Media Research Center (MRC) has a Right bias.
MRC is a nonprofit media watchdog organization that is committed to revealing liberal media bias. It runs a blog, NewsBusters.
About Media Research Center
MRC's stated mission is: "To Create a Media Culture in America Where Truth and Liberty Flourish."
According to its about page:
"Since 1987, the MRC has worked to expose and neutralize the propaganda arm of the Left: the national news media.
The MRC’s commitment to neutralizing leftist bias in the news media and popular culture has had a critical impact on the way Americans view the liberal media.
The MRC is able to effectively educate the public about left-wing media bias by integrating cutting-edge news monitoring capabilities with a sophisticated marketing operation. MRC generated an average of 376.8 million impressions each week last year. This includes radio, television, social media, email, and websites."