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CLS++ Memory

Official registry AI and agents

Cross-LLM persistent memory: store context once, recall it from any AI model.

Source code Website

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).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http cls-memory 'https://www.clsplusplus.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "cls-memory": {
            "type": "http",
            "url": "https://www.clsplusplus.com/mcp"
        }
    }
}
PYPI package clsplusplus
Claude Code 
claude mcp add cls-memory -e 'CLS_API_KEY=<your cls_api_key>' -e 'CLS_API_URL=<CLS_API_URL>' -- uvx clsplusplus==7.19.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "cls-memory": {
            "command": "uvx",
            "args": [
                "clsplusplus==7.19.0"
            ],
            "env": {
                "CLS_API_KEY": "<your cls_api_key>",
                "CLS_API_URL": "<CLS_API_URL>"
            }
        }
    }
}

Environment variables

  • CLS_API_KEY required secret Your CLS++ API key (create one at https://www.clsplusplus.com/profile#api-keys)
  • CLS_API_URL CLS++ API base URL

Frequently asked questions

What is CLS++ Memory?

Cross-LLM persistent memory: store context once, recall it from any AI model.

How do I install CLS++ Memory?

It runs as a remote server. In Claude Code: claude mcp add --transport http cls-memory 'https://www.clsplusplus.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does CLS++ Memory need an API key?

Yes. It expects CLS_API_KEY, which you set in its configuration.

Is CLS++ Memory open source?

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

Who maintains CLS++ Memory?

It is published by rajamohan1950. 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.