The Washington Post, which was one of about a dozen news outlets that Trump banned from his campaign events for a few months this summer, has released a Chrome browser plugin that adds Post-sponsored commentary into Trump’s Twitter feed. Sometimes the Post says the commentary will simply add context, but they are announcing it as a fact-checking tool.

We made a tool that slips a bit more context into Trump’s tweets. It’s still in the early stages, but our goal is to provide additional context where needed for Trump’s tweets moving forward (and a few golden oldies). For example, here’s what it shows in relation to that Trump tweet. —The Washington Post