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Dev tools · May 18, 2026

rails-mcp

Allows AI agents to eval and verify rails/ruby code changes

rails-mcp launched on May 18, 2026 with 2 votes, #6,288 of 20,538 launches that month.

What it does

Allows AI assistants to eval and verify rails/ruby code changes at lighting-speed access without the need restart server.

Allows AI assistants to eval and verify rails/ruby code changes at lighting-speed access without the need restart server. - raja-jamwal/rails-mcp

Setting this up? Point your coding agent (Cursor, Claude Code, etc.) at llms.txt and ask it to self-configure rails-mcp in your project. A Ruby gem that provides AI assistants with ruby code execution capabilities within the context of existing running application server. Think of it giving AI assistant lighting-speed access to ruby console without the need to write script, reload or restart. Works with Rails, Sinatra, Hanami, Roda, and any other Rack-based framework. The code is executed in your application's context for debugging and investigation. Used at Apollo.io against a Rails codebase with 20k+ Ruby files. bundle install Usage Mounting the MCP Server Rails ( config/routes.rb ):…from github.com

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