Atlas / MCP servers / greensheep01201 / Stitch Auto

Stitch AutoCAUTION

mcp/greensheep01201/stitch-auto

Automated installer for Stitch MCP - The easiest way to set up your Universal MCP server for Google Stitch.

Verdict
CAUTION
Grade
B
Trust score
89 /100
Exposed tools
33 29r · 3w · 1d
Transport
stdio
License
Apache-2.0
Stars
31
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

English | 한국어

One command. Instant UI. The most automated MCP server for Google Stitch.

💡 Just share this link with your AI: https://github.com/GreenSheep01201/stitch-mcp-auto

Why stitch-mcp-auto?

Features:

  • Auto Setup - One command installs everything (gcloud auth, API enable, MCP config)
  • Multi-CLI Support - Works with Claude Code, Gemini CLI, Codex CLI
  • 19 Custom Tools + Stitch Core - Design generation, accessibility checks, tokens, responsive variants, and design system export
  • 7 Workflow Commands - /design, /design-system, /design-flow, /design-qa, /design-export, /generate-asset, /design-full
  • 🎨 AI Image Generation - Generate logos, icons, hero images via Gemini 3 Pro (uses Antigravity - Google's experimental
Read from source at commit dc4fe0213300OBSERVED · 2026-10-08
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code
claude mcp add stitch-mcp-auto -- npx -y [email protected]
claude-desktop
{
  "mcpServers": {
    "stitch-mcp-auto": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}
03

Exposed tools (33)

29 read · 3 write · 1 destructive. Blast radius: 1 tool can delete or overwrite — an agent that can be talked into calling a tool can be talked into calling this one.

ToolRiskDescription
analyze_accessibilityreadAnalyzes a screen for WCAG 2.1 accessibility compliance. Checks color contrast, text sizes, touch targets, semantic structure, and provides actionable recommendations.
apply_design_contextwriteGenerates a new screen using a previously extracted design context to ensure visual consistency. Combines the power of design context with a new screen description.
batch_generate_screensreadGenerates multiple related screens in a single operation with consistent design language. Ideal for creating complete user flows or page sets.
check_antigravity_authreadChecks Antigravity (Gemini 3 Pro) auth status. Required for image asset generation (logo, icon, illustration). Stitch auth (gcloud) is separate and used for UI page generation.
clear_workspace_projectdestructive🗑️ Removes the Stitch project association from the current workspace/folder. Use this when the user wants to start fresh or switch to a different project.
compare_designsreadCompares two screens to identify design differences, inconsistencies, and suggest harmonization opportunities. Useful for design system audits.
component_formatreadComponent format: react, vue, html, json
designreadSmart UI design generation with automatic style detection and trend application
design-exportreadGenerate design system packages for developer handoff (tokens, components, docs)
design-flowreadGenerate multiple screens for complete user flows with consistent design
design-qareadComprehensive design quality, accessibility (WCAG 2.1), and consistency checks
design-systemwriteCreate new screens while maintaining existing design style for brand consistency
devicereadDevice type: MOBILE, DESKTOP, or TABLET
export_design_systemreadExports a complete design system package from project screens including tokens, components, documentation, and assets. Ready for developer handoff.
extract_componentsreadExtracts reusable UI component patterns from a screen. Identifies buttons, cards, forms, navigation elements, etc. with their styles and variants.
extract_design_contextreadExtracts design DNA from an existing screen including colors, typography, spacing, layout patterns, and component styles. Use this to maintain visual consistency across multiple screens.
fetch_screen_codereadRetrieves the actual HTML/Code content of a screen.
fetch_screen_imagereadRetrieves the screenshot/preview image of a screen.
flowreadFlow description (e.g.,
generate_design_assetread🎨 Generates design assets (logo, icon, illustration, hero image, wireframe) using Gemini via Antigravity OAuth. Supports gemini-3-pro (default), gemini-2.5-pro. Use check_antigravity_auth to verify auth status first.
generate_design_tokensreadGenerates design tokens (CSS variables, Tailwind config, or design system JSON) from an existing screen
generate_responsive_variantreadCreates a responsive variant of an existing screen for a different device type while maintaining the same design language and content.
generate_style_guidereadGenerates a comprehensive style guide/design documentation screen from an existing design. Creates a visual reference of colors, typography, components, and usage guidelines.
get_workspace_projectread🔍 Checks if there is an existing Stitch project associated with the current workspace/folder. Returns project info if found, or null if no project is set. Use this at the start of a session to check for existing projects and ask the user if they want to continue with it.
levelreadWCAG level: A, AA, or AAA
orchestrate_designread🎭 Full design orchestration: Generates assets (logo, icons, hero) via Antigravity/Gemini 3 Pro with auto background removal, then creates complete UI with Stitch API. Requires both Stitch (gcloud) and Antigravity auth for full functionality. One prompt to complete design!
promptreadScreen description (e.g.,
reference_screen_idreadScreen ID to use as design reference
screen_idreadScreen ID to analyze (or
set_workspace_projectwrite💾 Associates a Stitch project with the current workspace/folder. This allows continuing work on the same project in future sessions. The project info is stored in .stitch-project.json in the current directory.
stylereadDesign style: glassmorphism, dark, minimal, bento-grid, etc.
suggest_trending_designreadSuggests and applies modern UI/UX design trends to a screen prompt. Includes glassmorphism, bento-grid, gradient meshes, micro-interactions, and more.
token_formatreadToken format: css-variables, tailwind, scss, json
04

Trust audit

CAUTIONgrade B · trust 89/100 Install with care. The audit found things worth knowing before you trust its output.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codeWARN
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfaceWARN
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
declared (3 observation(s))
Network
declared (5 observation(s))
Shell
declared (5 observation(s))
Dependencies
not all pinned
Secrets in source
none-found

Findings (10)

MEDIUMFilesystem / path · fs.system_paths · CWE-22, CWE-59
index.js:287
'/usr/local/bin/gcloud',
MEDIUMFilesystem / path · fs.system_paths · CWE-22, CWE-59
setup.js:319
'/usr/local/bin/gcloud',
MEDIUMFilesystem / path · mcp.destructive_tools · CWE-22, CWE-59
clear_workspace_project
Why it matters. 1 tool(s) can delete or overwrite
Fix. prefer a read-only mode or scoped tokens; the page states the blast radius
LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
package.json
@modelcontextprotocol/sdk, googleapis, node-fetch, open, sharp
Why it matters. 5 dependency range(s) float
Fix. pin exact versions or ship a lockfile
LOWPrompt injection · prompt.persistence · CWE-94, CWE-1427
README.md:177
# Add to PATH
Why it matters. instructs the agent to persist itself in the user's environment
LOWSupply chain · prompt.pipe_to_shell · CWE-829, CWE-1357
README.ko.md:128
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
LOWSupply chain · prompt.pipe_to_shell · CWE-829, CWE-1357
README.ko.md:168
curl https://sdk.cloud.google.com | bash
LOWSupply chain · prompt.pipe_to_shell · CWE-829, CWE-1357
README.ko.md:175
curl -sSL https://sdk.cloud.google.com | bash -s -- --disable-prompts --install-dir=$HOME
LOWSupply chain · prompt.pipe_to_shell · CWE-829, CWE-1357
README.md:128
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
LOWSupply chain · prompt.pipe_to_shell · CWE-829, CWE-1357
README.md:168
curl https://sdk.cloud.google.com | bash

Gates applied: no_behavioural_pass.

Audited 2026-10-08 · audit v0.4.1 · source sha dc4fe0213300full audit observations/trust-audit/mcp-server/greensheep01201__stitch-auto.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-08dc4fe0213300CAUTIONB89first audit
06

Questions

What is the Stitch Auto MCP server?

Automated installer for Stitch MCP - The easiest way to set up your Universal MCP server for Google Stitch.

What tools does Stitch Auto expose?

33 in total: 29 read-only, 3 that write, and 1 that can delete or overwrite (clear_workspace_project). Every one is listed on this page with its risk.

Is Stitch Auto safe to connect to an agent?

With care. The audit graded it B (89/100) and found 10 things worth knowing before you trust this server, listed below with the exact line each was found on. Separately from the audit: 1 of its tools can destroy data, so scope the token you give it to what you actually need.

What credentials does Stitch Auto need?

No credential environment variables were found in its source, so it appears to need none.

How does Stitch Auto run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as stitch-mcp-auto at 1.2.2.

How current is this page?

The grade is for one exact copy of the source (dc4fe0213300), read on 2026-10-08. The repository is watched and re-audited when it changes.

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