How do I install Cruxible Core?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Cruxible Core need an API key?

The publisher lists these environment variables: CRUXIBLE_MODE, CRUXIBLE_ALLOWED_ROOTS.

What transport does Cruxible Core use?

Cruxible Core runs locally over stdio.

When was Cruxible Core last checked?

Last checked 2026-11-09. Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.

Cruxible Core MCP server

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Add to Cursor Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Local command

uvx cruxible-core==0.1.2

Credentials from the publisher

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

Claude Code has no install link for a local command. Copy the command below and run it in a terminal.

shClaude Code

1CRUXIBLE_MODE=<value> CRUXIBLE_ALLOWED_ROOTS=<value> claude mcp add io.github.cruxible-ai-cruxible-core -- uvx cruxible-core==0.1.2

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.cruxible-ai-cruxible-core": {4      "command": "uvx",5      "args": [6        "cruxible-core==0.1.2"7      ],8      "env": {9        "CRUXIBLE_MODE": "<value>",10        "CRUXIBLE_ALLOWED_ROOTS": "<value>"11      }12    }13  }14}

claude_desktop_config.json

Local · pypiPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
Version: 0.1.2
API key

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Cruxible Core

Add this server

Host a copy with our keys and logs.

Server facts

Tools

Questions

How do I install Cruxible Core?

Does Cruxible Core need an API key?

What transport does Cruxible Core use?

When was Cruxible Core last checked?

Documentation