MCP Light Memory vs Prism Coder

In-depth architectural comparison of the MCP Light Memory and Prism Coder 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?

M

Choose MCP Light 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).

Explore MCP Light Memory Details

Choose Prism Coder 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 Prism Coder Details

Feature & Specification Comparison

Specification	M MCP Light Memory Knowledge & Memory	Prism Coder Knowledge & Memory
Summary	Local-first persistent memory for coding agents and MCP clients.	Session memory for coding agents: local-first recall, drift detection, on-device inference.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

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": {
    "mcp-light-memory": {
      "command": "uvx",
      "args": [
        "sentence-transformers"
      ]
    }
  }
}

{
  "mcpServers": {
    "prism-coder": {
      "command": "npx",
      "args": [
        "-y",
        "prism-mcp-server"
      ]
    }
  }
}

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