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To optimize database performance in Ruby on Rails, fix N+1 queries with includes, preload, or eager_load; index the columns your WHERE and JOIN clauses filter on; load only the columns you use with select and pluck; batch large reads and writes with find_each and insert_all; and move to read replicas or sharding only once query-level fixes run out.

AppSignal MCP went generally available last month. Until now, adding it to the Claude app meant pasting our endpoint URL into a custom connector form. Now you search for it like any other connector. Open Settings, go to Connectors, select the Discover tab, and search for AppSignal. That's the whole setup. For more detail on each step, follow the Claude app section of the setup guide. It works the same way in Claude on the web and in the desktop app..