Ethereum protocol engineering squad for AI coding assistants
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Skill Claude CodeCodex
Use when integrating with Aave V3 for lending, borrowing, flash loans, or building on top of Aave markets. Covers Pool interactions, aToken mechanics, flash loans, eMode, isolation mode, and safe integration patterns.
Skill Claude CodeCodex
Access control design patterns for Solidity protocols. Use when implementing role-based permissions, timelocks, emergency controls, or multi-sig requirements. Covers Ownable2Step, AccessControl, AccessManager, timelock patterns, and emergency pause.
Skill Claude CodeCodex
Use when running Aderyn (by Cyfrin) static analysis on Solidity contracts. Covers installation, running analysis, detectors, report output, comparison with Slither, and CI integration.
Skill Claude CodeCodex
Use when running a local Ethereum node with Anvil. Covers forking, impersonation, mining modes, state snapshots, storage manipulation, RPC methods, and chain configuration.
Skill Claude CodeCodex
Yul/inline assembly patterns for advanced Solidity optimization. Use only when gas savings are significant and measured. Covers memory management, efficient hashing, bitwise operations, custom errors, low-level calls, and returndata handling.
Skill Claude CodeCodex
Use when performing systematic breadth-first review of all contracts during a security audit. Covers contract-by-contract review, function-level risk assessment, attack surface mapping, and identifying leads for depth analysis.
Skill Claude CodeCodex
Use when performing deep analysis of specific findings or high-risk areas during a security audit. Covers state trace analysis, token flow tracing, edge case enumeration, cross-contract interaction analysis, invariant verification, and economic incentive analysis.
Skill Claude CodeCodex
Use when preparing a codebase for security audit. Covers scope definition, documentation review, dependency analysis, invariant documentation, known issues lists, prior audit review, test coverage verification, and static analysis.
Skill Claude CodeCodex
Use when performing initial audit reconnaissance. Covers automated tooling, dependency review, architecture mapping, entry point identification, trust boundary mapping, external call enumeration, and access control analysis.
Skill Claude CodeCodex
Use when compiling final audit reports. Covers executive summary, scope and methodology, finding format, severity classification, risk summary tables, recommendations, and appendices.
Skill Claude CodeCodex needs its repo
Use when constructing proof-of-concept exploits, verifying audit findings against mainnet forks, classifying severity, and eliminating false positives. Covers PoC construction in Foundry, fork-testing vulnerabilities, severity classification, and evidence requirements.
Skill Claude CodeCodex
Use when deploying many identical upgradeable proxies using the Beacon proxy pattern. Covers UpgradeableBeacon, BeaconProxy, bulk upgrades, use cases, and comparison with UUPS/Transparent.
Skill Claude CodeCodex
Use when querying onchain data through Blockscout MCP. Covers contract source retrieval, transaction analysis, address balance queries, event log queries, and token information.
Skill Claude CodeCodex
Use when interacting with Ethereum contracts and data from the command line using Foundry's cast. Covers read/write calls, storage inspection, ABI encoding/decoding, block queries, and common one-liners.
Skill Claude CodeCodex
Use when building cross-chain USDC transfers, integrating with Circle's Cross-Chain Transfer Protocol (CCTP V2), or using Circle Gateway for unified balances. Covers the burn-attestation-mint flow, MessageTransmitter and TokenMessenger contracts, domain IDs for all chains, Gateway Wallet/Minter addresses, and Solidity…
Skill Claude CodeCodex
Use when integrating Chainlink price feeds, building oracle-dependent contracts, or implementing staleness checks. Covers AggregatorV3Interface, decimal handling, L2 sequencer uptime, heartbeat validation, and safe price feed wrappers.
Skill Claude CodeCodex
Use when integrating with Compound V3 (Comet) for lending, borrowing, or building liquidation bots. Covers single-asset lending, collateral management, absorb mechanics, and interest rate models.
Skill Claude CodeCodex
Constructor and initializer patterns for deploying Solidity contracts. Use when designing deployment flows, upgradeable proxies, factory patterns, or CREATE2 deployments. Covers constructor validation, initializer safety, and factory patterns.
Skill Claude CodeCodex
Use when verifying deployed contracts on block explorers. Covers forge verify-contract, Etherscan/Basescan/Arbiscan APIs, Blockscout verification, constructor args encoding, flattening, proxy verification, and multi-file verification.
Skill Claude CodeCodex
Use when measuring test coverage for Solidity contracts, identifying untested code paths, or establishing coverage requirements. Covers forge coverage, lcov output, visualization, and coverage-driven testing.
Skill Claude CodeCodex
Use when deploying contracts to deterministic addresses with CREATE2. Covers address prediction, salt selection, factory patterns, cross-chain same-address deployment, CREATE3, vanity addresses, and replay protection.
Skill Claude CodeCodex
Cross-chain security patterns for multi-chain Solidity deployments and bridge interactions. Use when deploying contracts across multiple chains, integrating with bridges, or handling chain-specific behavior differences. Covers message replay, finality, and chain-specific gotchas.
Skill Claude CodeCodex
Use when integrating with Curve Finance for stablecoin swaps, liquidity provision, or gauge-based reward systems. Covers StableSwap math, crypto pools, meta-pools, gauge voting, and safe swap patterns.
Skill Claude CodeCodex
Use when building dApp frontends with wagmi v2 and viem. Covers useReadContract, useWriteContract, useSimulateContract, useWaitForTransactionReceipt, wallet connection (RainbowKit), chain switching, and ENS resolution.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: