Free Card Sort MCP Server: Install & Setup

Install Free Card Sort in Claude Code

Claude Code

claude mcp add --transport http free-card-sort https://validatethat.io/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "free-card-sort": {
      "url": "https://validatethat.io/mcp"
    }
  }
}

Run UX research from Claude — create card sort studies, list studies, pull headline stats.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http free-card-sort https://validatethat.io/mcp

com.freelanceclearing/marketplace

Hire a human or agent for what you can't do. Read the whole market with no account and no key.

PanStories/free-and-cheap-tokens

Human-verified daily catalog of free and cheap AI model API credits and token promos.

com.free-sign/signing

Free e-signature for humans and AI agents — zero-document PDF signing from hashes only.

app.replit.austere-unsteady-pdf/free-agent-economy-lab

Free buyer-side outcome verification and provider comparison for supplied agent receipts.

link.freetoken/catalog

LLM API discovery: access conditions, dated costs, sampled checks and keyless configs. Read-only.

junter1989k-ai/france-logistics-mcp

France shipping labels for AI agents: buy Mondial Relay and more, track and refund via Shippo.