"browser tool" matching MCP connectors:

Validate a product idea with real ad traffic from your coding agent. Create an idea, draft the brief and ad creative, and read the market read without leaving Claude Code, Codex, or OpenCode. 18 tools, all read-or-prepare; no tool can spend money. Docs: https://www.idea-launch.io/mcp

Paid x402 MCP tool for stress-testing launch and marketing copy before publication.

Agent-first waitlists: hosted signup pages with referral ranking. One tool call returns a live page.

Great QuestionOAuth

io.github.GreatQuestion

Run user research from any AI tool. Create studies, recruit participants, query insights.