Crypto tools, unified.

Solana helper functions

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Curated list of crypto, Web3, DeFi, wallet, and blockchain MCP servers for AI agents.

Binance Web3 agent wallet CLI and skill for wallet sign-in, balances, transfers, DEX swaps, market and limit orders, approvals, prediction markets, and x402 payments.

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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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Multi-chain portfolio tracking with token balances, NFT holdings, and DeFi positions.

Universal browser wallet automation for AI agents. Supports 10 wallets including MetaMask, Rabby, Phantom, Trust Wallet, OKX, Coinbase, and more. EVM + Solana. Configurable guardrails with spend limits, chain allowlists, and approval thresholds.

Create and manage agentic wallets with Privy. Use for autonomous onchain transactions, wallet creation, policy management, and transaction execution on Ethereum, Solana, and other chains. Triggers on requests involving crypto wallets for AI agents, server-side wallet operations, or autonomous transaction execution.

Check cryptocurrency wallet balances, token holdings, transaction history, token approvals, ENS name resolution, and on-chain activity. Use when asked about wallet balance, what tokens an address holds, transaction history, pending transactions, token allowances, ENS lookup, or address portfolio.

End-to-end Solana development playbook (Jan 2026). Prefer Solana Foundation framework-kit (@solana/client + @solana/react-hooks) for React/Next.js UI. Prefer @solana/kit for all new client/RPC/transaction code. When legacy dependencies require web3.js, isolate it behind @solana/web3-compat (or @solana/web3.js as a true legacy fallback). Covers wallet-standard-first connection (incl. ConnectorKit), Anchor/Pinocchio programs, Codama-based client generation, LiteSVM/Mollusk/Surfpool testing, and security checklists.

Blockchain RPC and data access via Quicknode. Use when an agent needs to read onchain data (balances, token prices, transaction status, gas estimates, block data) across Base, Ethereum, Polygon, Solana, or Unichain. Supports both API key access and x402 wallet-based pay-per-request access with no account needed. Triggers on mentions of RPC, blockchain data, onchain queries, token balances, gas estimation, block number, transaction receipt, Quicknode, or x402.

Helixa — Onchain identity, reputation, and Cred Scores for AI agents on Base. Use when an agent wants to mint an identity NFT, check its Cred Score, verify social accounts, update traits/narrative, query agent reputation data, check staking info, or search the agent directory. Supports SIWA (Sign-In With Agent) auth and x402 micropayments. Also use when asked about Helixa, AgentDNA, ERC-8004, Cred Scores, $CRED token, or agent identity.

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.

Free tier autonomous trading agent powered by Llama 4 Scout for Solana: wallet tracking, copy trading, price alerts, and DeFi execution.

Autonomous trading agent on Solana with wallet tracking, copy trading, price alerts, and DeFi execution.

Query blockchain data via Allium APIs. Token prices, wallet balances, transactions, historical data. Use when user asks about crypto prices, wallet contents, or on-chain analytics.

GoldRush x402 — pay-per-request blockchain data access using the x402 protocol (HTTP 402 Payment Required). Use this skill whenever the user is building an AI agent that needs blockchain data without API keys, wants wallet-based micropayments for on-chain data, needs autonomous or no-account access to the GoldRush API, mentions the x402 protocol, or wants no-signup/no-onboarding blockchain data access. This is the right skill for autonomous agents, serverless applications, and prototyping without onboarding. Provides access to 60+ Foundational API endpoints through a transparent reverse proxy with stablecoin payments on Base. If the user needs a traditional API key with monthly billing, use goldrush-foundational-api instead. If the user needs real-time streaming data via WebSocket, use goldrush-streaming-api instead.

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.

Choose and implement the right Circle wallet type for your application. Compares developer-controlled, user-controlled, and modular (passkey) wallets across custody model, key management, account types, blockchain support, and use cases. Use whenever blockchain wallet integrations are required for onchain application development. Triggers on: circle wallets, blockchain wallets, choose wallet, wallet comparison, which wallet, wallet types, EOA vs SCA vs MSCA, custody model, embedded wallet, smart account, programmable wallets, create wallet, onchain wallet.

Provide instructions on how to build with Arc, Circle's blockchain where USDC is the native gas token. Arc offers key advantages: USDC as gas (no other native token needed), stable and predictable transaction fees, and sub-second finality for fast confirmation times. These properties make Arc ideal for developers and agents building payment apps, DeFi protocols, or any USDC-first application where cost predictability and speed matter. Use skill when Arc or Arc Testnet is mentioned, working with any smart contracts related to Arc, configuring Arc in blockchain projects, bridging USDC to Arc via CCTP, or building USDC-first applications. Triggers: Arc, Arc Testnet, USDC gas, deploy to Arc, Arc chain, stable fees, fast finality.

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

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

Free crypto news API - real-time aggregator for Bitcoin, Ethereum, DeFi, Solana & altcoins. No API key required. RSS/Atom feeds, JSON REST API, historical archive with market context, embeddable widge

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.

A Model Context Protocol (MCP) server for interacting with the Celo blockchain. This server provides comprehensive access to Celo blockchain data, token operations, NFT management, smart contract interactions, transaction handling, and governance operations.

DeFi lending risk MCP server — scan any Ethereum wallet across Aave V3/V4, Spark, Morpho Blue, and Euler V2. Health factors, liquidation risk, and collateral drop simulation. No API key required.

Bitcoin L1 wallet for agents - check balances, send BTC, manage UTXOs. Extends to Stacks L2 (STX, DeFi) and Pillar smart wallets (sBTC yield).

8004 Agent Skill for registering AI agents on the ERC-8004 Trustless Agents standard and authenticating them via SIWA (Sign In With Agent). Use this skill when an agent needs to: (1) create or manage an Ethereum wallet for onchain identity, (2) register on the ERC-8004 Identity Registry as an NFT-based agent identity (SIGN UP), (3) authenticate with a server by proving ownership of an ERC-8004 identity using a signed challenge (SIGN IN / SIWA), (4) build or update an ERC-8004 registration file (metadata JSON with endpoints, trust models, services), (5) upload agent metadata to IPFS or base64 data URI, (6) look up or verify an agent's onchain registration. The agent persists public identity state in MEMORY.md. Private keys are held in a separate keyring proxy server — the agent can request signatures but never access the key itself. Triggers on: ERC-8004, trustless agents, agent registration, SIWA, Sign In With Agent, agent identity NFT, Agent0 SDK, agent wallet, agent keystore, keyring proxy.

This skill should be used when the user asks to 'check my wallet balance', 'show my token holdings', 'how much OKB do I have', 'what tokens do I have', 'check my portfolio value', 'view my assets', 'how much is my portfolio worth', 'what\\'s in my wallet', or mentions checking wallet balance, total assets, token holdings, portfolio value, remaining funds, DeFi positions, or multi-chain balance lookup. Supports XLayer, Solana, Ethereum, Base, BSC, Arbitrum, Polygon, and 20+ other chains. Do NOT use for general programming questions about balance variables or API documentation. Do NOT use when the user is asking how to build or integrate a balance feature into code.

Query any on-chain wallet address token balances and positions. Retrieves all token holdings for a specified wallet address on a given chain, including token name, symbol, price, 24h price change, and holding quantity. Use this skill when users ask about wallet balance, token holds, portfolio, or asset positions for any blockchain address.

Binance Onchain Pay enables users to buy cryptocurrency with fiat (e.g., EUR, USD) or send existing crypto from their Binance account directly to any external on-chain wallet address in a single flow—no manual withdrawal needed. Enables partners to integrate crypto buying services: - payment-method-list: Get available payment methods (Card, P2P, Google Pay, Apple Pay, etc.) with limits for a fiat/crypto pair - trading-pairs: List all supported fiat currencies and cryptocurrencies - estimated-quote: Get real-time price quote including exchange rate, fees, and estimated crypto amount - pre-order: Create a buy order and get redirect URL to Binance payment flow - order: Query order status and details (processing, completed, failed, etc.) - crypto-network: Get supported blockchain networks with withdraw fees and limits - p2p/trading-pairs: List P2P-specific trading pairs

Real-time blockchain event monitoring with webhooks. Use when user asks about setting up webhooks, real-time event streaming, monitoring wallet addresses, tracking token transfers in real-time, listening to all addresses on a chain, creating/updating/deleting streams, adding/removing addresses from streams, or receiving blockchain events as they happen. Supports all EVM chains. NOT for querying historical or current blockchain state - use moralis-data-api instead.

Moralis — Web3 data, token prices, wallet history, NFTs, DeFi positions, and blockchain events.

Onchain AI assistant for OpenClaw workflows, wallet actions, and agent automation on Abstract blockchain.

Use when an agent needs live DeFi data from Base — ETH prices, trending pools, token scores, or wallet scans. No auth required.

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

End-to-end Solana development playbook (Jan 2026). Prefer Solana Foundation framework-kit (@solana/client + @solana/react-hooks) for React/Next.js UI. Prefer @solana/kit for all new client/RPC/transaction code. When legacy dependencies require web3.js, isolate it behind @solana/web3-compat (or @solana/web3.js as a true legacy fallback). Covers wallet-standard-first connection (incl. ConnectorKit), Anchor/Pinocchio programs, Codama-based client generation, LiteSVM/Mollusk/Surfpool testing, and security checklists.

BNB Chain MCP server connection and tool usage. Covers npx @bnb-chain/mcp@latest, PRIVATE_KEY and RPC, and every MCP tool — blocks, transactions, contracts, ERC20/NFT transfers, wallet, ERC-8004 agent registration, Greenfield. Use when connecting to bnbchain-mcp, querying or transacting on BNB Chain/opBNB/EVM, registering as ERC-8004 agent, or using Greenfield.

Provides Base network configuration including RPC endpoints, chain IDs, and explorer URLs. Use when connecting wallets, configuring development environments, or setting up Base Mainnet or Sepolia testnet. Covers phrases like "Base RPC URL", "Base chain ID", "connect to Base", "add Base to wallet", "Base Sepolia config", "Base explorer URL", "what network is Base", or "Base testnet setup".

Query DeFi portfolios, token holdings, NFTs, transactions, and prices via Zapper API. Supports 50+ chains. Use when user asks about wallet balances, DeFi positions, NFT collections, token prices, or transaction history.

Query DeFi portfolio data across 50+ chains via Zapper's GraphQL API. Use when the user wants to check wallet balances, DeFi positions, NFT holdings, token prices, or transaction history. Supports Base, Ethereum, Polygon, Arbitrum, Optimism, and more. Requires ZAPPER_API_KEY.

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