arifOS — Constitutional AI Kernel

Overview

arifOS — Constitutional AI Kernel is an MCP server that brings constitutional AI principles to any compatible AI assistant. It provides 13 MCP tools, an 888_JUDGE verdict pipeline, and a VAULT999 ledger for governance-aware decision-making. Any MCP client can call these tools directly, letting the model decide when to use them during conversations or agent runs.

The server runs as a hosted remote endpoint at https://arifos.arif-fazil.com/mcp with no local installation needed. Version v2026.06.30 is available under the AGPL-3.0 license, with full source code at ariffazil/arifOS on GitHub, where it has 51 stars.

arifOS — Constitutional AI Kernel is listed in the AI & Agents category and works with Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and other MCP clients. If you maintain this server, claim your listing to earn the Verified badge and keep information up to date.

Installation

Settings → Connectors → Add custom connector
Name: arifOS — Constitutional AI Kernel
URL:  https://arifos.arif-fazil.com/mcp