← Back to directory
COMPARE UP TO 4 SERVERS

Compare MCP servers

Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionMCP AppiumAppium MCP server for iOS and Android mobile automationNPM Sentinel MCP ServerAI-powered NPM package analysis MCP server
FMRS57 / 100 · C79 / 100 · B
Reliability9 / 2012 / 20
Security and permissions12 / 2016 / 20
Maintenance11 / 2018 / 20
Documentation14 / 2018 / 20
Setup experience11 / 2015 / 20
Best for
  • Teams doing Android/iOS automation testing with Appium
  • Developers who want to create and debug mobile tests in natural language
  • Engineering teams that need generated test code and Page Object templates
  • Teams running mobile automation in trusted CI environments
  • Developers auditing NPM dependencies within AI workflows
  • Teams performing supply chain security assessments
  • Users of Claude Desktop, Cursor, or VS Code
Not for
  • Shared or multi-tenant services exposed to untrusted users
  • Environments without Android SDK, Xcode, or a Java toolchain
  • Pure browser or desktop web automation instead of mobile
  • Projects outside the NPM ecosystem (e.g., pure Python/Go)
  • Environments without network access to deps.dev, OSV.dev, and the npm registry
  • Scenarios requiring maintenance by an official upstream vendor
Required permissions
  • Read access to the local Android SDK and Xcode/simulator setup
  • Access to local mobile devices or emulators through adb or simulator tooling
  • Read/write access to the screenshots and recordings directory (SCREENSHOTS_DIR or the system temp directory)
  • Optional: network access to a remote Appium/WebDriver server (remoteServerUrl)
  • Optional: outbound calls to an external vision model API (AI_VISION_API_BASE_URL and AI_VISION_API_KEY)
  • Network access to the NPM registry and external services (deps.dev, OSV.dev, OpenSSF, npms.io, GitHub)
  • Read access to workspace lockfiles (pnpm-lock.yaml, package-lock., yarn.lock) for cache invalidation
Risks and side effects
  • remoteServerUrl is caller-controlled; if it is derived from untrusted input it can reach unintended servers, so restrict destinations with REMOTE_SERVER_URL_ALLOW_REGEX
  • By default the server deletes all MCP-owned Appium sessions when the MCP client disconnects, and transports that drop easily such as httpStream can tear down automation in one go; use APPIUM_MCP_ON_CLIENT_DISCONNECT=skip to keep them
  • Enabling vision element finding sends screenshots to a third-party vision API, which can incur cost and data exposure
  • Persisted session files may contain credentials and sensitive capabilities (created with 0600 permissions)
  • Plugins execute inside the server process, so only trusted files and packages should be loaded
  • Third-party READMEs and changelogs are untrusted external content; they are wrapped in tags with _meta flags but should still be handled cautiously
  • Depends on availability and accuracy of external services
  • Batch requests are capped at 25 packages to prevent registry enumeration; larger sets require batching
  • Third-party open source project, not officially maintained by NPM or Anthropic
Supported clientsCursor, Claude Code, Gemini CLIClaude Desktop, VS Code, Cursor
Tools2019