Postman MCP Server

Item: Postman MCP Server
Rating: 63
Author: M8ven

An MCP server that provides access to Postman.

→ delano/postman-mcp-server · listed on mcp_so

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// key findings

🚨

Secret credentials may flow to a network call

2 flows detected: POSTMAN_API_KEY. We can’t prove the destination matches the brand the credential belongs to.

⚠️

Known vulnerabilities in dependencies: 16 high

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

🔐

You'll be asked for 1 credential: POSTMAN_API_KEY

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

// known CVEs in dependencies16 high12 low

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

high@modelcontextprotocol/sdk@0.6.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.6.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highaxios@1.7.9GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.7.9GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.7.9GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

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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.

🔐 secretPOSTMAN_API_KEY— Add the key to your environment as

configPOSTMAN_RATE_LIMIT_MAX

configPOSTMAN_RATE_LIMIT_WINDOW

// 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 2 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/delano-postman-mcp-server-1h58rn)](https://m8ven.ai/mcp/delano-postman-mcp-server-1h58rn)

commit: d29c2df5dedbb4f3384ebc0a71e8d256e04671a2

code hash: 950d8466a88dcee00871d5a56b9e0bca1436ee5696e7f4c41adaf90aff92a83f

verified: 6/16/2026, 12:21:15 PM

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