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mcp_so

PubNub Model Context Protocol (MCP) Server for Cursor IDE

PubNub MCP Model Context Protocol Server for use in Cursor, Windsurf, Claude Desktop, Claude Code and OpenAI Codex and more!

→ pubnub/pubnub-mcp-server· listed on mcp_so
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// key findings
🚨
Known vulnerabilities in dependencies: 1 critical, 4 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 3 credentials: OAUTH_CLIENT_SECRET, OPENAI_API_KEY, PUBNUB_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 critical4 high

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

criticalvitest@4.0.6GHSA-5xrq-8626-4rwp

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

high@modelcontextprotocol/sdk@1.23.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.23.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.23.0GHSA-w48q-cv73-mx4w

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

highrollup@4.50.0GHSA-mw96-cpmx-2vgc

Rollup 4 has Arbitrary File Write via Path Traversal

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.
configADMIN_API_RESOURCE_URL— Admin API resource identifier When OAuth enabled
configADMIN_API_V2_URL— Override Admin API v2 endpoint No
configLOG_LEVEL
configLOG_PRETTY
configMCP_CLOUD_MODE— Cloud deployment mode No
configMCP_MODE
configMCP_OAUTH_ENABLED— Enable OAuth authentication Yes (for production)
configMCP_RESOURCE_URL— MCP resource URL When OAuth enabled
configMCP_SESSION_SUPPORT— Enable session persistence No
configMCP_SUBSCRIBE_ANALYTICS_DISABLED
configOAUTH_CLIENT_ID— OAuth client ID When OAuth enabled
🔐 secretOAUTH_CLIENT_SECRET— OAuth client secret When OAuth enabled
configOAUTH_ISSUER— OAuth authorization server URL When OAuth enabled
🔐 secretOPENAI_API_KEY
configOPENAI_MODEL
configPORT— HTTP server port (default: 3000) No
🔐 secretPUBNUB_API_KEY— claude mcp add pubnub --env =<your-api-key> --scope user --transport stdio -- npx -y @pubnub/mcp@latest
configPUBNUB_ORIGIN— Override PubNub origin No
configROLLUP_WATCH
configSDK_DOCS_API_URL— Override docs API endpoint No
// 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/pubnub-pubnub-mcp-server-km0v7q)](https://m8ven.ai/mcp/pubnub-pubnub-mcp-server-km0v7q)
commit: 898b29653559815edea1a837e19999179cbc6dcb
code hash: 6760566a47e2d7561652bb85cb2347150ea5e898ece720b0055e37396d1ea67d
verified: 6/27/2026, 8:57:22 AM
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