菜单
Integrates oracle and data feed services including Chainlink and Pyth price feeds, VRF randomness, and Chainlink Automation keepers. Use when consuming on-chain price data, random numbers, or conditional automation.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
Manages Web3 wallets including HD derivation, ERC-4337 account abstraction, multi-sig (Safe), and social recovery. Use when creating wallets, signing transactions, managing keys, or configuring smart accounts.
Interacts with smart contracts via ABI encode/decode, read/write calls, deployment, proxy patterns, and multicall batching. Use when calling contract functions, deploying contracts, or working with upgradeable proxies.
Executes DeFi operations including token swaps, lending/borrowing, staking, liquidity provision, flash loans, perpetuals, and vault strategies. Use when interacting with Uniswap, Aave, Compound, Lido, or other DeFi protocols.
Manages NFTs including minting, trading, ERC-721/1155 operations, marketplace integration, and token-bound accounts (ERC-6551). Use when working with NFT collections, metadata, or TBA wallets.
Manages DAO governance including proposals, voting, delegation, treasury management, and timelocks. Use when interacting with Governor contracts, Snapshot, or DAO treasuries.
Handles cross-chain operations including token bridging, cross-chain messaging, and intent-based routing. Use when moving assets or data between blockchains.
| name | skill-11-oracle-data-feeds |
| description | Integrates oracle and data feed services including Chainlink and Pyth price feeds, VRF randomness, and Chainlink Automation keepers. Use when consuming on-chain price data, random numbers, or conditional automation. |
| metadata | {"phase":4,"chains":"ethereum,polygon,arbitrum,base,optimism,avalanche,bnb"} |
price-feed-server, blockchain-rpc-serverAggregatorV3Interface feed = AggregatorV3Interface(aggregatorAddress);
(, int256 price, , uint256 updatedAt, ) = feed.latestRoundData();
Validation checks:
updatedAt within heartbeat (varies: 1h ETH/USD, 24h long-tail)price > 0Feed addresses: see knowledge-base/protocols/ and Chainlink docs per chain.
getUpdateData()requestRandomWords(keyHash, subId, minConfirmations, callbackGasLimit, numWords)fulfillRandomWords(requestId, randomWords)blockhash, timestamp) for randomness| Type | Use Case |
|---|---|
| Time-based | Periodic harvest, rebalance |
| Custom logic | checkUpkeep() returns upkeepNeeded |
| Log trigger | React to specific events |
Register upkeep with LINK funding; monitor balance.
references/chainlink-feeds.mdreferences/pyth-integration.mdprice-feed-server MCP tools