alt Hacker NewsThey’re trained in using tools that take actions (like sending an email) and tools that retrieve information (like pulling down a Wikipedia article), yes. The specific pattern I see in a lot of SaaS MCPs though is tools for traversing a database which is not really either of those things.
The only one I've had any use for like that was the sqlite mcp they let's it pull the database index and structure
Seems to help it during database coding. But this could also be done easily with a file.