Why is there no uptime for xbbg MCP?
xbbg MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.
Is xbbg MCP open source?
Yes — it is published under the Apache-2.0 licence, written in Rust, 775 stars on GitHub and 3 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.