Open source
GitHub repos, explained for designers. What they do, how much code they need and what they really cost.
- 1
Perplexity MCP
free with limitscopy & pasteGive 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
GSD Core
free with limitscopy & pasteA 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
Firecrawl MCP
free with limitscopy & pasteGive 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
grill-me
free with limitscopy & pasteA 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
Codex plugin for Claude Code
free with limitscopy & pasteCall 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
Playwright MCP
freewith a devLets 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
Uncut Sans
freeno codeA 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
scroll-world
free with limitswith a devAsk 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
UI/UX Pro Max
free with limitscopy & pasteA 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
Impeccable
free with limitscopy & pasteSkills 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
Nothing here with that access yet.