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?
Provides access to Scout APM performance monitoring data for Ruby applications, including traces, errors, endpoint metrics, and performance insights
AlicenseAqualityBmaintenanceEnables 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.1329MITWhy this server?
Supports auditing of Ruby projects, providing test strategy analysis based on repository structure.
AlicenseAqualityAmaintenanceocal-first, read-only MCP server that audits repository test architecture across ten language ecosystems. It returns deterministic evidence-backed findings, blockers, rankings, and repository-native test plans without modifying source files.219141MITWhy 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?
Detects and provides information about Ruby dev servers, including port, PID, memory usage, and allows killing them.
AlicenseAqualityDmaintenanceInspect, manage, and kill local dev servers via MCP. Stop guessing what's on :3000. Five tools: list servers with framework detection, inspect ports, find zombies, diagnose conflicts, safe-kill with dry-run default. Local, no cloud, no telemetry.5203MITWhy this server?
Enables running Ruby code with sandboxing, resource limits, and output capture.
AlicenseBqualityAmaintenanceAn 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.523Apache 2.0Why this server?
Enables scanning TODO comments in Ruby source files.
AlicenseAqualityCmaintenanceScans codebases for TODO comments and exposes them as structured data to LLMs, enabling AI assistants to inspect, prioritize, and propose fixes.513ISCWhy this server?
Provides code analysis and context for Ruby projects, enabling AI agents to understand project structure, symbols, relationships, and change impact.
AlicenseAqualityDmaintenanceBlindspot is a local, general-purpose context engine for AI coding agents. It helps agents understand project structure, symbols, relationships, and change impact before editing.91MITWhy this server?
Allows executing Ruby code and returning its output, enabling Ruby scripting and automation.
AlicenseBqualityBmaintenanceAn MCP server that gives Jan AI terminal and code execution capabilities, enabling shell commands, multi-language code execution, file manipulation, and git operations locally.10MITWhy this server?
Scans Gemfile.lock files to detect known vulnerabilities in Ruby dependencies and recommend fix versions.
AlicenseAqualityBmaintenanceAn MCP server that scans your lockfiles (npm, PyPI, Go, Rust, Ruby, PHP) for known vulnerabilities, enriches with EPSS exploit probability scores, and recommends fix versions. $14/mo — not per-seat.91MIT