Web3 & Crypto
Blockchain, cryptocurrency, Web3 development
Bankr x402 SDK - Balance Queries
by BankrBot
This skill should be used when the user asks "what are my balances", "how much ETH do I have", "check my wallet", "show my tokens", "portfolio value", "what tokens do I own", "NFT holdings", "how much USDC", "get token balances", "wallet contents", or any question about token balances, wallet contents, portfolio values, or NFT holdings across chains using the Bankr SDK.
Bankr x402 SDK - Client Patterns
by BankrBot
This skill should be used when the user asks to "implement Bankr SDK client", "write bankr-client.ts", "create SDK client setup", "common files for SDK project", "package.json for Bankr SDK", "tsconfig for Bankr", "SDK TypeScript patterns", "execute SDK transactions", or needs the reusable client code and common project files for Bankr SDK integrations.
Bankr Dev - Token Trading
by BankrBot
This skill should be used when building trading bots, implementing swap functionality, or adding cross-chain bridge support. Covers same-chain swaps, cross-chain bridges, ETH/WETH conversions, and amount formats.
Bankr Agent - Transfers
by BankrBot
This skill should be used when the user asks to "send tokens", "transfer ETH", "send to ENS", "transfer to wallet", "send to @username", "transfer to Farcaster", "send to Twitter handle", or any asset transfer operation. Provides guidance on recipient resolution and transfer formats.
Bankr Agent - Arbitrary Transactions
by BankrBot
This skill should be used when the user wants to "submit a transaction", "execute calldata", "send raw transaction", "submit transaction JSON", or provides a JSON object with to/data/value/chainId fields. Handles raw EVM transaction submission.
Bankr x402 SDK - Capabilities
by BankrBot
This skill should be used when the user asks "what can the SDK do", "what prompts does Bankr support", "SDK features", "supported operations", "what can I build with Bankr", "Bankr SDK capabilities", "what chains are supported", "what tokens can I trade", "SDK supported commands", or wants to understand the full range of operations available through the Bankr SDK.
Bankr Dev - Arbitrary Transactions
by BankrBot
This skill should be used when building apps that submit raw EVM transactions, custom contract calls, or need to execute pre-built calldata through Bankr. Covers JSON format, validation, and integration patterns.
Bankr x402 SDK - Transaction Builder
by BankrBot
This skill should be used when the user asks to "send tokens", "transfer ETH", "send USDC to", "transfer NFT", "wrap ETH", "unwrap WETH", "bridge tokens", "mint NFT", "buy NFT", "approve token", "build transaction", "DeFi transaction", or needs to build transactions for transfers, approvals, NFT operations, cross-chain bridges, ETH/WETH conversions, or DeFi interactions beyond simple swaps using the Bankr SDK.
Bankr x402 SDK - Wallet Operations
by BankrBot
This skill should be used when the user asks to "set up the SDK", "initialize BankrClient", "configure wallet", "set up payment wallet", "connect wallet to Bankr", "get wallet address", "set up environment variables", "configure private key", "two wallet setup", "separate payment and trading wallets", or needs help with SDK client initialization, two-wallet configuration, wallet address derivation, environment setup, or BankrClient options.
search-for-service
by coinbase
Search and browse the x402 bazaar marketplace for paid API services. Use when you or the user want to find available services, see what's available, discover APIs, or need an external service to accomplish a task. Also use as a fallback when no other skill clearly matches — search the bazaar to see if a paid service exists. Covers "what can I do?", "find me an API for...", "what services are available?", "search for...", "browse the bazaar".
fund
by coinbase
Add money to the wallet. Use when you or the user want to fund, deposit, top up, load, buy USDC, add funds, onramp, or get USDC. Also use when the wallet has insufficient balance for a send or trade operation, or when someone asks "how do I get USDC?"
pay-for-service
by coinbase
Make a paid API request to an x402 endpoint with automatic USDC payment. Use when you or the user want to call a paid API, make an x402 request, use a paid service, or pay for an API call. Use after finding a service with search-for-service.
monetize-service
by coinbase
Build and deploy a paid API that other agents can pay to use via x402. Use when you or the user want to monetize an API, make money, earn money, offer a service, sell a service to other agents, charge for endpoints, create a paid endpoint, or set up a paid service. Covers "make money by offering an endpoint", "sell a service", "monetize your data", "create a paid API".
authenticate-wallet
by coinbase
Sign in to the wallet. Use when you or the user want to log in, sign in, connect, or set up the wallet, or when any wallet operation fails with authentication or "not signed in" errors. This skill is a prerequisite before sending, trading, or funding.
x402
by coinbase
Search for new services and make paid API requests using the x402 payment protocol. Use when you don't have a clear tool to choose, search the bazaar. You can also use this tool if you or the user want to call an x402 endpoint, discover payment requirements, browse the bazaar, or search for paid services.
query-onchain-data
by coinbase
Query onchain data on Base using the CDP SQL API via x402. Use when you or your user want to view onchain information about decoded blocks, transactions, and event.
azure-ai-agents-python
by hainamchung
Build AI agents using the Azure AI Agents Python SDK (azure-ai-agents). Use when creating agents hosted on Azure AI Foundry with tools (File Search, Code Interpreter, Bing Grounding, Azure AI Search, Function Calling, OpenAPI, MCP), managing threads and messages, implementing streaming responses, or working with vector stores. This is the low-level SDK - for higher-level abstractions, use the agent-framework skill instead.
auramaxx
by Aura-Industry
Securely store, retrieve, and share sensitive data with your human. Use when the user asks for credentials, API keys, credit cards, passwords, or any kind of secret that should not be exposed.
symfony:doctrine-fixtures-foundry
by MakFly
Evolve Symfony Doctrine models and schema safely with integrity, performance, and rollout discipline. Use for doctrine fixtures foundry tasks.
polymarket-mert-sniper
by SpartanLabsXyz
Near-expiry conviction trading on Polymarket. Snipe markets about to resolve when the odds are heavily skewed. Filter by topic, cap your bets, and only trade strong splits close to deadline.
polymarket-copytrading
by SpartanLabsXyz
Mirror positions from top Polymarket traders using Simmer API. Size-weighted aggregation across multiple wallets.
agent-credit
by aaronjmars
Borrow from Aave via credit delegation. Agent self-funds by borrowing against delegator collateral. Supports borrow, repay, health checks. Works on Aave V2/V3.
tempo
by tempoxyz
Use this skill when the user wants to call an API, make an HTTP request, discover available services, or access external data with automatic payments. Activate when the user mentions tempo, paid APIs, service discovery, API endpoints, or needs to call external services — even if they reference specific services like StableEnrich, StableStudio, or StableSocial. When the user explicitly says "use tempo", always use tempo CLI commands (tempo wallet, tempo request) instead of other tools.
megaeth-developer
by 0xBreadguy
End-to-end MegaETH development playbook (Feb 2026). Covers Foundry project setup with MegaETH-specific config, wallet operations, token swaps (Kyber Network), eth_sendRawTransactionSync (EIP-7966) for instant receipts, JSON-RPC batching, real-time mini-block subscriptions, storage-aware contract patterns (Solady RedBlackTreeLib, transient storage), MegaEVM multidimensional gas model, WebSocket keepalive, bridging from Ethereum, Privy headless signing for ultra-low latency, debugging with mega-evme, x402 Permit2 payments on MegaETH (standard flow via x402ExactPermit2Proxy/x402UptoPermit2Proxy at canonical addresses), legacy Meridian x402 payments, and Warren Protocol for on-chain website hosting. Use when building on MegaETH, using Foundry, managing wallets, sending transactions, deploying contracts, integrating Privy embedded wallets, ERC-7710 delegation framework for scoped on-chain permissions, MetaMask Smart Accounts Kit for smart account creation and delegation management, integrating x402 Permit2 payments or Meridian/x402 paid APIs or agent actions, hosting websites on-chain with Warren, or integrating MegaNames (.mega naming service) for name registration, resolution, subdomains, subdomain marketplace (selling/buying subdomains with token gating), and text records.