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Aggregators and gateways · MCP server

Node9: MCP server, setup and security

Node9 is an open-source MCP server that lets an AI agent allow, block or hold individual tool calls for approval. Its repository has 219 stars and its last commit is from October 24, 2026 and it is licensed under Apache-2.0.

Actively maintained

What Node9 does

According to its repository: “Access control for AI agents and MCP servers: allow, hold for approval, or block each tool call”

An MCP server gives an AI agent extra tools it calls during the conversation: the agent reads their description, decides to use them and gets the result back. Node9 is listed under Aggregators and gateways, a category of 141 servers in the directory, where it ranks #39 by stars.

Topics declared by the repository: ai-safety, ai-security, claude-code, llm-agent, agent-security, dlp.

Installing and connecting Node9

Distribution modes declared in the official MCP registry:

  • npm package (Node.js, usually started with npx)

Like any MCP server, you declare it in your client's configuration (Claude Desktop, Claude Code, Cursor, VS Code, Codex…): a name, the command that starts it or its URL, and any environment variables. The client then starts it and lists its tools. Project language: TypeScript.

Security: what to check

An MCP server runs code with the rights you give it, and the model reads its tool descriptions: a malicious or compromised server can hijack the agent. Read the code, or pick a maintained and widely used server, before connecting it.

None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to Node9. That does not replace reading the code.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on February 27, 2026, the node9-ai/node9-proxy repository has 219 stars and 21 forks, with 0 open issues. It has more stars than 79% of the servers in the directory. It received changes this month. Version published in the registry: 2.26.2 (September 29, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

PaperclipPaperclip : 106.8K106.8KOpenWork MCP GatewayOpenWork MCP Gateway : 24.2K24.2KGitDiagramGitDiagram : 18.4K18.4KAIHOTAIHOT : 8.5K8.5KBasebalance.cloud — x402 RPCBasebalance.cloud — x402 RPC : 7.5K7.5KTreg.toTreg.to : 6K6KMockserver monorepoMockserver monorepo : 5K5KDBHubDBHub : 3.7K3.7KNode9Node9 : 219219
GitHub stars of the most followed servers in the category (log scale); Node9 in orange. Checked October 25, 2026.

Verdict

Node9 is a reasonable choice; check the points below before connecting it.

Strengths

  • Active project: recent commit
  • Widely followed: 219 stars
  • Listed in the official MCP registry
  • Permissive licence (Apache-2.0)

Frequently asked questions

How do I install Node9?

Node9 is distributed as npm package (Node.js, usually started with npx). Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of node9-ai/node9-proxy.

Is Node9 free?

The code is published under the Apache-2.0 licence and can be used free of charge.

Is Node9 safe?

No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.

Is it an official server?

Nothing says so: it is a project published by node9-ai on GitHub. Check who maintains it before giving it access.

What are the alternatives to Node9?

In the same category: GitDiagram, Mockserver monorepo, Paperclip, and Basebalance.cloud — x402 RPC & MCP gateway. GitDiagram and Mockserver monorepo score higher on our grid.

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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score