Check if any domain supports Universal Commerce Protocol (UCP). Returns verification status, manifest version, capabilities, response latency, and AI bot access policies (GPTBot, ClaudeBot, Google-Extended). Enables agent-to-tool compatibility for agentic commerce workflows.
Overview
UCP Checker MCP Server
Check any merchant domain for Universal Commerce Protocol (UCP) support.
Tools
- check-domain - Check if a domain has a valid UCP manifest
Usage (HTTP)
curl -X POST https://ucpchecker.com/mcp -H "Content-Type: application/json" -d
'{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"check-domain","arguments":{"domain":"shopify.com"}}}'
What it returns
- Verification status (verified, not_detected, invalid, blocked, unreachable)
- UCP manifest version and capabilities
- Response latency
- AI bot policies (GPTBot, ClaudeBot, Google-Extended, Applebot-Extended)
No authentication required
Public read-only access via HTTP transport.
Server Config
{
"mcpServers": {
"ucp-checker": {
"transport": "http",
"url": "https://ucpchecker.com/mcp",
"description": "Check if any domain supports Universal Commerce Protocol (UCP) for agentic commerce"
}
}
}