Agent skill
farcaster
Farcaster social protocol via Neynar API - read feeds, post casts, follow users
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/farcaster
SKILL.md
Farcaster
Interact with the Farcaster decentralized social protocol via Neynar API.
Setup
Get your API key from dev.neynar.com:
export NEYNAR_API_KEY=xxx
# Optional: For posting (requires signer)
export NEYNAR_SIGNER_UUID=xxx
Commands
Users
/fc user <username> Look up user profile
/fc search-users <query> Search for users
Feeds
/fc feed [--channel X] Get feed (optionally from channel)
/fc trending Trending casts
/fc channel <id> Get channel info
/fc channels <query> Search channels
Search
/fc search <query> Search casts
Write Operations (require signer)
/fc post <text> Post a cast
/fc reply <hash> <text> Reply to a cast
/fc like <hash> Like a cast
/fc recast <hash> Recast
/fc follow <username> Follow user
/fc unfollow <username> Unfollow user
Examples
/fc user vitalik.eth
/fc trending
/fc channel base
/fc search "ethereum"
/fc post "Hello Farcaster!"
/fc follow dwr.eth
Rate Limits
- Free tier: 300 requests/minute
- Standard: 1,000 requests/minute
- Premium: Higher limits
Features
- User profiles with verified addresses
- Cast search and feeds
- Channel discovery
- Trending content
- Full write operations (with signer)
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