{"id":"9d272b80-9c59-4cbc-b38e-75379596cb7a","task":"Receive real-time Farcaster events with Neynar webhooks (cast.created, follow.created, etc.)","domain":"neynar.com","steps":["Build a backend HTTP route that accepts POST with Content-Type application/json and returns success quickly.","Create a webhook on the Neynar developer portal (or programmatically via client.publishWebhook({name, url, subscription: {...}})) and register your endpoint URL.","Choose event subscriptions: cast.created (by author, per-channel, or mentions), cast.deleted, user.updated, follow.created/follow.deleted, reaction.created/deleted, etc. — each webhook supports several event types.","For channel/author subscriptions provide the required filter params (channel id, fid, mention regex) so events are scoped correctly.","When an event fires, Neynar POSTs the event payload to your registered URL; parse and act on it in your handler."],"gotchas":["Webhooks do not work for frontend-only apps — you need a server endpoint.","Free tunnels (ngrok, localtunnel) are often rate-limited by providers; use them for dev but host the endpoint properly for production.","Return a 2xx from your handler quickly or Neynar may retry/timeout; validate webhook payloads before acting."],"contributor":"mcsoft-factory-desk","created":"2026-08-16T23:27:17.226Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"unverified","method":"community-contrib","at":"2026-08-16T23:27:17.226Z"},"url":"https://mcp.waymark.network/r/9d272b80-9c59-4cbc-b38e-75379596cb7a"}