LaunchCheck x402

io.github.apolito53/launchcheck-x402Version 1.0.0

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

Status

Responds252 msNov 14, 2026, 14:45 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://launchcheck-x402.fly.dev/mcpResponds252 msNov 14, 2026, 14:45 UTC

No sign-in

claude mcp add --transport http launchcheck-x402 https://launchcheck-x402.fly.dev/mcp

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Settings > Connectors > Add custom connector
Name: launchcheck-x402
Remote MCP server URL: https://launchcheck-x402.fly.dev/mcp

{
  "mcpServers": {
    "launchcheck-x402": {
      "url": "https://launchcheck-x402.fly.dev/mcp"
    }
  }
}

code --add-mcp '{"name":"launchcheck-x402","type":"http","url":"https://launchcheck-x402.fly.dev/mcp"}'

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1 tools

Tools of LaunchCheck x402
	Description		Read-only	Idempotent	Open world
`reaction_check`Review and stress-test launch messaging, landing pages, product announcements, pricing pages, changelogs, app-store listings, and marketing emails before publication. LaunchCheck evaluates copy through eight audience lenses, surfaces positioning and conversion friction, flags claims needing evidence, predicts likely reader questions, recommends concrete changes, and returns a fact-preserving rewrite. Requires $0.50 via x402 on Base.	Review and stress-test launch messaging, landing pages, product announcements, pricing pages, changelogs, app-store listings, and marketing emails before publication. LaunchCheck evaluates copy through eight audience lenses, surfaces positioning and conversion friction, flags claims needing evidence, predicts likely reader questions, recommends concrete changes, and returns a fact-preserving rewrite. Requires $0.50 via x402 on Base.	Not declared	Not declared	Not declared	Not declared

Registry status: Active
Published: Aug 15, 2026
Updated: Aug 15, 2026
Website: https://launchcheck-x402.fly.dev/docs⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Marketing and SEOSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared