Web3 & Crypto
Blockchain, cryptocurrency, Web3 development
multiversx-constant-time
by multiversx
Verify cryptographic operations execute in constant time to prevent timing attacks. Use when auditing custom crypto implementations, secret comparisons, or security-sensitive algorithms in smart contracts.
mvx_constant_time
by multiversx
Verifying constant-time operations in crypto implementations.
mvx_sdk_go_core
by multiversx
Core network operations for MultiversX Go SDK - Proxy, VM Queries.
multiversx-dapp-frontend
by multiversx
Adapt React applications to MultiversX blockchain with wallet connection, transactions, and smart contract interactions. Use when app needs Web3, blockchain, wallet login, crypto payments, NFTs, tokens, or smart contract calls.
multiversx-cache-patterns
by multiversx
Gas-optimized cache patterns for MultiversX smart contracts using Drop-based write-back caches. Use when building contracts that read/write multiple storage values per transaction, DeFi protocols, or any gas-sensitive contract.
mvx_sdk_js_tokens
by multiversx
Token operations (ESDT/NFT/SFT) for MultiversX TypeScript/JavaScript SDK.
multiversx-vault-pattern
by multiversx
In-memory token ledger pattern for tracking intermediate balances during multi-step operations within a single transaction. Use when building any contract that processes sequential token operations — aggregators, batch processors, atomic swaps, or multi-step DeFi flows.
multiversx-property-testing
by multiversx
Use property-based testing and fuzzing to find edge cases in smart contract logic. Use when writing comprehensive tests, verifying invariants, or searching for unexpected behavior with random inputs.
mvx_sdk_go_interactors
by multiversx
Components for interacting with the blockchain (Wallets, Transaction Interactors, Nonce Handlers) in Go.
mvx_flash_loan_patterns
by multiversx
Atomic lend-execute-verify pattern — reentrancy guards, shard validation, endpoint checks.
tempo
by tempoxyz
Builds applications on Tempo network using TypeScript SDK, Rust node, and Foundry. Use when working with Tempo transactions, TIP-20 tokens, stablecoins, or Tempo protocol integration.
sablier-protocol
by PaulRBerg
This skill should be used when the user asks "what is Sablier", "explain Sablier protocol", "how does Sablier work", "Sablier vesting", "Sablier airdrops", "Sablier payroll", mentions Sablier company/product/protocol, or needs context about the Sablier ecosystem.
lodestar-review
by lodekeeper
Run multi-persona code reviews on Lodestar PRs. Use when reviewing a PR, diff, or code change in ChainSafe/lodestar. Spawns specialized reviewer agents (bug hunter, security engineer, architect, etc.) with Lodestar-specific context, collects findings, and synthesizes a consolidated report. Covers PR review, code quality assessment, and security analysis for Ethereum consensus client code.
ethereum-rnd
by lodekeeper
Use when working on Ethereum protocol development, consensus layer, execution layer, beacon chain, EIPs, networking, or any Ethereum R&D topic. Provides reference lookup across specs, APIs, research forums, and governance resources.
etherscan-api
by PaulRBerg
This skill should be used when the user asks to "check ETH balance", "query ERC-20 balance", "get wallet balance", "check token holdings", "query Etherscan", or mentions Etherscan API, blockchain balance queries, or multi-chain balance lookups.
beacon-node
by lodekeeper
Query and analyze Ethereum beacon nodes via the Beacon API. Health checks, chain analysis, validator info, peer diagnostics, and fork monitoring.
controller-signers
by cartridge-gg
Configure authentication methods for Cartridge Controller including passkeys, social login, and external wallets. Use when implementing user authentication, adding multiple signers for account recovery, customizing signup options, or integrating external wallets like MetaMask or Phantom. Covers WebAuthn passkeys, Google/Discord/Twitter OAuth, wallet connections, and dynamic authentication flows.
web3-foundry
by PaulRBerg
Write Foundry-based tests and scripts. Trigger phrases - foundry testing, write test, fuzz test, fork test, invariant test, deploy script, gas benchmark, coverage, or when working in tests/ or scripts/ directories.
controller-react
by cartridge-gg
Integrate Cartridge Controller into React applications using starknet-react. Use when building React/Next.js web apps with Controller, setting up StarknetConfig provider, using hooks like useConnect/useAccount, or implementing wallet connection components. Covers ControllerConnector setup, provider configuration, and transaction execution patterns.
cli-cast
by PaulRBerg
This skill should be used when the user asks to "send a transaction", "call a contract", "sign a message", "use cast", "cast send", "cast call", "cast wallet", "decode calldata", "encode ABI", "check balance", or mentions Foundry cast CLI, RPC endpoints, or on-chain interactions.
Skill Creator with Agent Specialization
by DNYoussef
Context Cascade - Nested Plugin Architecture for Claude Code Official Claude Code Plugin Version 3.1.0 Last updated: 2026-01-09 (see docs/COMPONENT-COUNTS.json for source counts) Context-saving nested architecture: Playbooks -> Skills -> Agents -> Commands. Load only what you need, saving 90%+ context space.
solidity-deploy
by 0xlayerghost
"[AUTO-INVOKE] MUST be invoked BEFORE deploying contracts or writing deployment scripts (*.s.sol). Covers pre-flight checks, forge script commands, post-deployment validation, and verification. Trigger: any task involving forge script, contract deployment, or block explorer verification."
solidity-debug
by 0xlayerghost
"[AUTO-INVOKE] MUST be invoked when debugging failed on-chain transactions. Covers transaction receipt analysis, gas diagnosis, calldata decoding, revert reason extraction, and state verification. Trigger: any task involving failed tx analysis, revert debugging, or on-chain transaction troubleshooting."
solidity-audit
by 0xlayerghost
"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."