Cruxible Core

io.github.cruxible-ai/cruxible-core · v0.1.2

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

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add cruxible-core -e CRUXIBLE_MODE=<CRUXIBLE_MODE> -e CRUXIBLE_ALLOWED_ROOTS=<CRUXIBLE_ALLOWED_ROOTS> -- uvx cruxible-core==0.1.2

claude_desktop_config.json

{
  "mcpServers": {
    "cruxible-core": {
      "command": "uvx",
      "args": [
        "cruxible-core==0.1.2"
      ],
      "env": {
        "CRUXIBLE_MODE": "<CRUXIBLE_MODE>",
        "CRUXIBLE_ALLOWED_ROOTS": "<CRUXIBLE_ALLOWED_ROOTS>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "cruxible-core": {
      "command": "uvx",
      "args": [
        "cruxible-core==0.1.2"
      ],
      "env": {
        "CRUXIBLE_MODE": "<CRUXIBLE_MODE>",
        "CRUXIBLE_ALLOWED_ROOTS": "<CRUXIBLE_ALLOWED_ROOTS>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cruxible-core": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cruxible-core==0.1.2"
      ],
      "env": {
        "CRUXIBLE_MODE": "<CRUXIBLE_MODE>",
        "CRUXIBLE_ALLOWED_ROOTS": "<CRUXIBLE_ALLOWED_ROOTS>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`CRUXIBLE_MODE` Optional	Permission mode: admin (default), graph_write, or read_only
`CRUXIBLE_ALLOWED_ROOTS` Optional	Comma-separated absolute paths restricting which directories cruxible_init can access

Details

Package	`[email protected]` (PYPI, stdio)
First published	6 Mar 2026
Last updated	6 Mar 2026
Registry name	`io.github.cruxible-ai/cruxible-core`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

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