Project Memory MCP vs Knowledge MCP

In-depth architectural comparison of the Project Memory MCP and Knowledge 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.

Which MCP Server Should You Choose?

Choose Project Memory MCP 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).

Explore Project Memory MCP Details

Choose Knowledge MCP when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Knowledge MCP Details

Feature & Specification Comparison

Specification	Project Memory MCP Knowledge & Memory	Knowledge MCP Knowledge & Memory
Summary	Persistent memory for AI coding agents — past bugs, decisions, and your corrections, in your repo.	Persistent memory graph for coding agents: hypotheses, evidence, and decisions survive sessions.
Category & Scope	Knowledge & Memory	Knowledge & Memory

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "project-memory-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@kaaustubh/project-memory-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "knowledge-mcp": {
      "url": "https://raw.githubusercontent.com/fulminate-io/knowledge-mcp/main/install.sh"
    }
  }
}

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