Knowl

Knowl is a remote (hosted) MCP server: Persistent memory for Claude Code, Cursor and Codex. Facts retire when they change. Connect any MCP client to https://api.knowl.cloud/mcp/.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add --transport http knowl https://api.knowl.cloud/mcp/

Run in your project folder. Add --scope user to use it everywhere.

Open Settings → Connectors → Add custom connector, then paste https://api.knowl.cloud/mcp/.

Add to .cursor/mcp.json or your client's MCP config.

{
  "mcpServers": {
    "knowl": {
      "type": "http",
      "url": "https://api.knowl.cloud/mcp/"
    }
  }
}

• Runtime: Nothing, it's hosted.
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over streamable HTTP.