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Cortex

Official registry Other

Persistent knowledge system with OWL-RL reasoning and 22 MCP tools. Local-first.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

PYPI package abbacus-cortex
Claude Code 
claude mcp add cortex -- uvx abbacus-cortex==0.2.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "cortex": {
            "command": "uvx",
            "args": [
                "abbacus-cortex==0.2.2"
            ]
        }
    }
}

Frequently asked questions

What is Cortex?

Persistent knowledge system with OWL-RL reasoning and 22 MCP tools. Local-first.

How do I install Cortex?

It runs on your machine. In Claude Code: claude mcp add cortex -- uvx abbacus-cortex==0.2.2. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Cortex need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Cortex open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Cortex?

It is published by abbacusgroup. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.