How do I install Argus?

Argus is a local plugin. Install it using npm package: argus-decision-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

Is Argus safe to use?

Argus was flagged by MCP Marketplace's security scan, scoring 4.2/10 (high risk). It has 2 high or critical findings to review. Review the security report on this page carefully before installing it.

What credentials does Argus need?

Argus requires the following credentials or environment variables: ARGUS_DIR, ARGUS_TOKEN, ARGUS_TZ. You can find setup instructions on the server detail page.

What AI apps work with Argus?

Argus uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Argus MCP Server

by Commet

Developer ToolsUse Caution4.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

Save a falsifiable prediction, then record what reality did. Reality grades you, not the model.

About

Save a falsifiable prediction, then record what reality did. Reality grades you, not the model.

Security Report

4.2

Use Caution4.2High Risk

This is a Next.js application with an MCP server component (argus-mcp). The MCP server has well-structured TypeScript code with appropriate dependency management and no evidence of malicious patterns. Permissions are appropriate for a developer tool that handles decision documentation and file uploads. Minor code quality issues and moderate logging density are the primary findings; no critical security vulnerabilities detected. Supply chain analysis found 5 known vulnerabilities in dependencies (0 critical, 1 high severity). Package verification found 1 issue (1 critical, 0 high severity).

4 files analyzed · 13 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

env_vars

Check that this permission is expected for this type of plugin.

HTTP Network Access

Connects to external APIs or services over the internet.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

process_spawn

Check that this permission is expected for this type of plugin.

system_info

Check that this permission is expected for this type of plugin.

Unverified package source

We couldn't verify that the installable package matches the reviewed source code. Proceed with caution.

What You'll Need

Set these up before or after installing:

Directory for the append-only ledger (.argus). Set once and every tool falls back to it. Claude Code expands ${CLAUDE_PROJECT_DIR}; on other hosts use an absolute path.Optional

Environment variable: ARGUS_DIR

Optional Argus account token. Set it and saved predictions sync so Argus can email you at the check-by date. Unset = fully local, no network.Required

Environment variable: ARGUS_TOKEN

Timezone that decides when a check-by date becomes today (e.g. Asia/Seoul). Unset = your machine's local timezone.Optional

Environment variable: ARGUS_TZ

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-commet-argus-decision-mcp": {
      "env": {
        "ARGUS_TZ": "your-argus-tz-here",
        "ARGUS_DIR": "your-argus-dir-here",
        "ARGUS_TOKEN": "your-argus-token-here"
      },
      "args": [
        "-y",
        "argus"
      ],
      "command": "npx"
    }
  }
}

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Argus MCP Server

About

Security Report

Findings (13)Action required

Permissions Required

What You'll Need

How to Install

Reviews

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