What is the key difference between Cross Llm Mcp and Lean Memory?

Cross Llm Mcp belongs to the Knowledge & Memory category with local stdio execution, while Lean Memory belongs to the Knowledge & Memory category with local stdio execution.

How do I install Cross Llm Mcp or Lean Memory in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Cross Llm Mcp and Lean Memory free or paid?

Cross Llm Mcp operates under a BYOK (Pay Provider Direct) model (API Key required). Lean Memory operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Cross Llm Mcp lists 5 tools with 1 views and 16 GitHub stars. Lean Memory lists 6 tools with 2 views and 47 GitHub stars.

Can I use both Cross Llm Mcp and Lean Memory together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Cross Llm Mcp or Lean Memory in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Cross Llm Mcp and Lean Memory free to use, or do they require API keys?

Cross Llm Mcp is listed under a BYOK (Pay Provider Direct) model with API Key required . Lean Memory operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Cross Llm Mcp and Lean Memory at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both jamesanz-cross-llm-mcp and wuesteon-lean-memory as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Cross Llm Mcp has a Quality Score of 43 /100 ( Fair ) with 1 views, 0 installs, and 16 GitHub stars. Lean Memory holds a Quality Score of 53 /100 ( Good ) with 2 views, 0 installs, and 47 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Cross Llm Mcp vs Lean Memory

In-depth architectural comparison of the Cross Llm Mcp and Lean Memory MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Cross Llm Mcp

Knowledge & Memory · Local stdio

Quality: 43/100 (Fair) | Auth: API Key required

Lean Memory

Knowledge & Memory · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

Verdict Summary: Choose Cross Llm Mcp if you need specialized Knowledge & Memory tools running via a local process. Choose Lean Memory if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Cross Llm Mcp when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: OPENAI_API_KEY, ANTHROPIC_API_KEY, DEEPSEEK_API_KEY, GEMINI_API_KEY, XAI_API_KEY, KIMI_API_KEY, PERPLEXITY_API_KEY, MISTRAL_API_KEY.
Primary tools included: Supports 9 LLM providers including OpenAI, Anthropic, Google Gemini, and Hugging Face, Tag-based model selection for coding, reasoning, creative tasks, and more, Prompt logging with history retrieval, statistics, and deletion.

Explore Cross Llm Mcp Details

Choose Lean Memory when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Feature & Specification Comparison

Specification	Cross Llm Mcp JamesANZ Knowledge & Memory	Lean Memory Wuesteon Knowledge & Memory
Summary	An MCP server that enables cross-LLM communication and memory sharing, allowing different AI models to collaborate and share context across conversations.	Embedded, local-first agent memory in a single SQLite file per namespace (vec0 + FTS5 hybrid retrieval). ADD-only history queryable as-of any past time; offline sleep-time maintenance stages dedupe/summarize/evict proposals a human reviews. No Docker, no server, no cloud key. pip install 'lean-memory[mcp]'
Category & Scope

Tools & Capabilities Breakdown

Cross Llm Mcp Tools (5)

Supports 9 LLM providers including OpenAI, Anthropic, Google Gemini, and Hugging Face

Tag-based model selection for coding, reasoning, creative tasks, and more

Prompt logging with history retrieval, statistics, and deletion

Combined tools to call all or specific LLMs by name

Cost optimization via model preference settings

Lean Memory Tools (6)

Single SQLite file per namespace for isolated memory storage

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Cross Llm Mcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "jamesanz-cross-llm-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "jamesanz-cross-llm-mcp"
      ],
      "env": {
        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
        "ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE",
        "DEEPSEEK_API_KEY": "YOUR_DEEPSEEK_API_KEY_HERE",
        "GEMINI_API_KEY": "YOUR_GEMINI_API_KEY_HERE",
        "XAI_API_KEY": "YOUR_XAI_API_KEY_HERE",
        "KIMI_API_KEY": "YOUR_KIMI_API_KEY_HERE",
        "PERPLEXITY_API_KEY": "YOUR_PERPLEXITY_API_KEY_HERE",
        "MISTRAL_API_KEY": "YOUR_MISTRAL_API_KEY_HERE"
      }
    }
  }
}

Lean Memory Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "wuesteon-lean-memory": {
      "command": "uvx",
      "args": [
        "lean-memory"
      ],
      "env": {
        "LM_DATA_ROOT": "YOUR_LM_DATA_ROOT_HERE",
        "ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

Cross Llm Mcp is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Lean Memory belongs to Knowledge & Memory using local stdio subprocess. Select Cross Llm Mcp when you need capabilities focused on knowledge & memory and Lean Memory when you require tools for knowledge & memory.

More alternatives to Cross Llm Mcp More alternatives to Lean Memory Knowledge & Memory category hub