Best Ruby MCP Servers
Ruby is a dynamic, open source programming language with a focus on simplicity and productivity. Its elegant syntax is natural to read and easy to write.
Why this server?
Maps Ruby repositories to identify important files and code elements, showing their relationships
AlicenseAqualityDmaintenanceA powerful tool designed to help, primarily LLMs, understand and navigate complex codebases. It functions both as a command-line application for on-demand analysis and as an MCP (Model Context Protocol) server, providing continuous repository mapping capabilities to other applications. By generating22205MITWhy this server?
Provides AST-aware code intelligence for Ruby codebases, including semantic search, dependency graphs, and refactoring analysis.
AlicenseAqualityBmaintenanceStandard coding agents waste 70% of context tokens re-reading raw files with shell grep. Synapse-MCP indexes your codebase into a sub-millisecond local AST graph—giving Claude Code, Cursor, and Windsurf exact caller trees, 60% lower token spend, and zero-hallucination refactoring.2141MITWhy this server?
Enables running Ruby code with sandboxing, resource limits, and output capture.
AlicenseAqualityAmaintenanceAn MCP server that lets AI models run code in 31 languages, evaluate symbolic math and logic problems, and measure complexity—exposed as 48 tools for execution, session management, translation, optimization, and more.2493Apache 2.0Why this server?
Enables AST-aware pattern matching, search, and safe refactoring for Ruby code using ast-grep, supporting structural code manipulation across files.
AlicenseAqualityDmaintenanceEnables structural code search and refactoring across 20+ programming languages using ast-grep patterns, with safe dry-run mode and flexible filtering.11MITWhy this server?
Provides access to Scout APM performance monitoring data for Ruby applications, including traces, errors, endpoint metrics, and performance insights

Scout Monitoring MCPofficial
AlicenseAqualityCmaintenanceEnables AI assistants to access Scout Monitoring performance and error data through Scout's API. Provides traces, errors, metrics, and insights for Rails, Django, FastAPI, Laravel and other applications to help identify and fix performance issues like N+1 queries, slow endpoints, and memory bloat.1330MITWhy this server?
Generates technology-specific prompts and templates for Ruby projects, including PRD, codebase analysis, and bug analysis.
AlicenseAqualityCmaintenanceEnables AI assistants to dynamically generate technology-specific prompts and modular templates for PRD, codebase analysis, and bug analysis through programmable tools, supporting 31 technology stacks and multiple analysis dimensions.623 npm4MITWhy this server?
Enables execution of Ruby code fragments with result display
AlicenseBqualityFmaintenanceMCP Server for running code snippet and show the result.1520 npm246MITWhy this server?
Provides indirect support for Ruby code analysis and manipulation through language server integration
AlicenseBqualityCmaintenanceA coding agent toolkit that transforms LLMs into coding assistants capable of working directly on your codebase with semantic code retrieval and editing tools, providing IDE-like capabilities without requiring API subscriptions.331MITWhy this server?
Auto-detects project DNA and stack details for Ruby projects by scanning the Gemfile.
AlicenseAqualityAmaintenancePersistent project context for Google Gemini. 12 MCP tools for .faf Project DNA — auto-detect your stack, validate, score, and sync across CLAUDE.md, GEMINI.md, and AGENTS.md. Python/FastMCP. IANA-registered format (application/vnd.faf+yaml). 183 tests. One file, every AI platform.13652 PyPI2MIT