Use when writing or modifying code - designing HTTP APIs, adding structured logging/observability, writing tests, formatting commit messages, defining error codes, designing error-handling flow, naming config/env vars or handling secrets/keys, or building Go backend services. Routes to the matching convention document…
When Claude's response misses the mark, don't just rephrase and retry. Use Meta-Prompting (reverse prompting) to let Claude diagnose the gap, then re-ask with complete context.
Security audit and code review checklist. Covers 30+ vulnerability types with real-world exploit cases (2021-2026) and EVMbench Code4rena patterns. Use when conducting security audits, code reviews, or pre-deployment security assessments.
A workflow for diagnosing failed Solidity transactions using the Cast command-line tool, transaction receipts, transaction details, gas limits, and input data.
Write excellent unit tests — FIRST, AAA, Right-BICEP. Use when the user asks to "write tests", "add unit tests", "add tests", "this needs tests", or any scenario involving writing or reviewing unit tests.
Web extraction for AI agents. Scrape, crawl, map, batch, extract, summarize, diff, brand, search, and 28 site-specific extractors turn any URL into clean Markdown, text, or JSON. Runs locally with no key via the webclaw MCP server; set an optional WEBCLAWAPIKEY to handle bot-protected and JavaScript-rendered pages.…
A cryptocurrency market-analysis workflow that uses Binance data to examine assets such as Bitcoin, Ethereum, and Solana from a market-maker perspective.
Fast X Intelligence CLI (Rust) — search, analyze, and engage on X/Twitter from the terminal. Use when: (1) user says "x research", "search x for", "search twitter for", "what are people saying about", "what's twitter saying", "check x for", "x search", "search x", (2) user wants real-time monitoring with "watch", (3)…
X Intelligence CLI — search, analyze, and engage on X/Twitter from the terminal. Use when: (1) user says "x research", "search x for", "search twitter for", "what are people saying about", "what's twitter saying", "check x for", "x search", "search x", "find tweets about", "monitor x for", "track followers", (2) user…
Help migrate Rig code between versions. Use when upgrading rig-core or companion crates, resolving breaking changes, or updating deprecated APIs. Detects the current version from Cargo.toml automatically.
Build LLM-powered applications with Rig, the Rust AI framework. Use when creating agents, RAG pipelines, tool-calling workflows, structured extraction, or streaming completions. Covers all providers with a unified API.
DeFi operations on Polygon using the Polygon Agent CLI. Covers same-chain token swaps, cross-chain bridging, and yield deposits into Aave v3 and Morpho vaults via Trails earn pool discovery. All commands dry-run by default — add --broadcast to execute.
Pay-per-call APIs accessible via x402-pay. No API keys or subscriptions — each call costs a small USDC amount drawn from your wallet. The CLI detects the 402 response, funds the exact amount, and retries automatically.
Step-by-step guide for executing token swaps using the 0x API (Swap API v2 and Gasless API v2). Use this skill when a user wants to: swap tokens on any EVM chain (e.g. "swap 0.5 ETH for USDC on Arbitrum", "sell 1000 ARB and get a quote", "how much WBTC for 5000 USDC on Base"); do a gasless swap without holding ETH for…
A thinking guide based on public material from Changpeng Zhao, also known as CZ, the former Binance CEO. It helps an agent analyse crypto topics and business choices from his reported viewpoint.
A thinking guide based on public material from Justin Sun, a cryptocurrency entrepreneur. It helps an agent analyse crypto topics and business choices from his reported viewpoint.
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