Which integrations are available for this server?

Provides tools for Android device automation via ADB, including device inspection, app management, UI interaction, screenshots, logcat, and workflow execution.

How do I use DevLab MCP Suite?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@DevLab MCP Suite open browser, navigate to game, and capture canvas screenshot" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

DevLab MCP Suite

by Tanguito86

Overview Schema Related Servers Score Discussions

TypeScript

Local

DevLab MCP Suite

Modular testing and automation MCP servers for Android devices, desktop browsers, canvas games, and visual regression.

DevLab MCP Suite
├── @tanguito/android-dev-mcp        ← Android device automation (ADB)
├── @tanguito/browser-dev-mcp        ← Desktop browser automation (Playwright)
├── @tanguito/visual-regression-mcp  ← Visual regression & pixel diff
└── @tanguito/devlab-shared          ← Shared contracts and helpers

The Testing Triangle

             ┌──────────────────────┐
             │   visual-regression   │  ← pixel-perfect diffs
             │   screenshot compare  │
             └──────────┬───────────┘
                        │
         ┌──────────────┴──────────────┐
         │                             │
  ┌──────┴──────┐              ┌───────┴──────┐
  │  android     │              │   browser     │
  │  device tests│              │   canvas/web  │
  └──────────────┘              └──────────────┘

browser-dev-mcp screenshot  →  visual-regression-mcp diff  →  markdown report

Three independent testing layers, same tool patterns, same evidence system, single monorepo.

5-Minute Quick Start

# 1. Clone and install
git clone https://github.com/Tanguito86/devlab-mcp.git
cd devlab-mcp
pnpm install

# 2. Environment check + auto-fix
pnpm setup

# 3. Build and test
pnpm build
pnpm test          # 67 tests: 42 android + 8 browser + 8 visual + 9 shared

# 4. Your first browser workflow
node examples/browser-hello-world/run-hello-world.js

You just ran a 5-step browser workflow: open → screenshot → console → errors → report. Takes ~5 seconds.

Package Table

Package	Purpose	Version	Tests	npm	Status
`@tanguito/devlab-shared`	Types, schemas, helpers	0.1.0	9	`@tanguito/devlab-shared`	Pending publish
`@tanguito/android-dev-mcp`	Device automation (ADB)	1.2.0	42	`@tanguito/android-dev-mcp`	✅ Published
`@tanguito/browser-dev-mcp`	Browser/canvas (Playwright)	1.0.0	8	`@tanguito/browser-dev-mcp`	Pending publish
`@tanguito/visual-regression-mcp`	Screenshot diffing	0.1.0	8	`@tanguito/visual-regression-mcp`	Pending publish

Total: 67 tests | 70 tools | 4 packages

Publishing: android-dev-mcp is already on npm. shared, browser, and visual-regression are ready. See publishing guide for exact commands.

Case Study: Galaxy Raiders

We validated browser-dev-mcp and visual-regression-mcp against a real 68-script HTML5 Canvas shmup with 5 bosses across 20 levels.

Browser Testing

Metric	Result
Workflows executed	4 (smoke, boss ladder, performance, console audit)
Total steps	81/81 (100%)
Page errors	0 across all workflows
Bosses validated	5/5 (Crabtron, Serpentrix, Colossus, Lieutenant, Emperor)
Screenshots	13 real rendered canvas captures
Leak test	3/3 consecutive cycles clean

Visual Regression

boss-lv5:   81 kB, 360×640, 0 changed pixels, ✅ PASS
boss-lv20:  90 kB, 360×640, 0 changed pixels, ✅ PASS

Pipeline: browser-dev-mcp captures canvas screenshots → visual-regression-mcp diffs against baselines → markdown report with pass/fail.

Read the full case study →

Packages

browser-dev-mcp

Desktop browser automation via Playwright. 24 tools for navigation, screenshots, canvas game testing, JavaScript evaluation, keyboard/mouse input, and evidence capture.

pnpm --filter @tanguito/browser-dev-mcp build
pnpm --filter @tanguito/browser-dev-mcp test
pnpm --filter @tanguito/browser-dev-mcp run doctor

Key tools: browser_open_url, browser_screenshot, browser_screenshot_canvas, browser_click, browser_click_percent, browser_press_key, browser_type_text, browser_evaluate_js, browser_evaluate_game_state, browser_wait_for_canvas_change, browser_get_console_logs, browser_get_page_errors, and 12 more.

Full README →

visual-regression-mcp

Visual regression testing — pixel comparison, diff generation, markdown reporting. 4 tools: visual_compare_images, visual_create_baseline, visual_compare_folder, visual_generate_report. Zero native dependencies — pure Node.js PNG parsing with zlib.

pnpm --filter @tanguito/visual-regression-mcp build
pnpm --filter @tanguito/visual-regression-mcp test
pnpm --filter @tanguito/visual-regression-mcp run doctor

Full README →

android-dev-mcp

Android device automation via ADB. 42 tools for device inspection, app management, UI interaction, screenshots, logcat, and workflow execution.

pnpm --filter @tanguito/android-dev-mcp build
pnpm --filter @tanguito/android-dev-mcp test

Full README →

devlab-shared

Minimal shared contracts: textResponse, sanitizeName, validateSessionId, RegisterTool, WorkflowStep, StepResult, and base evidence types. Zero IO, zero runtime dependencies. 9 tests, full doctor check. 107 lines.

pnpm --filter @tanguito/devlab-shared build
pnpm --filter @tanguito/devlab-shared test
pnpm --filter @tanguito/devlab-shared run doctor

Full README →

Examples

Example	Time	What it does
browser-hello-world	~5s	Opens test page, takes screenshot, collects console/errors
galaxy-raiders	~15s	Loads Galaxy Raiders, starts game, captures canvas, jumps to boss
galaxy-visual-regression	~2s	Pixel-diff Galaxy Raiders boss screenshots against baselines

# Hello World
node examples/browser-hello-world/run-hello-world.js

# Galaxy Raiders (requires game running on localhost:5173)
node examples/galaxy-raiders/run-galaxy-smoke.js

Scripts

Command	Description
`pnpm setup`	Detect environment, auto-install Chromium, suggest fixes
`pnpm build`	Build all packages
`pnpm test`	Run all 67 tests
`pnpm doctor`	Health checks per package (use `pnpm --filter <pkg> run doctor`)
`pnpm typecheck`	TypeScript type checking
`pnpm clean`	Remove dist/ from all packages
`pnpm pack:dry-run`	Preview npm package contents
`pnpm changeset`	Create a version changeset
`pnpm changeset:version`	Bump versions from changesets
`pnpm changeset:publish`	Publish changed packages to npm

Troubleshooting

"Browser not open" on WSL

WSL's headless Chromium shell is missing shared libraries. browser-dev-mcp automatically uses the full Chromium binary if PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH is set.

# Find your Chromium binary
ls ~/.cache/ms-playwright/chromium-*/chrome-linux64/chrome

# Set the env var
export PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH=/home/user/.cache/ms-playwright/chromium-1223/chrome-linux64/chrome

Run pnpm setup — it detects WSL and suggests the fix automatically.

Playwright not found

pnpm setup       # Auto-detects and suggests fixes
npx playwright install chromium   # Manual install

ADB not found (android-dev-mcp only)

ADB is optional — only needed for @tanguito/android-dev-mcp.

# Install Android SDK Platform Tools
# https://developer.android.com/tools/releases/platform-tools

Repository Structure

devlab-mcp/
  pnpm-workspace.yaml
  package.json              # Root scripts + pnpm setup
  .changeset/               # Changesets configuration
  .github/workflows/ci.yml  # CI matrix (Node 20/22)
  scripts/
    devlab-setup.js         # Environment detector + auto-fixer
  packages/
    shared/                    # @tanguito/devlab-shared (107 lines)
    android-dev-mcp/           # @tanguito/android-dev-mcp (42 tools)
    browser-dev-mcp/           # @tanguito/browser-dev-mcp (24 tools)
    visual-regression-mcp/     # @tanguito/visual-regression-mcp (4 tools)
  examples/
    browser-hello-world/       # 5-step first workflow
    galaxy-raiders/            # Real canvas game smoke test
    galaxy-visual-regression/  # Pixel-diff boss screenshots
  docs/
    devlab-suite-v1-freeze.md      # v1 freeze document
    architecture.md                # Suite architecture decisions
    case-study-galaxy-raiders.md   # Full Galaxy Raiders validation
    publishing.md                  # How to version and publish

Architecture

Monorepo with pnpm workspaces — shared iteration, single CI
Independent packages — each installable, runnable, testable in isolation
Shared is minimal — 107 lines of pure contracts, zero runtime coupling
Changesets for independent versioning within the monorepo
Workflow-first — declarative JSON test plans executed by MCP servers

Full architecture → Freeze document →

License

MIT — see individual package LICENSE files.

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