3 workflows
Cold Email Sequence Drafter
v1.0.1runcastle
A single Claude Code agent reads your offer and ideal-customer notes and writes a complete 5-touch cold email sequence — subject-line options, tight bodies, send timing, one clear CTA per email, and personalization tokens ready to merge at send time.
Competitor Teardown & Positioning Brief
v1.0.1runcastle
Fans out an analyst agent per competitor to fetch and dissect each rival's site — pricing, positioning, messaging, gaps — then a strategist synthesizes the teardowns into a single positioning brief with sharp, defensible angles for your product.
Newsletter Digest Builder
v1.0.1runcastle
Reads a links.md list of URLs, fetches each one inside the sandbox, and has a Claude Code agent write a ready-to-send newsletter digest — a tight 2–3 sentence summary of every link, why it matters to your readers, and the source link, all assembled into a single markdown issue.