What is the key difference between Memkin and Penfield Mcp?

Memkin belongs to the Knowledge & Memory category with local stdio execution, while Penfield Mcp belongs to the Knowledge & Memory category with cloud HTTP/SSE execution.

How do I install Memkin or Penfield Mcp 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 Memkin and Penfield Mcp free or paid?

Memkin operates under a BYOK (Pay Provider Direct) model (API Key required). Penfield Mcp operates under a Free / Open Source model (OAuth 2.0).

Which MCP server has more tools and community activity?

Memkin lists 6 tools with 3 views and 5 GitHub stars. Penfield Mcp lists 6 tools with 1 views and 6 GitHub stars.

Can I use both Memkin and Penfield Mcp 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 Memkin or Penfield Mcp 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 Memkin and Penfield Mcp free to use, or do they require API keys?

Memkin is listed under a BYOK (Pay Provider Direct) model with API Key required . Penfield Mcp operates under a Free / Open Source model with OAuth 2.0 . 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 Memkin and Penfield Mcp at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both andrelyl-memkin and penfieldlabs-penfield-mcp 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, Memkin has a Quality Score of 53 /100 ( Good ) with 3 views, 0 installs, and 5 GitHub stars. Penfield Mcp holds a Quality Score of 53 /100 ( Good ) with 1 views, 0 installs, and 6 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Memkin vs Penfield Mcp

In-depth architectural comparison of the Memkin and Penfield Mcp 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

Memkin

Knowledge & Memory · Local stdio

Quality: 53/100 (Good) | Auth: API Key required

Penfield Mcp

Knowledge & Memory · Remote HTTP/SSE

Quality: 53/100 (Good) | Auth: OAuth 2.0

Verdict Summary: Choose Memkin if you need specialized Knowledge & Memory tools running via a local process. Choose Penfield Mcp if your workspace requires Knowledge & Memory integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Memkin 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, OLLAMA_API_KEY.
Primary tools included: Incremental and historical data collection from 7 Feishu sources, AI session data ingestion from Claude Code, Codex, Hermes/OpenClaw, Private local knowledge graph with entity linking and identity merging.

Explore Memkin Details

Choose Penfield Mcp when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: OAuth 2.0 (Free / Open Source).
Primary tools included: 17 tools for memory, graph, context, and artifact management, Hybrid BM25, vector, and graph search, Knowledge graphs with 24 relationship types.

Feature & Specification Comparison

Specification	Memkin AndreLYL Knowledge & Memory	Penfield Mcp penfieldlabs Knowledge & Memory
Summary	Local-first personal memory for AI agents. Ingests Feishu/Lark chats and Claude Code / Codex sessions, distills them into a private entity knowledge graph (people, projects, decisions, tasks), and serves it to any agent over MCP — read and write. npx memkin	Penfield: persistent memory with hybrid search (BM25 + vector + graph), 24 relationship types for knowledge graphs, context checkpoints for cognitive handoff, artifact storage, and personality system. Works across Claude, Cursor, Windsurf, and any MCP client.
Category & Scope

Tools & Capabilities Breakdown

Memkin Tools (6)

Incremental and historical data collection from 7 Feishu sources

AI session data ingestion from Claude Code, Codex, Hermes/OpenClaw

Private local knowledge graph with entity linking and identity merging

Hybrid retrieval combining full-text search and vector similarity

Privacy-preserving data handling with reversible and irreversible redaction

MCP server supporting stdio and Streamable HTTP transport

Penfield Mcp Tools (6)

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).

Memkin Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "andrelyl-memkin": {
      "command": "npx",
      "args": [
        "-y",
        "memkin"
      ],
      "env": {
        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
        "OLLAMA_API_KEY": "YOUR_OLLAMA_API_KEY_HERE"
      }
    }
  }
}

Penfield Mcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "penfieldlabs-penfield-mcp": {
      "url": "https://mcp.penfield.app"
    }
  }
}

Frequently Asked Questions

Memkin is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Penfield Mcp belongs to Knowledge & Memory using remote streaming HTTP/SSE transport. Select Memkin when you need capabilities focused on knowledge & memory and Penfield Mcp when you require tools for knowledge & memory.

More alternatives to Memkin More alternatives to Penfield Mcp Knowledge & Memory category hub