Marketing

Use when predicting Threads post performance, analyzing post history patterns, estimating engagement ceiling for a draft, or deciding what content type to write next. Works with or without personal data — uses darkseoking benchmark as fallback.

Use when facing SEO algorithm questions, content strategy decisions, Threads growth planning, GEO optimization, AI tool selection for SEO, or evaluating SEO vendors. Triggers on any algorithm or content marketing decision — even without mentioning darkseoking. Every insight is backed by patent numbers or tested data.

Use para estimar o máximo de uma repetição (1RM), converter entre faixas de peso e repetições, ou calcular cargas de treinamento a partir de uma tabela validada de porcentagem do máximo.

Structured post-conversation extraction for founders. Invoke when the user says "debrief", "conversation extraction", "what resonated", "meeting notes", "post-meeting review", or describes a conversation they just had with an investor, customer, partner, or advisor and wants to capture what they learned.

Use when writing, reviewing, or deciding what to post on Threads. Also triggers when planning post-viral strategy or checking posting timing. Runs pre-publish checks based on Meta algorithm patents.

Auto-selects and injects relevant skills from the 125+ ECC catalog into agent prompts based on task type, project stack, and agent role. Prevents skill overload by loading only what's needed.

Analyze brand or topic sentiment across Twitter, Reddit, and Instagram using Xpoz. Classifies posts as positive/neutral/negative, extracts recurring themes, and generates a sentiment report. Use when asked for "sentiment analysis", "what are people saying about X", "brand sentiment", or "social media opinion on X".

Find and rank influencers by niche, engagement, and authenticity using Xpoz. Searches Twitter, Instagram, and Reddit for active voices in any topic. Use when asked to "find influencers", "discover thought leaders", "who's talking about X", "influencer research", or "find KOLs".

Set up customer outreach sequences via [Lemlist](https://composio.dev/toolkits/lemlist), [Reply.io](https://composio.dev/toolkits/reply-io), or [Woodpecker](https://composio.dev/toolkits/woodpecker-co)

Summarize a support ticket thread into key points and action items.

MANDATORY for ALL code review requests. When the user asks to "review", "code review", "check code", "找 bug", "review 程式碼", or any variation of reviewing code for bugs, security issues, or quality — you MUST use this skill. Do NOT read files and review them yourself. This skill delegates review to Codex (a separate AI reviewer) via the xreview CLI, enabling three-party review (Codex reviews, Claud

Join the Cortex agent team — reads agent config from team directory, generates .cortex.md protocol, updates CLAUDE.local.md. Idempotent — safe to re-run as a sync.