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GitHub repos, explained for designers. What they do, how much code they need and what they really cost.

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  1. 1

    Perplexity MCP

    free with limitscopy & paste

    Give your AI agent live web search and research. Paste the config, add your key, done.

    by Perplexity
    real cost
    MIT code, Perplexity API usage is paid
    repo
    perplexityai/modelcontextprotocol
    activity
    ★ 2.6k · updated Oct 2026
    license
    MIT
  2. 2

    GSD Core

    free with limitscopy & paste

    A spec-driven workflow that keeps your AI coding agent on track. Plan, build, check and ship in small clean steps.

    by Open GSD, started by TÂCHES
    real cost
    MIT. Free code, your AI coding tool and model usage are on you.
    repo
    open-gsd/gsd-core
    activity
    ★ 11k · updated Nov 2026
    license
    MIT
  3. 3

    Firecrawl MCP

    free with limitscopy & paste

    Give your AI agent clean, structured content from any website. Scrape, search and parse pages right from your MCP client.

    by Firecrawl
    real cost
    MIT. Keyless tier is rate-limited, more tools need a paid API key.
    repo
    firecrawl/firecrawl-mcp-server
    activity
    ★ 7.8k · updated Nov 2026
    license
    MIT
  4. 4

    grill-me

    free with limitscopy & paste

    A skill that makes your AI agent interview you hard about a plan before it writes a line. Fewer wrong guesses, sharper briefs.

    by Matt Pocock
    real cost
    MIT. The skill is free, running it needs an AI agent you pay for or have access to.
    repo
    mattpocock/skills
    activity
    ★ 316k · updated Nov 2026
    license
    MIT
  5. 5

    Codex plugin for Claude Code

    free with limitscopy & paste

    Call Codex from inside Claude Code. Get a second-opinion code review or hand off a task without leaving your flow.

    by OpenAI
    real cost
    Apache-2.0. Needs a ChatGPT plan (Free works) or an OpenAI API key, and usage counts toward your Codex limits.
    repo
    openai/codex-plugin-cc
    activity
    ★ 35k · updated Jul 2026
    license
    Apache-2.0
  6. 6

    Playwright MCP

    freewith a dev

    Lets your AI assistant open a browser, click around and check your design for real.

    by Microsoft
    real cost
    Free code, runs with the AI assistant you already use
    repo
    microsoft/playwright-mcp
    activity
    ★ 39k · updated Nov 2026
    license
    Apache-2.0
  7. 7

    Uncut Sans

    freeno code

    A clean grotesk you can download and use, already showing up in real brand identities.

    by Kasper Nordkvist
    real cost
    SIL Open Font License 1.1. Free, including commercial use
    repo
    kaspernordkvist/uncut_sans
    activity
    ★ 404 · updated Sep 2024
  8. 8

    scroll-world

    free with limitswith a dev

    Ask an agent for a 3D fly-through landing page and get a starting point.

    by oso95
    real cost
    Free code, AI and media generation cost extra
    repo
    oso95/scroll-world
    activity
    ★ 11k · updated Jul 2026
    license
    MIT
  9. 9

    UI/UX Pro Max

    free with limitscopy & paste

    A design brain for AI agents, with styles, palettes and UX rules to pull from.

    by nextlevelbuilder
    real cost
    Free code, AI model usage costs extra
    repo
    nextlevelbuilder/ui-ux-pro-max-skill
    activity
    ★ 146k · updated Nov 2026
    license
    MIT
  10. 10

    Impeccable

    free with limitscopy & paste

    Skills that teach your AI coding assistant to design and polish frontends with more taste.

    by Paul Bakaus
    real cost
    Free code, AI model usage costs extra
    repo
    pbakaus/impeccable
    activity
    ★ 105k · updated Nov 2026
    license
    Apache-2.0