deployment and execution, Hardhat Ignit

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JavaScript library containing aggregated information and abstractions for web3 blockchains.

React hooks and providers for ChainGate — integrate multi-chain cryptocurrency wallets into React apps with two hooks. Create, import, and manage wallets across Bitcoin, Ethereum, and 30+ blockchains with zero boilerplate and automatic state synchronizati

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Multi-chain cryptocurrency SDK for TypeScript — unified API for Bitcoin, Ethereum, Litecoin, Dogecoin, Bitcoin Cash, Polygon, Arbitrum, and any EVM-compatible chain. Create wallets, query balances, send transactions, and manage tokens and NFTs across UTXO

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The full stack toolkit to build onchain app UX.

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Unified agent-economy SDK for autonomous AI agents — chain-opaque AiFinPayAgent surface (call/openSession/balance/verify) over Polygon and Solana execution environments.

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Donate to charities onchain via Endaoment. Use when the user wants to donate crypto to charity, make a charitable contribution, give to nonprofits, support a cause, or donate to a 501(c)(3). Supports Base, Ethereum, and Optimism. Handles USDC donations directly or swaps ETH/tokens to USDC automatically.

Deploy ERC20 tokens on Base, Ethereum, Arbitrum, and other EVM chains using the Clanker SDK. Use when the user wants to deploy a new token, create a memecoin, set up token vesting, configure airdrops, manage token rewards, claim LP fees, or update token metadata. Supports V4 deployment with vaults, airdrops, dev buys, custom market caps, vanity addresses, and multi-chain deployment.

defi-yields API for crypto AI agents. x402 USDC micropayments. MCP server.

USDC is Circle's stablecoin deployed across multiple blockchain ecosystems including EVM chains (Ethereum, Base, Arbitrum, Polygon, Arc) and Solana. Use this skill to check balances, send transfers, approve spending, and verify transactions. Triggers on: USDC balance, send USDC, transfer USDC, approve USDC, USDC allowance, verify USDC transfer, USDC contract address, USDC on Solana, Solana USDC, check balance, SPL token, Associated Token Account, ATA, ERC-20 USDC, parseUnits, formatUnits, 6 decimals, viem, @solana/kit.

Bitcoin-native MCP server for AI agents: BTC/STX wallets, DeFi yield, sBTC peg, NFTs, and x402 payments.

53-tool MCP server for Sui blockchain — wallets, DeFi, Move contracts, staking, SuiNS, analytics. Built on @mysten/sui SDK.

MCP-Server für Solana-Blockchain-Daten — Wallets, Token-Preise, DeFi-Yields, Sicherheitschecks

Universal EVM MCP server supporting 30+ EVM-compatible chains including Ethereum, Polygon, BSC, and Arbitrum.

Ethereum Intelligence MCP Server — Token risk, gas, RWA, stablecoin, DeFi yields. Part of FeedOracle.

Interact with Rocket Pool liquid staking contracts — deposit ETH to mint rETH, burn rETH for ETH, check exchange rates, query deposit pool balances, and perform rETH ERC-20 operations. Supports cast (Foundry CLI) and Ethereum MCP tools on mainnet and Hoodi testnet.

Interact with Rocket Pool protocol contracts on Ethereum mainnet and Hoodi testnet. Use for any task involving rETH (liquid staking token), RPL (governance token), ETH staking, minting/burning rETH, checking exchange rates, node operator registration, minipool/megapool management, RPL staking, governance proposals, voting, rewards claiming, deposit pool queries, network balances, smoothing pool, or any Rocket Pool smart contract interaction. Supports both cast (Foundry CLI) and Ethereum MCP tools.

DeFAI and x402 AI Agent from Capminal with 4,000+ stars, providing autonomous DeFi operations on Base and Ethereum.

Proactive monitoring of Aave V3 borrow positions with liquidation alerts. Queries user collateral, debt, and health factor across chains (Ethereum, Polygon, Arbitrum, etc.). Sends urgent alerts to Telegram/Discord/Slack when health factor drops below configurable thresholds (critical at 1.05, warning at 1.2). Use when you need continuous monitoring of Aave positions, want alerts before liquidation risk occurs, or need periodic summaries of your borrowing health.

Custom agent fetching latest token profiles from DexScreener API with newly listed tokens, social links, and pay-per-use via x402.

Claude Code & AI agent skills for on-chain crypto data APIs — Dune, Solscan Pro, Nansen, Solana RPC (Helius/QuickNode). Credit-aware, batch-optimized, cross-agent via AGENTS.md.

Multi-chain EVM RPC for Ethereum, Arbitrum, Base, BSC via QuickNode API. Provides fast blockchain node access and data queries across multiple networks.

Smart contract deployment, transactions, account management, keypair generation

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21 RPC methods for account operations, staking, token management

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Onchain tools for Claude AI to interact with Polygon PoS blockchain

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On-chain actions, smart contract interactions, token management with 200+ integrations

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Multi-chain MCP supporting Ethereum, Solana, Cardano, THORChain, XRP, Bitcoin, TON and more

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MCP server for interacting with multiple blockchains including Solana, Ethereum, THORChain, XRP Ledger, TON, Cardano, and UTXO chains with support for balances, transfers, swaps, and staking.

Crypto tool directory — discover, install, and share MCP, CLI, SDK, API, x402, RWA, and AI agent tools — all in one place.