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106,367 servers. Updated
20 Best GitHub MCP Servers: compared and ranked, October 2026Ranked from 1,950 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables Claude to analyze any public GitHub repository through typed, focused tools that surface metadata, README content, file structure, detected tech stack, and Mermaid architecture diagrams. It lets users explore repo purpose, structure, and dependencies via natural language without manual browsing.
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    An MCP server that builds a local webpage to view AI plans, reports, and diagrams, so the AI only needs to send a URL pointer instead of long text. It provides three tools (view_plan, view_report, view_diagram) and tracks project changes for diff viewing.
    3
    -
  • A
    license
    A
    quality
    D
    maintenance
    AI-native architecture diagramming for MCP clients (Claude Code, Cursor, Windsurf). The calling agent authors the graph (nodes, groups, edges); Flowgraf validates it, lays it out deterministically with ELK, renders an SVG + Mermaid, and returns a link to a live, editable canvas you can refine by chat, drag, or one-click AI design review. Agent-authored ops — no API key and no LLM cost to the calle
    3
    16 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables MCP-capable coding agents to access SkeletIQ architecture releases, including reading designs and build orders, generating and critiquing architectures, and reporting build progress and drift.
    6
    63 npm
    1
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Connects Claude directly to Godot 4 projects to read and manipulate scenes, nodes, scripts, and assets within the editor. It enables real-time scene tree management, script editing, and resource configuration through a local Node.js bridge and GDScript plugin.
    16
    1,390 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Lets Claude Code, Cursor, VS Code and other AI agents draw and edit draw.io diagrams from your project's files, on a live browser canvas you can also edit by hand. Includes version history, undo, cloud shape libraries (AWS, Azure, GCP) and PNG or SVG export.
    16
    28 npm
    36,315
    Apache 2.0
  • A
    license
    A
    quality
    C
    maintenance
    Renders diagram-as-code to PNG files on your disk, and also provides text-art previews and syntax validation, all locally without a browser or network.
    4
    6 npm
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    A graph layout server that computes node coordinates and edge paths from structure using elkjs, enabling agents to offload layout calculations without rendering.
    5
    2 npm
    Apache 2.0
  • F
    license
    A
    quality
    C
    maintenance
    Enables Claude Code to create and edit presentation-grade visualizations such as cloud architecture diagrams, charts, KPI dashboards, and poster infographics, with auto-layout, themes, and export to SVG, PNG, JPG, and PDF.
    6
    -
  • A
    license
    A
    quality
    C
    maintenance
    Enables MCP agents to validate architecture descriptions and scaffold complete, interactive React Flow diagram applications with multiple visual dialects, themes, exports, and verification probes.
    4
    Apache 2.0
  • F
    license
    A
    quality
    B
    maintenance
    Enables agents to read, edit, validate, and simulate Poietic Stock and Flow designs by driving the poietic CLI, allowing collaborative work with humans in Poietic Playground.
    18
    3
    -
  • A
    license
    Not graded
    quality
    B
    maintenance
    Local code-graph engine for AI coding workflows: static analysis of Rust, Cangjie, ArkTS, TypeScript/JavaScript, C/C++, Python, and Shell projects into symbols, imports, call graphs, and quality gates, with pre-commit change review and impact analysis. Read-only by design — never executes build scripts or uploads code.
    6
    1
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to generate professional UML diagrams (class, use case, activity, sequence) from natural language descriptions, producing editable .drawio files compatible with diagrams.net.
    7
    27 npm
    ISC
  • A
    license
    A
    quality
    D
    maintenance
    An MCP server that enables LLMs to create and open diagrams in draw.io using XML, Mermaid, or CSV formats, by building a URL with compressed content and opening it in the browser.
    3
    27 npm
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables analysis of any GitHub repository to get architecture, file roles, execution flows, system design Q\&A, and structured agent context. Works with MCP-compatible clients like Claude Desktop, Cursor, and Windsurf.
    6
    39 npm
    1
    MIT