I have some software running (behind cloudflare and results tailored to Brazil on SearXNG because of the brazilian IP):
- Redlib (Reddit front-end and proxy)
- Kittygram (Instagram front-end and proxy)
- SearXNG (Metasearch engine)
Feel free to use on Libredirect or directly!

It's more like steering or hijacking the "privileged" part of the models execution, as it continues from these tokens in the reasoning stage.
It's just an example, probably people can come with more interesting applications, steering the reasoning traces into different things.