Interactive MCP Playground & Console

Test Model Context Protocol (MCP) servers live in your browser. Inspect protocol handshakes, send tools/call requests, and validate JSON-RPC 2.0 responses.

MCP Endpoint URL

JSON-RPC Method / Action

Search Query (`query`)

Outgoing Request (JSON-RPC 2.0)

{
  "jsonrpc": "2.0",
  "id": 3,
  "method": "tools/call",
  "params": {
    "name": "search_mcp_servers",
    "arguments": {
      "query": "postgres",
      "limit": 5
    }
  }
}

Server Response Inspector

// Click "Send JSON-RPC Request" to execute against the endpoint