
Claude Skills by nirholas
github.com/nirholasComplete mastery guide for designing social media recommendation algorithms — understanding candidate generation, ranking models, engagement prediction, content graph modeling, collaborative filtering, embedding spaces, real-time personalization, exploration vs exploitation tradeoffs, feedback loops, filter bubble mitigation, and building recommendation systems from scratch. Based on analysis of production systems like Twitter/X's open-source algorithm, with applications to crypto community f...
Guide to Lyra Intel — an intelligence platform for analyzing repositories of any size, from small projects to enterprise monorepos with millions of lines of code. 70+ analysis components including security scanning, AI integration, dependency mapping, and code quality metrics.
How to read and understand smart contracts — navigating Etherscan, reading Solidity code, understanding ABIs, decoding transactions, and spotting common patterns. Use when helping users verify contracts, understand DeFi protocol mechanics, or decode on-chain activity.
Guide for testing smart contracts using Foundry and Hardhat, covering unit tests, fuzz testing, invariant testing, fork testing, and gas benchmarking.
Guide to the Solana Wallet Toolkit — vanity address generation with multi-threaded search, official Solana Labs libraries, Rust and TypeScript implementations. Includes wallet generation, custom address prefixes, and OG names on the blockchain.
Guide for writing secure, gas-efficient, and maintainable Solidity smart contracts following established patterns and avoiding common pitfalls.
Guide to Lyra Web3 Playground — a browser-based Solidity IDE and smart contract playground. Write, compile, deploy, and interact with contracts directly in the browser. Supports Hardhat/Foundry compilation, multiple chains, and live contract testing.
Guide to building blockchain data indexes with The Graph — subgraph architecture, schema design, mapping handlers, deployment, and querying. Covers GraphQL APIs for DEX data, token transfers, and DeFi protocol events. Use when explaining blockchain indexing or building custom data pipelines.
Guide to Lyra Registry — a standalone API and MCP service cataloging, scoring, and serving metadata for 800+ crypto, blockchain, DeFi, memecoin, NFT, metaverse, and trading tools. Enables discovery, evaluation, and integration of tools in the Lyra/Sperax ecosystem.
Guide to the Universal Crypto MCP server — a multi-chain MCP for AI agents to interact with any blockchain via natural language. Supports swaps, bridges, gas estimation, staking, lending, and more across Ethereum, Arbitrum, Base, Polygon, BSC, and testnets. Plugin architecture for extensibility.
Complete mastery guide for cryptographic vanity address generation — understanding how blockchain addresses are derived from private keys (ECDSA, keccak256), brute-force search algorithms, GPU acceleration with OpenCL/CUDA, CREATE2 deterministic deployment for contract vanity addresses, security implications of vanity generation, time/difficulty estimation, multi-chain address formats (Ethereum, Bitcoin, Solana), and practical UX benefits of branded addresses for DAOs and protocols.
Guide to W3AG (Web3 Accessibility Guidelines) — accessibility standards and patterns for Web3 applications. Covers wallet connect UX, transaction confirmation patterns, error handling, screen reader support, and inclusive design for dApps. Making DeFi usable by everyone.
Guide to XActions — a TypeScript automation library for X (Twitter). Features browser automation, thread posting, engagement monitoring, follower analytics, and DM automation. 78 stars. Includes rate-limit-aware scheduling and anti-detection measures.
Guide to xeepy — a comprehensive Python library for X (Twitter) with 154 files and 44K+ lines of code. Features full API v2 coverage, spaces, communities, lists, polls, Grok integration, and async support. 57 stars. The most complete Python X library.
Guide to the AI Agents Library — a curated collection of 300+ production-grade AI agent system prompts ready for import. Covers DeFi, crypto, trading, research, coding, writing, and more. Each prompt is optimized for GPT-4, Claude, Gemini, and other frontier models.
Framework for analyzing numerical crypto data including price series, on-chain metrics, protocol statistics, and portfolio performance with structured visualization guidance.
Guide to OpenRouter — the unified API for 200+ AI models from OpenAI, Anthropic, Google, Meta, Mistral, and more. Covers model selection, pricing, routing strategies, fallback chains, and integration with SperaxOS for optimal model usage per task.
Structured research methodology for investigating crypto projects, protocols, market trends, and technical concepts with source evaluation and synthesis.
Comprehensive Web3 and DeFi glossary — definitions for 150+ terms covering blockchain, DeFi, NFTs, DAOs, L2s, and crypto culture. Use when a user asks what a term means or needs jargon explained in plain language.
Guide to the xAI Grok API — Elon Musk's AI model with real-time X/Twitter data access. Covers Grok-2 and Grok-3 models, function calling, vision, long context, and unique features like X search integration and real-time knowledge cutoff.
Synthesize and summarize crypto market news into actionable intelligence, categorizing events by market impact, urgency, and relevance to the user's portfolio and interests.
Guide to free-crypto-news — a free, no-API-key-required crypto news aggregator. Fetches headlines from 15+ sources including CoinDesk, The Block, Decrypt, CoinTelegraph, and more. Features RSS parsing, keyword filtering, sentiment scoring, and webhook notifications.
Track and analyze crypto social media sentiment across platforms including Twitter/X, Reddit, Discord, and Telegram to identify narrative shifts, trending topics, and crowd behavior patterns.
Query any on-chain wallet address for token holdings and positions via Binance Web3 API. Retrieves all token balances including price, 24h change, and holding quantity across BSC, Base, and Solana.
Guide to cryptocurrency taxation — taxable events, cost basis methods, DeFi tax implications, record keeping, and tax-loss harvesting. Use when helping users understand crypto tax obligations, track transactions for tax reporting, or plan tax-efficient strategies.
Guide portfolio rebalancing decisions by analyzing current allocations against target weights, calculating drift, and recommending trades to restore balance while minimizing costs and tax impact.
Real-time and historical market data for stocks and crypto via PortfolioMeta API — prices, fundamentals, earnings, analyst ratings, and financial statements.
Evaluate overall portfolio risk by analyzing concentration, correlation, volatility exposure, leverage, and protocol dependencies to build a comprehensive risk profile.
Daily OHLCV summaries and real-time quotes for stocks and crypto via Savvy Trader AI — open, close, high, low, volume, and multi-asset comparison.
Identify tax-loss harvesting opportunities in crypto portfolios by finding unrealized losses, calculating tax savings, and suggesting wash-sale-aware replacement strategies.
Guide to using Aave lending protocol including supply/borrow mechanics, risk parameters, health factor management, flash loans, and efficiency mode strategies.
Guide to the Arbitrum DeFi ecosystem — top protocols, bridges, gas mechanics, and opportunities. Covers Arbitrum One, ARB token, key DEXs, lending protocols, and native projects like Sperax, GMX, and Camelot. Use when helping users navigate Arbitrum DeFi.
Guide to Bitcoin inscriptions (Ordinals) — creating, minting, and managing content inscribed on the Bitcoin blockchain. Covers Ordinal theory, inscription types (text, images, HTML), BRC-20 tokens, recursive inscriptions, and marketplace integration.
How Chainlink oracle price feeds work — architecture, reading feeds on-chain, available pairs, the aggregator model, and oracle security. Covers how DeFi protocols (Aave, Sperax, Compound) rely on Chainlink for accurate pricing. Use when explaining oracles, price feeds, or DeFi infrastructure.
Step-by-step guide to creating and deploying ERC-8004 Trustless Agents. Covers the full lifecycle from generating an agent identity NFT, setting up metadata, registering on-chain across 12 chains, building reputation, and connecting to the agent marketplace.
Complete guide to ERC-8004 — the open standard for on-chain AI agent identity, reputation, and validation. Covers agent registration as NFTs, reputation signals, validator attestations, and multi-chain deployment across 12 chains. Essential for building trustless AI agent ecosystems.
Optimize Ethereum gas usage by understanding gas mechanics, timing transactions for low-fee periods, batching operations, and selecting appropriate L2 solutions for different use cases.
High-level overview of the Sperax ecosystem — USDs auto-yield stablecoin, SPA/veSPA governance, Sperax Farms, ERC-8004 on-chain agent identity, and SperaxOS AI Agent Workspace. Use when giving ecosystem overviews, comparing DeFi products, or explaining how Sperax components work together.
Guide to Sperax Farms — no-code liquidity farming on Arbitrum. Covers farm creation, LP management, supported DEXs (Uniswap V2/V3, Camelot V2/V3, Balancer V2), reward configuration, and farming strategies. Use when explaining liquidity farming, helping users create farms, or managing DeFi positions.
Guide to the Sperax Crypto MCP server — enables AI agents to interact with USDs (auto-yield stablecoin), SPA governance, veSPA staking, Demeter yield farms, and Plutus vaults on Arbitrum and BNB Chain. Listed on Anthropic's official MCP Registry.
Guide to SPA token staking, veSPA governance, and xSPA rewards in the Sperax ecosystem. Covers lock mechanics, voting power, reward claiming, and governance participation. Use when explaining SPA tokenomics, helping users stake, or answering governance questions.
Complete guide to USDs, the auto-yield stablecoin on Arbitrum by Sperax. Covers minting, redeeming, yield mechanics, collateral strategies, and integration patterns. Use when your agent needs to explain USDs, help users mint/redeem, or answer questions about auto-rebasing stablecoins.
Comprehensive guide to Uniswap V3 including concentrated liquidity mechanics, range selection strategies, fee tier optimization, and position management best practices.
Guide to the x402 protocol — HTTP-native micropayments for AI agents. Enables agents to pay for API calls, data, and services using stablecoins (USDC, USDs) without API keys or subscriptions. Built on EIP-712 signed payment headers.
Security best practices for AI agents handling cryptocurrency wallets — key management, transaction signing, approval hygiene, phishing detection, and operational security. Critical for any OpenClaw agent interacting with DeFi or managing wallet operations.
Query token security audit via Binance Web3 API to detect scams, honeypots, and malicious contracts before trading. Returns comprehensive security analysis including contract risks, trading risks, and scam detection across BSC, Base, Solana, and Ethereum.
Guide to MEV (Maximal Extractable Value) — sandwich attacks, frontrunning, backrunning, and how to protect transactions. Use when explaining MEV to users, recommending swap protection, or analyzing suspicious transaction patterns.
Identify potential rug pull and scam indicators in crypto projects by analyzing contract code, team behavior, liquidity locks, and tokenomics red flags before investing.
Complete mastery guide for smart contract security auditing — from first principles of EVM bytecode to advanced exploit patterns. Covers manual code review methodology, automated tooling (Slither, Mythril, Foundry fuzz), common vulnerability taxonomy (reentrancy, flash-loan attacks, oracle manipulation, access control, integer math), audit report writing, severity classification (Critical/High/Medium/Low/Informational), gas optimization reviews, upgrade safety, and DeFi-specific audit checkli...
Guide to ERC-20 token approvals — how they work, why unlimited approvals are risky, how to check and revoke approvals, and best practices. Use when helping users manage approvals, audit wallet security, or understand approval-related risks.