Best GNU MCP Servers
GNU is a free and open-source software project that provides a Unix-like operating system. It was founded by Richard Stallman in 1983 as part of his vision for software freedom. GNU stands for 'GNU's Not Unix' and is developed by the Free Software Foundation.
Why this server?
Allows booting and managing GNU Hurd VMs with natural language, including SSH execution and serial console access.
AlicenseAqualityAmaintenanceEnables AI assistants to run, manage, and debug BSD/Illumos VMs through natural language. Supports creating FreeBSD, OpenBSD, NetBSD, and OmniOS VMs, executing commands inside them, accessing console logs, and managing snapshots.71MITWhy this server?
Engraves GNU LilyPond music notation sources into cropped PDF, EPS, SVG, and PNG assets, including preview images and diagnostics for iterating on scores.
AlicenseAqualityAmaintenanceEnables engraving LilyPond sources into cropped, self-contained EPS, PDF, SVG, and PNG assets for placement in page-layout software, with support for files or inline code and helpful diagnostics on failure.3891MITWhy this server?
Provides arbitrary precision arithmetic operations and mathematical functions by integrating with the GNU bc (Basic Calculator) command-line tool, supporting calculations with configurable precision up to 100 decimal places.
AlicenseAqualityDmaintenanceProvides arbitrary precision arithmetic operations and advanced mathematical computations through the Unix bc calculator, supporting complex expressions, mathematical functions, and multi-line scripts with configurable precision.3MITWhy this server?
Licensed under GNU General Public License v3.0, ensuring open-source distribution and modification rights for the MTA:SA documentation server.
AlicenseAqualityCmaintenanceAn MCP server that provides AI assistants with access to Multi Theft Auto: San Andreas function documentation through vector similarity search and smart keyword expansion. It enables efficient information retrieval with features like deprecation warnings and SQLite caching for technical documentation.11808GPL 3.0Why this server?
Provides tools for reading, writing, and manipulating GNU Gettext .po translation files, including batch updates, context-aware lookups, and fuzzy entry detection.
AlicenseAqualityFmaintenanceA Model Context Protocol server for reading, writing, and managing GNU Gettext .po translation files, enabling language models to perform file operations, entry management, partial updates, and fuzzy entry detection.4MITWhy this server?
Provides tools for debugging C++ programs using the GNU Debugger (GDB), including session management, breakpoints, stepping, backtrace, variable inspection, and expression evaluation.
AlicenseAqualityBmaintenanceProvides GDB and clangd-based tools for debugging C++ programs, enabling step execution, variable inspection, diagnostics, and combined runtime-static analysis.271MITWhy this server?
Provides indexed code search and navigation capabilities using GNU Global's tags engine, enabling fast definition lookup, reference search, call hierarchy, and code exploration for large codebases.
AlicenseAqualityAmaintenanceProvides fast, indexed code navigation (definitions, references, callers, etc.) for AI coding agents by leveraging GNU Global (gtags), dramatically reducing context noise compared to grep.111MITWhy this server?
Provides tools for analyzing backgammon positions, evaluating moves, and running rollouts using the GNU Backgammon neural network engine.
FlicenseAqualityDmaintenanceMCP server wrapping the GNU Backgammon neural network evaluation engine. Provides 18 tools for position analysis, move evaluation, rollouts, and board conversion.18-Why this server?
Provides the licensing for the project under the GNU General Public License.
FlicenseBqualityDmaintenanceExposes various Marketstack API endpoints as MCP tools, providing access to financial market data including EOD, intraday, splits, dividends, tickers, exchanges, and other financial information.181-