Prior direction, kept rather than deleted. Nobulex is now the independent reliability registry for agent tools: nobulex-registry and nobulex.com. This repository is from the covenant and receipts era of the same name. Nothing below is retracted. It is simply not what is being built now.

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@nobulex/mcp-server

Nobulex MCP compliance server — covenant rule checking, hash-chained audit logs, and integrity verification for any MCP-compatible agent.

Tools

Tool	Description
set_rules	Set covenant rules using permit/forbid/require syntax
check_action	Check if an action is allowed or blocked by current rules
get_audit_log	Return the full hash-chained audit trail
verify_log	Verify integrity of the audit chain (detect tampering)

Rule Syntax

forbid delete_user Users cannot be deleted
permit read_data Safe to read
require approval Must get approval first
forbid admin.* All admin actions blocked
forbid * Lockdown mode

Rules are evaluated in order — first match wins. Unmatched actions are allowed by default.

Setup

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "nobulex": {
      "command": "npx",
      "args": ["-y", "@nobulex/mcp-server"]
    }
  }
}

Config file locations:

• macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
• Windows: %APPDATA%\Claude\claude_desktop_config.json

Cursor

Add to your Cursor MCP settings:

{
  "mcpServers": {
    "nobulex": {
      "command": "npx",
      "args": ["-y", "@nobulex/mcp-server"]
    }
  }
}

Any MCP Client

The server uses stdio transport. Run it with:

npx @nobulex/mcp-server

Development

npm install
npm run build
npm test

License

MIT