OpenAPI MCP Server

A generic MCP server that dynamically exposes any OpenAPI-documented REST API to LLMs by auto-discovering endpoints. It provides tools for exploring API capabilities and making authenticated requests directly through natural language interfaces.

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical, 2 high

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

🔐

You'll be asked for 2 credentials: API_BEARER_TOKEN, API_KEY

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

// known CVEs in dependencies2 critical2 high1 low

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

criticalvitest@1.6.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@1.6.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.6.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.6.1GHSA-w48q-cv73-mx4w

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

lowyaml@2.3.4GHSA-48c2-rrv3-qjmp

yaml is vulnerable to Stack Overflow via deeply nested YAML collections

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.

configAPI_AUTH_TYPE— Authentication type: none, apiKey, bearer none

configAPI_BASE_URL— Base URL of the API https://api.example.com

🔐 secretAPI_BEARER_TOKEN— Bearer token (when API_AUTH_TYPE=bearer) -

configAPI_CACHE_DIR

configAPI_CACHE_TTL_MS— OpenAPI spec cache TTL 3600000 (1 hour)

🔐 secretAPI_KEY— API key (when API_AUTH_TYPE=apiKey) -

configAPI_KEY_HEADER— Header name for API key X-API-Key

configAPI_MAX_RETRIES

configAPI_OPENAPI_PATH— Path to OpenAPI spec /openapi.yaml

configAPI_RETRY_ON_429

configAPI_TIMEOUT_MS— Request timeout in milliseconds 30000

// 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 5 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/cloudwarriors-ai-openapi-mcp-server-11hkqz)](https://m8ven.ai/mcp/cloudwarriors-ai-openapi-mcp-server-11hkqz)

commit: 064cdbe7afb109bb1fa8224f49f95d1a5cec8a9b

code hash: 815e3171edc23b9847dae93881d4810be9cd225d44245a857d586420befec371

verified: 6/12/2026, 10:52:39 AM

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