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Post, read, search, and engage on Farcaster via the Neynar API. Use when an agent needs to post casts, read feeds, search casts, look up users, like/recast, or interact with channels. Activate for any Farcaster social media interaction or Web3 social protocol query.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
Get centralized exchange market data, order books, trading pairs, ticker prices, and 24h volume across Binance, Coinbase, Kraken, Bybit, Gate.io, and Bitget. Use when asked about CEX prices, exchange order book, trading pairs, CEX volume, Binance price, Kraken ticker, exchange comparison, or funding rates on centralized exchanges.
Get cryptocurrency prices, market cap, trading volume, trending tokens, market sentiment, Fear & Greed Index, total value locked (TVL), and DeFi protocol rankings. Use when asked about token price, crypto market overview, what's trending, market sentiment, TVL by chain or protocol, top gainers/losers, or price history.
Research cryptocurrency tokens, verify smart contracts, check perpetual futures data, governance proposals, and on-chain analytics. Use when asked about token research, contract verification, is this token safe, rug pull check, Hyperliquid perps, funding rates, governance vote, Dune analytics, token due diligence, or security audit status.
Check cryptocurrency wallet balances, token holdings, transaction history, token approvals, ENS name resolution, and on-chain activity. Use when asked about wallet balance, what tokens an address holds, transaction history, pending transactions, token allowances, ENS lookup, or address portfolio.
Track smart money trading signals on-chain. Monitor professional investor buy/sell activity, whale movements, alpha scanning, and signal performance. Use when asked about smart money, whale tracking, alpha signals, trading signals, or professional investor activity.
Check DeFi lending and borrowing rates, supply/borrow APY, positions, health factors, and protocol comparisons. Use when asked about lending rates, borrowing costs, Aave rates, Compound APY, Morpho markets, lending protocol comparison, health factor, or liquidation risk.
| name | farcaster |
| description | Post, read, search, and engage on Farcaster via the Neynar API. Use when an agent needs to post casts, read feeds, search casts, look up users, like/recast, or interact with channels. Activate for any Farcaster social media interaction or Web3 social protocol query. |
Interact with Farcaster — the decentralized social protocol — via the Neynar v2 REST API.
export NEYNAR_API_KEY="your-api-key" # required for all ops
export NEYNAR_SIGNER_UUID="your-signer-uuid" # required for write ops
Get API key at https://neynar.com
Base: https://api.neynar.com/v2/farcaster
User's casts by FID:
web_fetch url="https://api.neynar.com/v2/farcaster/feed/user/3?limit=10" headers="api_key: NEYNAR_API_KEY"
User lookup by username:
web_fetch url="https://api.neynar.com/v2/farcaster/user/by_username?username=vitalik" headers="api_key: NEYNAR_API_KEY"
User lookup by FID:
web_fetch url="https://api.neynar.com/v2/farcaster/user/bulk?fids=3" headers="api_key: NEYNAR_API_KEY"
Cast thread/replies:
web_fetch url="https://api.neynar.com/v2/farcaster/cast/conversation?identifier=0xHASH&type=hash" headers="api_key: NEYNAR_API_KEY"
Post a cast:
exec command="curl -s -X POST 'https://api.neynar.com/v2/farcaster/cast' -H 'api_key: NEYNAR_API_KEY' -H 'Content-Type: application/json' -d '{\"signer_uuid\":\"SIGNER_UUID\",\"text\":\"Hello Farcaster!\"}'"
Post to a channel:
exec command="curl -s -X POST 'https://api.neynar.com/v2/farcaster/cast' -H 'api_key: NEYNAR_API_KEY' -H 'Content-Type: application/json' -d '{\"signer_uuid\":\"SIGNER_UUID\",\"text\":\"gm\",\"channel_id\":\"base\"}'"
Reply to a cast:
exec command="curl -s -X POST 'https://api.neynar.com/v2/farcaster/cast' -H 'api_key: NEYNAR_API_KEY' -H 'Content-Type: application/json' -d '{\"signer_uuid\":\"SIGNER_UUID\",\"text\":\"Great point!\",\"parent\":\"0xHASH\"}'"
Like a cast:
exec command="curl -s -X POST 'https://api.neynar.com/v2/farcaster/reaction' -H 'api_key: NEYNAR_API_KEY' -H 'Content-Type: application/json' -d '{\"signer_uuid\":\"SIGNER_UUID\",\"reaction_type\":\"like\",\"target\":\"0xHASH\"}'"
Search casts by keyword:
web_fetch url="https://api.neynar.com/v2/farcaster/cast/search?q=ethereum&limit=10" headers="api_key: NEYNAR_API_KEY"
Search channels:
web_fetch url="https://api.neynar.com/v2/farcaster/channel/search?q=defi" headers="api_key: NEYNAR_API_KEY"
| Feature | Free |
|---|---|
| Post cast | Yes |
| User lookup | Yes |
| User feed | Yes |
| Like/recast | Yes |
| Following feed | Yes |
| Cast search | Paid |
| Channel feed | Paid |
| Channel search | Paid |
Rate limit: 300 req/min (free tier)