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PopNx MCPMCP servers for people who use AI · explained in plain words

Phonebook

by stag-buildversion 0.1.13i★ –iRuns on your computer
Registry nameio.github.stag-build/phonebook

Install

Overview

Description from the maker (original English)

Self-hosted gallery of your SwiftUI #Preview and Jetpack Compose @Preview screens.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • The registry lists no key to fill in.

You need

  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "phonebook": {
      "command": "npx",
      "args": [
        "-y",
        "@stag-build/phonebook",
        "mcp"
      ]
    }
  }
}

Run this in your terminal

claude mcp add phonebook -- npx -y @stag-build/phonebook mcp

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "phonebook": {
      "command": "npx",
      "args": [
        "-y",
        "@stag-build/phonebook",
        "mcp"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "phonebook": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@stag-build/phonebook",
        "mcp"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 9, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account stag-build, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

  • More stars than 0% of the other 18676 servers in this category
  • Published to the registry more recently than 69% of the other 18676 servers in this category
  • Basic checks equal to or better than 100% of the other 18676 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Phonebook safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.13) reached the registry 18 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Mcphost

Alternatives

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Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

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by formulahendryEarly↓ 66/wk★ 440Updated 14 months ago

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Remote Desktop Commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

by desktop-commanderGrowing★ 211Updated 4 days ago

Runs in the cloud✓ desktopcommander.app

Mcphost

Hosted MCP runtime where your agent publishes its own tools by tool call and keeps working.

by j0yenEarlyUpdated today

Runs in the cloud✓ mcphost.dev

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

A self-hosted, open-source alternative to Emerge Tools Snapshots: harvest your existing Compose @Preview s and SwiftUI #Preview s into a browsable, static HTML gallery — no SaaS account required.

Phonebook turns screenshots your team already has into a Storybook-style component gallery. No new test code, no design tokens to maintain by hand — it renders what's already in your codebase into a static site designers can open without installing anything. Each repo runs Phonebook independently; v1 is single-platform, so one Android repo (or one iOS repo) produces one bundle and one site.

Features

  • Zero new test code — reuses @Preview / #Preview you've already written
  • No SaaS account — self-hosted, runs entirely in your CI or locally
  • MCP-first — a coding agent can check setup, analyze coverage, add missing previews, and build the gallery for you
  • Smart component grouping — component / state cards inferred from preview names, no required annotation
  • Cross-platform — Android (Roborazzi + ComposablePreviewScanner, runs on the JVM, no emulator) and iOS (SnapshotPreviews, runs on a simulator)
  • Version-aware setup — init/doctor resolve library versions against your project's Kotlin version and catch Kotlin/Roborazzi metadata mismatches before they cause opaque compiler crashes

Demo

A gallery generated from samples/ios — component / state cards grouped from the app's own #Previews, no extra annotation.

[Browse the live gallery →](https://stag-build.github.io/phonebook/)

How it works

  1. phonebook generate runs your platform's preview-rendering engine and harvests the output into a bundle (manifest.json + images/).
  1. phonebook build turns that bundle into a static site — by default it writes index.html directly into the bundle directory (reusing the images already there, no copying), so the site lands at /index.html. Pass -o to instead copy everything into a standalone site directory (for publishing elsewhere, or later merging multiple bundles). Plain HTML/CSS/JS, works from file:// or any static host.

Installation

npm

npm install -g @stag-build/phonebook

Homebrew

brew install stag-build/phonebook/phonebook

Or tap first, then install:

brew tap stag-build/phonebook

brew install phonebook

Formula source: stag-build/homebrew-phonebook.

No install (npx)

npx @stag-build/phonebook <cmd>

Using it with a coding agent (recommended)

Most people won't run the CLI directly — Phonebook is built to be driven by a coding agent (Claude Code, Codex, etc.) through its MCP server. The agent adds previews, runs setup checks, and generates the gallery for you; the CLI underneath is the engine it calls.

The server runs via npx @stag-build/phonebook mcp — no install step needed. Pick your client below.

Claude Code

claude mcp add phonebook -- npx -y @stag-build/phonebook mcp

Codex CLI

Add to ~/.codex/config.toml:

[mcp_servers.phonebook]

command = "npx" args = ["-y", "@stag-build/phonebook", "mcp"]

Claude Desktop

Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json on macOS):

{

"mcpServers": { "phonebook": { "command": "npx", "args": ["-y", "@stag-build/phonebook", "mcp"] } } }

Cursor

Add to .cursor/mcp.json (project) or ~/.cursor/mcp.json (global):

{

"mcpServers": { "phonebook": { "command": "npx", "args": ["-y", "@stag-build/phonebook", "mcp"] } } }

Xcode (Codex Agent) — Xcode 26.3+

Add to .codex/config.toml at your project's workspace root. Xcode's agent runs with a minimal PATH, so the command wraps npx in a shell that adds the usual Homebrew/nvm locations first:

[mcp_servers.phonebook]

command = "/bin/zsh" args = [ "-lc", "PATH=/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin; npx -y @stag-build/phonebook mcp" ] enabled = true

Xcode (Claude Code Agent) — Xcode 26.3+

Add the mcpServers block to ~/Library/Developer/Xcode/CodingAssistant/ClaudeAgentConfig/.claude.json:

{

"mcpServers": { "phonebook": { "command": "/bin/zsh", "args": [ "-lc", "PATH=/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin; npx -y @stag-build/phonebook mcp" ] } } }

Android Studio (Gemini Agent Mode): not supported yet — its MCP integration only connects to remote httpUrl servers, not local stdio processes like Phonebook's. Use one of the terminal-based clients above (Claude Code, Codex CLI) from the Android repo instead.

Then, from a chat in your Android or iOS repo, just ask:

"Use the phonebook MCP and create a catalog for my designer."

The agent figures out the rest — checking setup, filling in missing previews, generating, and building the site. For more targeted asks, it also exposes: check_setup (setup diagnosis, same as phonebook doctor), analyze_coverage (components missing previews or dark variants), get_preview_guidance, run_generate, and run_build.

Quickstart: Android

Run phonebook init first — it detects your project's Kotlin version and prints these instructions with library versions resolved to be compatible with it (e.g. Kotlin 2.0 projects get Roborazzi 1.60.0; Kotlin 2.2+ gets the latest). The versions below are what a current-Kotlin project gets (see samples/android/app/build.gradle.kts for a full working example):

// app/build.gradle.kts

plugins { id("io.github.takahirom.roborazzi") // root build.gradle.kts: version "1.72.0" apply false }

roborazzi { generateComposePreviewRobolectricTests { enable = true packages = listOf("dev.stag.phonebook.sample") // your app's package } }

dependencies { testImplementation("org.robolectric:robolectric:4.14.1") testImplementation("io.github.takahirom.roborazzi:roborazzi:1.72.0") testImplementation("io.github.takahirom.roborazzi:roborazzi-compose:1.72.0") testImplementation("io.github.sergio-sastre.ComposablePreviewScanner:android:0.9.3") testImplementation("io.github.takahirom.roborazzi:roborazzi-compose-preview-scanner-support:1.72.0") testImplementation("androidx.compose.ui:ui-test-junit4") // version from your Compose BOM, or pin one }

Add a phonebook.config.json next to settings.gradle.kts:

{

"appName": "My Android App", "platform": "android", "android": { "modules": [":app"], "variant": "debug" } }

Then, from the repo containing Phonebook:

npx @stag-build/phonebook generate -C /path/to/your/android/repo

npx @stag-build/phonebook build -C /path/to/your/android/repo

Open phonebook-out/index.html.

generate --changed (or --files A.kt,B.kt) renders only the previews declared in those files, with no extra setup. For that run only, Phonebook passes Gradle an init script that swaps in a preview tester which keeps the requested previews and scans only their packages. Both files are written under build/phonebook/, never into your sources. If your project configures its own testerQualifiedClassName, yours wins and the run renders every preview in the module.

Quickstart: iOS

Add the SnapshotPreviews SPM package to your project and a small XCTest target that subclasses SnapshotTest (see samples/ios for a full working example):

// PhonebookSnapshotTests.swift

import Foundation import SnapshottingTests

final class PhonebookSnapshotTests: SnapshotTest { override class func snapshotPreviews() -> [String]? { guard let raw = ProcessInfo.processInfo.environment["SNAPSHOTS_ONLY_FILTER"], !raw.isEmpty else { return nil // record every #Preview } return raw.components(separatedBy: "\n") } }

Reading SNAPSHOTS_ONLY_FILTER is what lets phonebook generate --changed (or --files A.swift,B.swift) render only the previews in the files you just edited; with the variable unset, every #Preview is recorded as before.

Add phonebook.config.json next to your .xcodeproj:

{

"appName": "My iOS App", "platform": "ios", "ios": { "project": "MyApp.xcodeproj", "scheme": "MyApp", "simulator": "iPhone 17 Pro" } }

Your scheme must build and test the snapshot test target (see PhonebookSample.xcscheme in the sample). Then:

npx @stag-build/phonebook generate -C /path/to/your/ios/repo

npx @stag-build/phonebook build -C /path/to/your/ios/repo

Open phonebook-out/index.html.

Naming convention

Phonebook groups screenshots into component / state cards from your existing preview names — no required annotation. See docs/naming-convention.md for the full rules and examples.

Configuration

phonebook.config.json:

KeyTypeDefaultNotes
appNamestring—Required. Shown in the gallery header.
platform"android" \"ios"—Required.
outputstring"phonebook-out"Bundle output directory, relative to the config file.
android.modulesstring[][":app"]Gradle modules to record.
android.variantstring"debug"Build variant; Phonebook runs :recordRoborazzi .
ios.projectstring—Path to .xcodeproj, relative to the config file. One of project/workspace required.
ios.workspacestring—Path to .xcworkspace, relative to the config file.
ios.schemestring—Required. Scheme that includes the SnapshotPreviews test target.
ios.simulatorstring"iPhone 17 Pro"Simulator device name used for -destination.
ios.onlyTestingstringauto-detected-only-testing: filter so generate runs just the snapshot class, not the app's whole test suite. Auto-derived from the SnapshotTest subclass; set "" to run everything.

Android previews render like Android Studio: a @Preview without its own size wraps its content, and full-screen (fillMaxSize) content fills the Robolectric screen, which Roborazzi defaults to a Pixel 4a. Setting robolectricConfig in the generateComposePreviewRobolectricTests block replaces that default, so include "qualifiers" to "RobolectricDeviceQualifiers.Pixel4a" (or `"\"w411dp-h891d

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