Argus Decision MCP

Odysseus bound himself before the Sirens sang. Argus binds a decision to its premises and return condition before fluency - or hindsight - can rewrite them. It runs locally over stdio via the published package.

People connecting security tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-22 · ★ 2 · #16 OF 182 MAINTAINED SECURITY · VERIFIED 2026-08-25

NOASSERTION · TypeScript servers · how we verify → /methodology

01 · Install Argus Decision MCP

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add commet-argus -- npx -y argus-decision-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "commet-argus": {
      "command": "npx",
      "args": [
        "-y",
        "argus-decision-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license no standard license detected - usage rights unclear; check the repo before commercial use

npm package argus-decision-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.commet is GitHub-verified and matches the repo owner

03 · Who maintains Argus Decision MCP

argus-decision-mcp is maintained by commet. It's the only MCP server we track from this author; the repo dates to Mar 2026.

04 · Facts

repository: github.com/commet/argus
website: https://argus.voyage/
category: security - ranked #16 of 182 actively-maintained security servers as of 2026-08-25.
registry: io.github.commet/argus-decision-mcp (active, first published 2026-07-18 · 34 versions)
packages: npm:argus-decision-mcp

05 · Argus Decision MCP FAQ

What is Argus Decision MCP?

Is Argus Decision MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-22. We re-verify nightly.

How do I install Argus Decision MCP?

Run `npx -y argus-decision-mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Argus Decision MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

06 · Alternatives to Argus Decision MCP

Alternatives to Argus Decision MCP

Maintained security servers if Argus Decision MCP isn't the fit.

Pairs well with

Servers that cover what Argus Decision MCP doesn't - only shown when the pairing reason fits the companion.

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