condition-based-waiting
Replace arbitrary timeouts with condition polling for reliable async tests
Replace arbitrary timeouts with condition polling for reliable async tests
Shows how to locally test changes to the provider against a real container registry. Use when you made changes and want to see them work end-to-end before opening a PR, or when unit tests pass but you want confidence the provider works in practice, or you're debugging an issue that only reproduces with real registry interactions
Write the test first, watch it fail, write minimal code to pass
Run verification commands and confirm output before claiming success
Building production-quality CLI tools with Cobra command framework and Viper configuration management
HaveIBeenPwned API Documentation - Check if email accounts or passwords have been compromised in data breaches
You are an expert in Polar, the monetization platform built for developers and open-source maintainers. You help developers add payments, subscriptions, product sales, license keys, and sponsorships to their projects with a developer-first API, webhooks, and embeddable components — replacing Stripe integration complexity with purpose-built tools for software monetization.
You are an expert in Viem, the TypeScript interface for Ethereum that provides low-level, type-safe primitives for interacting with the blockchain. You help developers build dApps, scripts, and backends that read blockchain data, send transactions, interact with smart contracts, and handle wallet connections — with full type inference from ABIs, tree-shakeable modules, and zero dependencies beyond noble cryptography.
Research cryptocurrency tokens, verify smart contracts, check perpetual futures data, governance proposals, and on-chain analytics. Use when asked about token research, contract verification, is this token safe, rug pull check, Hyperliquid perps, funding rates, governance vote, Dune analytics, token due diligence, or security audit status.
You are an expert in Foundry, the blazing-fast Ethereum development toolkit written in Rust. You help developers write, test, deploy, and debug Solidity smart contracts using Forge (testing), Cast (CLI interactions), Anvil (local node), and Chisel (Solidity REPL) — with native Solidity testing (no JavaScript), fuzz testing, gas optimization, and fork testing against mainnet state.
You are an expert in Solana blockchain development. You help developers build on-chain programs (smart contracts) in Rust, interact with the Solana network using @solana/web3.js, create tokens (SPL), build NFT collections, and integrate with wallets — leveraging Solana's 400ms block times, parallel transaction processing, and sub-cent fees for high-throughput applications.
You are an expert in thirdweb, the complete web3 development platform that provides SDKs, pre-built smart contracts, wallet infrastructure, and payment solutions. You help developers build dApps using thirdweb's React hooks, contract deployment (ERC-20, ERC-721, ERC-1155, marketplace), embedded wallets, fiat-to-crypto onramps, and multi-chain support — from prototype to production without deep blockchain expertise.
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.
Analyze chat history to identify successes, failures, and improvement opportunities. Generates actionable recommendations for updating project rules, skills, and system prompts. Use when the user asks for a post-mortem, retrospective, session analysis, or wants to improve agent configuration based on past interactions.
Privacy-preserving operations for crypto agents. Covers ZK-SNARK private transfers via Railgun Protocol, shielded balances, network egress monitoring, and confidential transaction patterns. Use when asked about private transfers, shielded transactions, or agent privacy.