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stitch-loop: a Claude Code skill by Google Labs

Official

For builders who want an agent to grow a multi-page site with Google Stitch, one page per run. Skip it if you lack the Stitch MCP server or want to design pages yourself.

Before you install: When the roadmap is empty it tells the agent to invent the next page itself and queue it, so the loop keeps going without a new request from you.

Copy install command View the source
Score
76of 100
Rank
#104of 239
Installs
57.3Kon skills.sh
Security
Clear 5 scanners
Updated
2026
Context
~28tokens always

Install

npx skills add https://github.com/google-labs-code/stitch-skills --skill stitch-loop

Run it in your terminal. View the source

Using the Claude app rather than Claude Code? You can add a skill there too. How to add it in the app

What does stitch-loop do?

stitch-loop is a Claude skill that builds a website page by page with Google Stitch, using a baton file to pass work between runs. Each run reads the next task from .stitch/next-prompt.md, checks .stitch/SITE.md and .stitch/DESIGN.md, and calls Stitch MCP tools to create a project and generate a screen. It downloads the HTML and screenshot into .stitch/designs/, moves the page to site/public/, and wires navigation links. With Chrome DevTools MCP it can screenshot the local page to compare. It then marks the page in the sitemap in SITE.md and writes the next page's prompt into the baton so the loop goes on.

When should you use stitch-loop?

Use it when

  • You want an agent to keep adding pages to a site
  • You already use Stitch and have a DESIGN.md
  • You run agents from CI and want one page per run

Skip it when

  • You don't have Stitch MCP access
  • You want one hand-built page, not a running loop

What it needs and what it can touch

You need

  • The Stitch MCP server and a Stitch project
  • Chrome DevTools MCP for visual checks (optional)

What it can do

  • Reads and edits project files
  • Runs shell commands (a local dev server)
  • Sends prompts to an outside service (Google Stitch)

From reading its instructions, not from running it.

Why it scores 76

Strongest on trust (100 of 100), weakest on adoption (54).

  • Adoption35 points 54
  • Upkeep20 points 84
  • Trust20 points 100
  • Quality15 points 85
  • Reader answers10 points Not enough answers yet, so this does not count

How the formula works

Is stitch-loop safe to install?

Every scanner that checked it passed it. Scanners often miss what other scanners catch, and a skill can change after a scan. Read its source before you install it.

ScannerResultDate
Gen Agent Trust HubPassedSep 15, 2026
SocketPassedSep 15, 2026
SnykLow riskSep 15, 2026
RunlayerPassedMar 6, 2026
ZeroLeaksPassedApr 16, 2026

Details

Installs
57,252
Repository stars
8,724
Last repository change
Tokens always loaded
about 28
Tokens when used
about 2,498
License
Apache-2.0
Data confidence
High

Alternatives to stitch-loop

All skills for this job

  • enhance-prompt

    For Stitch users who want a vague UI idea turned into a structured prompt with design tokens.

    Score 76 59.4K installs Official

    Get enhance-prompt

  • Garden Skills

    For designers and developers who want polished HTML pages, prototypes and decks built step by step with checkpoints.

    Score 73 14.9K GitHub stars

    Get Garden Skills

  • web-artifacts-builder

    For developers making multi-screen claude.ai artifacts with state, routing or shadcn/ui parts.

    Score 86 118K installs Official

    Get web-artifacts-builder

  • design-md

    For Google Stitch users who want their screens written up as a DESIGN.md that guides new screens.

    Score 76 66K installs Official

    Get design-md