curl https://mock2.jetskibay.com/mcp \
  -H "Authorization: Bearer $CHROMA_TOKEN" \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -H 'MCP-Protocol-Version: 2026-07-28' \
  -H 'Mcp-Method: tools/call' \
  -H 'Mcp-Name: check_contrast' \
  --data '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"check_contrast","arguments":{"foreground":"#24372a","background":"#c1d2af"},"_meta":{"io.modelcontextprotocol/protocolVersion":"2026-07-28","io.modelcontextprotocol/clientCapabilities":{}}}}'