Interview the founder once and write a docs/gtm-cofounder/founder-brief.md that every other skill reads first, so the advice is about their real business, not a textbook. Use this before anything else, or whenever the agent lacks context on the founder's product, ICP, market, or stage, or is giving generic GTM advice.
After the founder brief, turn it into an honest diagnosis and a prioritized, stage-aware GTM roadmap saved as docs/gtm-cofounder/gtm-roadmap.md. This is the hub the founder returns to every session to see where they are and the single next move. Use right after start-here, whenever the founder doesn't know what to work on next, wants a plan instead of a one-off task, or is drowning in disconnected tactics.
Refresh the founder's competitive and market context. Re-scan named rivals and the category for what changed since the brief was written (rebrands, repositioning, new entrants, pricing shifts, renamed categories) and update docs/gtm-cofounder/founder-brief.md and the roadmap with anything that moves positioning. Use on a cadence, or whenever a competitor rebrands, a new tool appears, or the founder senses the market has shifted under them.
Get the first 50 real users through channels the founder's ICP already uses. Use when the product shipped and nobody came, the founder is "posting more" with no result, or is reaching for paid ads before product-market fit.
Build authority by teaching the problem space, not announcing features. Use when the founder finds "marketing" distasteful and does none, publishes only product updates, or wants a sustainable content and GitHub-README strategy that developers actually respect.
Measure GTM with the metrics that matter (net developer retention, DREAM funnel) instead of vanity numbers. Use when the founder has dashboards full of stars and pageviews but can't tell if go-to-market is working, or is optimizing acquisition over a leaky bucket.
Plan a developer launch (Show HN, Reddit, Product Hunt) that earns goodwill instead of a flaming. Use when the founder is sitting on a launch out of fear, wants to "go viral," or is about to post a press-release-style announcement to a developer community.
Turn developer love into revenue by enabling champions and choosing a GTM model. Use when developers adopt the free tier but nobody pays, when the founder is cold-selling the VP instead of arming the developer, or when picking between open-source, PLG, inbound, and sales-led.