Expo MCP Server

Item: Expo MCP Server
Rating: 72
Author: M8ven

Enables automated testing and development of Expo/React Native apps through session-based Expo dev server management and Maestro UI automation tools for tapping, text input, screenshots, and flow execution.

→ DaveDev42/expo-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// known CVEs in dependencies2 high1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.25.2GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

highws@8.18.3GHSA-96hv-2xvq-fx4p

ws: Memory exhaustion DoS from tiny fragments and data chunks

lowws@8.18.3GHSA-58qx-3vcg-4xpx

ws: Uninitialized memory disclosure

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configANDROID_HOME

configESSENTIAL_TOOLS— Comma-separated list of tools to expose (--tools takes precedence) All tools

configEXCLUDE_TOOLS— Comma-separated list of tools to exclude (--exclude-tools takes precedence) None

configEXPO_APP_DIR— Path to Expo app directory (CLI positional arg takes precedence) Current working directory

configLOG_BUFFER_SIZE— Max log lines to keep in memory 400

configMAESTRO_CLI_PATH— Path to Maestro CLI ~/.maestro/bin/maestro

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/davedev42-expo-mcp-pc06dj)](https://m8ven.ai/mcp/davedev42-expo-mcp-pc06dj)

commit: aa5188533b6157e65ae7b875f5d5730d2ffc87d9

code hash: 5a3574a55d8131199d1c70f118a1085e5590916ff8f5527c92d298cb1dac4beb

verified: 6/18/2026, 10:42:58 AM

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