Is Cruxible Core free?

Yes, Cruxible Core is free to use.

How do I install Cruxible Core?

Cruxible Core is a local plugin. Install it using PyPI package: cruxible-core and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Cruxible Core need?

Cruxible Core requires the following credentials or environment variables: CRUXIBLE_MODE, CRUXIBLE_ALLOWED_ROOTS. You can find setup instructions on the server detail page.

What AI apps work with Cruxible Core?

Cruxible Core 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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Cruxible Core MCP Server

by Cruxible Ai

Developer ToolsLow Risk9.5MCP RegistryLocal

Free

Server data from the Official MCP Registry

Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.

About

Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.

Security Report

9.5

Low Risk9.5Low Risk

Valid MCP server (1 strong, 1 medium validity signals). 1 known CVE in dependencies Package registry verified. Imported from the Official MCP Registry.

5 files analyzed · 2 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.

file_system

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

What You'll Need

Set these up before or after installing:

Permission mode: admin (default), graph_write, or read_onlyOptional

Environment variable: CRUXIBLE_MODE

Comma-separated absolute paths restricting which directories cruxible_init can accessOptional

Environment variable: CRUXIBLE_ALLOWED_ROOTS

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-cruxible-ai-cruxible-core": {
      "env": {
        "CRUXIBLE_MODE": "your-cruxible-mode-here",
        "CRUXIBLE_ALLOWED_ROOTS": "your-cruxible-allowed-roots-here"
      },
      "args": [
        "cruxible-core"
      ],
      "command": "uvx"
    }
  }
}

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Cruxible Core MCP Server

About

Security Report

Findings (2)

Permissions Required

What You'll Need

How to Install

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