# Hooklayer > Hooklayer is a viral-content intelligence API and MCP server for AI agents. It exposes 100K+ analyzed viral videos as 7 agent-callable tools — score hooks, remix viral formulas, predict virality, surface trends, and match creator voice styles. Website: https://hooklayer.dev Category: AI Developer Tool / Content Intelligence API API Base: https://hooklayer.dev/api/v1 MCP Server: https://hooklayer.dev/api/mcp ## What Hooklayer Does Hooklayer gives AI agents structured access to viral-content intelligence. Instead of scraping or guessing, agents call Hooklayer tools to analyze TikTok creators, score hooks against proven patterns, remix viral videos into fresh scripts, discover trending formats, match voice styles, and predict virality — all via REST API or MCP server. ## 7 Tools (REST + MCP) ### analyze_account (5 credits) - TikTok handle → full Viral DNA scores, format fingerprint, steal map - Returns recommended_chain: pre-filled next tool calls for agentic loops - 1-hour cache per handle ### score_hook (1 credit) - Score a hook 0–100 against viral patterns - Returns 3 rewrites, matched pattern, percentile ranking ### viral_remix (3 credits) - URL or transcript → fresh script mirroring original viral DNA - Preserves scene structure, energy pattern, camera directions ### trend_pulse (1 credit) - Real-time rising opportunities + saturated patterns by niche - Format/hook/style trends, not news topics - 12-hour cache per niche ### find_viral_template (1 credit) - Niche-fit ranked templates with hook patterns and format structures - Returns example URLs and adaptation guidance ### match_voice (2 credits) - Extract creator voice from reference samples - Rewrite any draft in their style, returns voice signature ### predict_virality (2 credits) - Score draft script for viral potential - Returns viral DNA, retention diagnosis, target emotion, share reason ## Authentication Bearer token authentication. Keys are prefixed `hl_live_*` and minted in the dashboard. ## Pricing - Free: $0, 100 lifetime credits, 30 req/min (no card required) - Starter: $19/month, 150 credits, 60 req/min - Pro: $39/month, 400 credits, 300 req/min - Agency: $99/month, 2000 credits, 1000 req/min - Pay-as-you-go top-ups available, credits never expire - No seat charges ## Integration - REST API: `https://hooklayer.dev/api/v1` - MCP Server: `https://hooklayer.dev/api/mcp` (drop into Claude Desktop, Cursor, n8n in 30 seconds) - Playground: `https://hooklayer.dev/playground` (try before building) ## Who Uses Hooklayer - AI agent builders adding content intelligence to workflows - n8n / Make / Zapier automations needing a viral-content quality gate - Content teams building agentic loops for TikTok and short-form video - Developers integrating hook scoring and trend data into apps ## Links - Homepage: https://hooklayer.dev - Documentation: https://hooklayer.dev/docs - Pricing: https://hooklayer.dev/pricing - Playground: https://hooklayer.dev/playground - Get API Key: https://hooklayer.dev/auth/signup