MCP Inspector✓ Official

Visual testing tool for MCP servers

→ modelcontextprotocol/inspector · listed on mcp_so

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 1 high

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

🔐

You'll be asked for 1 credential: MCP_PROXY_AUTH_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies1 critical1 high

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

criticalshell-quote@1.8.3GHSA-w7jw-789q-3m8p

shell-quote quote() does not escape newlines in object .op values

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

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

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

configALLOWED_ORIGINS

configCLIENT_PORT— 8080 SERVER_PORT=9000 npx @modelcontextprotocol/inspector node build/index.js

configDANGEROUSLY_OMIT_AUTH— If you need to disable authentication (NOT RECOMMENDED), you can set the environment variable:

configHOST— e =0.0.0.0 \

configINSPECTOR_URL

configMCP_AUTO_OPEN_ENABLED— e =false \

configMCP_ENV_VARS

🔐 secretMCP_PROXY_AUTH_TOKEN— You can also set the token via the environment variable when starting the server:

configSERVER_PORT— CLIENT_PORT=8080 =9000 npx @modelcontextprotocol/inspector node build/index.js

// 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 1 concrete improvement 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/modelcontextprotocol-inspector-1s6983)](https://m8ven.ai/mcp/modelcontextprotocol-inspector-1s6983)

commit: 638f2bfa5b90f790e89dfb0a2c48feef7af226e4

code hash: d300c924090de0a1b4f39dee63ad685aeddc314ee71f15e88c213c90a475726b

verified: 6/16/2026, 1:09:31 PM

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