CastLive

Turn live streams into interactive, guest-driven shows.

CastLive is a live streaming platform for creators who want to invite guests, field audience requests, and build structured talk formats around their stream. It helps streamers run debates, interviews, commentary, and collaborative clips with controlled guest access, request moderation, and easy live switching. The product matters because it makes live collaboration feel organized instead of chaotic, while giving creators more ways to engage viewers and grow audience time spent.

Business Goals

  • Reach 50,000 monthly active viewers within 6 months of launch.
  • Convert 12% of signups into weekly active stream hosts within 90 days.
  • Achieve 35% month-2 retention among creators who host at least 2 live sessions.
  • Drive 20% of live sessions to include at least one guest invite or audience request interaction within 4 months.
  • Keep customer support tickets below 3 per 1,000 live sessions after stabilization.

User Goals

  • Start a live stream in under 2 minutes.
  • Add or remove guests during a live session without breaking the broadcast.
  • Turn audience requests on or off for the stream at any time.
  • Moderate who can join, speak, or appear on stream.
  • Clip important moments and reuse them as highlights after the live session.

Non-Goals

  • Not building a full video editing suite for post-production.
  • Not supporting anonymous public guest access without host approval.
  • Not competing with enterprise webinar platforms or virtual event software.
  • Not launching full monetization features like subscriptions, tipping, or ad inventory in the MVP.

Creator Casey, 29 - A live creator who runs debates, reaction streams, and community hangouts. Casey wants more audience participation without losing control of the room.

Creator Casey, 29

  • As a creator, I want to approve guests before they join, so that I can keep the stream on topic and safe.
  • As a creator, I want to toggle audience request mode on and off, so that I can control how interactive the session is.
  • As a creator, I want to clip a live moment with one click, so that I can share highlights later.

Moderator Maya, 34 - A community moderator who helps manage a busy creator channel. Maya needs tools to keep requests organized and remove disruptive participants quickly.

Moderator Maya, 34

  • As a moderator, I want to see incoming guest requests in a queue, so that I can triage them fast.
  • As a moderator, I want to mute, remove, or reject guests during a stream, so that the host stays in control.
  • As a moderator, I want to review flagged clips and comments, so that unsafe content is handled quickly.

Viewer Dev, 22 - A viewer who likes to jump into debates, interviews, and live community discussions. Dev wants a simple way to request participation and watch highlights afterward.

Viewer Dev, 22

  • As a viewer, I want to request to join a live stream, so that I can participate when the host allows it.
  • As a viewer, I want to know whether my request is pending, approved, or denied, so that I am not confused.
  • As a viewer, I want to watch clipped highlights from the stream, so that I can catch up on what I missed.

Live Stream Hosting and Broadcast Control · High priority

  • Creators must be able to start, manage, and end live broadcasts with basic controls that remain stable under guest switching and request traffic.
  • Support one-to-many live broadcast with host, co-host, and guest roles.
  • Allow host to toggle audience request mode on or off during the stream.
  • Provide one-click end stream, reconnect, and stream health indicators.
  • Preserve the live session state when guests join, leave, or are removed.
  • Display clear error states if camera, microphone, or network permissions fail.

Guest Request and Approval Workflow · High priority

  • The platform must support a controlled request flow so hosts can invite or approve participants without interruption.
  • Queue incoming requests with username, avatar, device status, and message note.
  • Allow host and moderators to approve, deny, or ignore requests in real time.
  • Limit the number of simultaneous guests according to host-selected caps, defaulting to 3 on MVP.
  • Support host-issued direct invites and time-limited invite links.
  • Auto-expire requests after a configurable window, such as 10 minutes.

Live Switching and Scene Management · High priority

  • The stream should support seamless transitions between host-only view, guest view, and clip playback moments without dropping the audience session.
  • Switch between solo, split-screen, and guest spotlight layouts.
  • Allow pinning one speaker as primary without interrupting the stream.
  • Support basic clip insertion as a live replay moment from the current session.
  • Show latency-aware warnings if switching may impact stream quality.
  • Fallback to a safe default layout if guest video fails.

Clipping and Session Highlights · Medium priority

  • Creators need a lightweight way to capture moments from live content and turn them into shareable assets after the stream.
  • Create clips from the last 15, 30, or 60 seconds.
  • Allow title, tag, and publish settings for each clip.
  • Generate a post-stream highlight reel from selected clips.
  • Store clip metadata linked to session, creator, and timestamps.
  • Support moderation review before clips are publicly visible.

Viewer Discovery and Replay · Medium priority

  • The platform should let viewers find live sessions, watch replays, and understand whether participation is available.
  • Show live status, guest-enabled badge, and topic tags on stream cards.
  • Display a request-to-join button only when the host enables requests.
  • Provide replay pages with highlighted moments and clip timeline markers.
  • Support basic search by creator name, topic, and live status.
  • Offer shareable links for live sessions and clips.

Creator Onboarding to First Live Session

  • Sign up with email, Google, or Twitch account.
  • Choose a creator profile name, topic category, and stream intent such as debate, interview, or community hangout.
  • Grant camera, microphone, and optional screen-share permissions.
  • Set default moderation preferences for guest requests and audience participation.
  • Start a test broadcast and confirm audio/video health in under 2 minutes.
  • Go live with a public or unlisted session and begin accepting or rejecting requests.

1. Start Stream

  • The creator opens the dashboard, configures the live session, and starts broadcasting with default or saved settings.
  • Validate camera and microphone permissions before enabling Go Live.
  • Show a preflight checklist for bitrate, device selection, and title/topic fields.
  • Prevent launch if no usable audio source is detected unless the creator explicitly mutes themselves.

2. Control Requests

  • Incoming viewer requests appear in a live queue that host and moderators can manage instantly.
  • Display each request with viewer identity, message, and join device.
  • Let the host approve, deny, or ban with a single click.
  • Surface queue overflow warnings if request volume is high, such as more than 50 pending requests.

3. Add Guests Live

  • Approved participants enter the stream with role-based permissions and layout changes are applied smoothly.
  • Auto-switch layouts when a guest joins, with optional host confirmation.
  • Allow the host to remove or mute a guest instantly.
  • Fallback to audio-only mode if the guest camera fails or bandwidth is weak.

4. Capture Moments

  • The creator can clip or bookmark standout moments while streaming without leaving the live interface.
  • Support one-tap clipping for recent moments and manual start-stop clipping.
  • Ask for a short clip title before publishing publicly.
  • Store clips locally first if network sync is delayed, then upload when connection stabilizes.

5. Finish and Publish

  • When the session ends, the platform summarizes performance and offers post-stream sharing options.
  • Show session duration, viewers, guest count, and clipped moments.
  • Recommend a highlight reel from the top engagement segments.
  • Allow the creator to publish replay, keep it private, or delete it from public view.

Power Features and Edge Cases

  • Guest invite links with expiration, single-use access, and optional pre-approval.
  • Moderator roles with separate permissions for request handling and clip review.
  • Speaker queue for planned debates or panel discussions.
  • Live topic tags and audience request mode presets for recurring show formats.
  • Auto-downgrade to solo mode if all guests disconnect unexpectedly.
  • Content moderation hooks for flagged words, blocked users, and report queues.

Interface Principles

  • Keep the live control bar visible at all times on desktop and mobile web.
  • Use large, high-contrast buttons for approve, deny, mute, remove, and clip actions.
  • Design for low-latency awareness with clear status chips for live, lagging, reconnecting, and offline.
  • Make request queue updates accessible with screen-reader announcements and keyboard navigation.
  • Optimize the studio view to load critical controls first and defer nonessential panels until after stream start.

Casey runs weekly finance debates on a fragmented setup of chat apps, guest links, and manual scene switching. When the audience gets excited, requests pile up and the stream becomes hard to control, so Casey misses good guests and spends too much time managing chaos instead of the conversation.

With CastLive, Casey starts a session, turns on request mode, and lets moderators triage guests from a live queue. Approved viewers join instantly, Casey pins the strongest speaker, clips the best moments, and ends the show with a clean replay and highlight reel.

The result is a more polished live format that keeps viewers engaged longer and gives Casey repeatable, scalable ways to grow the channel. CastLive makes live collaboration feel professional, which increases watch time, reduces friction, and turns spontaneous debates into a dependable show format.

User-Centric Metrics

  • Average time from signup to first live session under 2 minutes for 80% of new creators.
  • At least 60% of live sessions include one guest request or guest invite within 30 days.
  • Average request approval time under 20 seconds during active streams.
  • Clip creation rate of at least 1 clip per 3 live sessions among active creators.
  • Viewer satisfaction score of 4.5 out of 5 or higher on replay and live participation flows.
  • Less than 5% of sessions experience a guest-join failure requiring support intervention.

Business Metrics

  • 12% signup-to-active-host conversion within 90 days.
  • 35% month-2 creator retention among creators who have hosted at least twice.
  • 20% of sessions generate at least one shareable clip within 6 months.
  • 25% of creators return weekly after their first successful guest-enabled stream.
  • Organic referral growth of 15% month over month from shared replay and clip links.

Technical Metrics

  • 99.9% uptime for live session control services.
  • Median request queue refresh latency under 500 ms.
  • Guest join success rate above 98% for approved invites.
  • No critical security incidents involving live session access or invite links.
  • Replay and clip playback start in under 2 seconds for 95% of sessions.

Tracking Plan

  • Track signup_completed with source, auth provider, and creator category.
  • Track stream_preflight_passed with device checks, permission status, and network quality.
  • Track live_session_started with session type, topic tags, and request mode setting.
  • Track guest_request_submitted, guest_request_approved, guest_request_denied, and guest_joined with timestamps.
  • Track clip_created with clip length, source timestamp, and publish status.
  • Track stream_ended with duration, viewer peak, guest count, and clip count.
  • Track replay_published and replay_shared with destination channel and engagement source.

Technical Needs

  • Frontend web app in Next.js with React and TypeScript for the creator studio and viewer pages.
  • Real-time signaling and presence using WebSocket infrastructure or a managed service such as Ably or Pusher.
  • Live video delivery with WebRTC for interactive guest joins and HLS for scalable viewer playback.
  • Backend API in Node.js or NestJS with PostgreSQL for session, user, request, and clip data.
  • Object storage such as AWS S3 for clips, thumbnails, and replay assets.
  • Auth via Clerk or Auth0 with role-based access control for host, moderator, and viewer roles.
  • Analytics pipeline using Segment or PostHog for event tracking and funnel analysis.

Integration Points

  • Twitch OAuth or Google OAuth for account creation and creator identity.
  • Mux or LiveKit for video ingest, guest routing, and session playback.
  • Cloudflare for CDN, edge caching, and DDoS protection.
  • OpenAI or a moderation vendor for optional transcript and safety review workflows.
  • Stripe later for monetization, even if not part of MVP, to preserve future compatibility.

Data Storage & Privacy

  • Store minimal personal data and separate account identity from public display data.
  • Encrypt sensitive data in transit with TLS and at rest in the database and object storage.
  • Provide user deletion and export flows to satisfy GDPR and CCPA requests.
  • Expire invite tokens and request metadata after a defined retention window unless needed for abuse review.
  • Log moderation actions with timestamps and actor IDs for auditability without exposing private viewer data.

Scalability & Performance

  • Use CDN-backed video delivery to support spikes in concurrent viewers without overloading origin services.
  • Isolate real-time request traffic from playback traffic so queue updates stay fast during popular streams.
  • Paginate and cap request queues at the API level to avoid overload from spam bursts.
  • Use background jobs for clip processing and replay generation to keep the live path responsive.

Potential Challenges

  • High request spam or bot abuse could overwhelm hosts; mitigate with rate limits, CAPTCHA on request submission, and account reputation checks.
  • Guest video instability could interrupt sessions; mitigate with auto-reconnect, audio-only fallback, and safe layout defaults.
  • Moderation overload during popular streams could create delays; mitigate with moderator roles, request batching, and quick-action controls.
  • Clip or replay processing could lag after large streams; mitigate with asynchronous workers and prioritized job queues.
  • Privacy and consent issues may arise when guests are recorded; mitigate with explicit join consent, invite disclosures, and retention controls.

Team & resourcing - Small team - 3 engineers, 1 product designer, part-time PM, and 1 QA contractor.

Phase 1: MVP Live Studio · Weeks 1–4

  • Creator signup and profile setup
  • Live session start/stop flow
  • Basic request mode toggle
  • Guest approval and removal controls
  • Simple viewer page for live sessions
  • Postgres schema for users, sessions, requests, and roles

Phase 2: Guest Collaboration and Clipping · Weeks 5–8

  • Real-time guest join via WebRTC or managed video SDK
  • Split-screen and spotlight layouts
  • Live request queue with moderator actions
  • One-click clipping from live sessions
  • Replay page with clips and basic highlights

Phase 3: Moderation and Reliability · Weeks 9–12

  • Invite links with expiration and single-use tokens
  • Rate limiting and anti-spam protections
  • Session health indicators and reconnect handling
  • Audit log for moderation actions
  • Analytics dashboard for creator engagement and request flow

Phase 4: Growth and Polish · Weeks 13–16

  • Improved discovery and search for live and replay content
  • Shareable clip pages with social metadata
  • Accessibility improvements and keyboard shortcuts
  • Performance tuning for high-concurrency sessions
  • A/B test hooks for onboarding and request mode defaults

Paste this into Cursor, Bolt, Lovable, or v0 to start building.

Build a web app called CastLive, a live streaming platform where creators can host shows, invite guests, and let viewers request to join live streams. Use Next.js, React, TypeScript, Tailwind, and a Node.js API with PostgreSQL. Include auth with Clerk or Auth0, real-time updates via WebSockets or Ably, and live video via LiveKit or Mux.

Core features to implement:
Creator onboarding with profile setup and stream preferences
Creator studio with start stream, end stream, device checks, request mode toggle, and live health indicators
Real-time guest request queue with approve, deny, mute, remove, and invite actions
Guest join flow with host-controlled roles and layout switching for solo, split-screen, and spotlight views
Clipping tool to capture the last 15/30/60 seconds or mark clip moments during a stream
Viewer pages for live sessions, replays, and clip playback
Post-stream summary with viewer peak, duration, guest count, and clips
Moderator role support and audit log for moderation actions

Data model tables should include users, creator_profiles, live_sessions, guest_requests, session_participants, clips, replay_assets, moderation_actions, and invite_tokens. Include role-based access control for host, moderator, guest, and viewer. Add analytics events for signup, preflight passed, stream started, request submitted, request approved, guest joined, clip created, stream ended, and replay shared.

Design the UI for a polished creator studio: large actionable buttons, persistent live control bar, request queue panel, session preview, and accessible keyboard navigation. Make the app responsive for desktop and mobile web. Use mocked data where needed, but structure the code so the video backend and request queue are production-ready and easy to swap to a real provider. Ship an MVP first with live sessions, request approvals, guest joins, clipping, and replay viewing.

Business Idea

I wanna make a streaming platform they can add clips and you can stream you can debate finance you can do anything make it look like kicking twitch streamers can add anyone they want to their live stream basically like there’s so many request to get added added and she was like edit their life streams basically just add everything in and that you make it turn on a request and they can turn off request

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