LocalFree

Cortex MCP server

abbacusgroup/Cortex

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

Source code

Install Cortex in Claude Code

Claude Code
claude mcp add abbacusgroup-cortex -- uvx abbacus-cortex
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "abbacusgroup-cortex": {
      "command": "uvx",
      "args": [
        "abbacus-cortex"
      ]
    }
  }
}

Frequently asked questions

What does the Cortex MCP server do?

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

Is the Cortex MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Cortex run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Cortex to Claude Code?

Run: claude mcp add abbacusgroup-cortex -- uvx abbacus-cortex

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