LINZA MCP vs Cortex Plugin

In-depth architectural comparison of the LINZA MCP and Cortex Plugin 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 LINZA 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).
• You have access to required keys: LINZA_VAULT.
• Primary tools included: Local SQLite index at .linza/linza.db, Markdown, TXT, JSON, DOCX, and XLSX support, Optional local PDF extraction.

Explore LINZA MCP Details

Choose Cortex Plugin 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).
• You have access to required keys: MEMEM_TELEMETRY_SOURCE.
• Primary tools included: Event-triggered background miner extracting durable lessons from conversations, Stores memories as markdown files in a local Obsidian vault, Active Memory Slice assembling query-tailored context briefings.

Feature & Specification Comparison

Specification	LINZA MCP Semiotronika Knowledge & Memory	Cortex Plugin TT-Wang Knowledge & Memory
Summary	Local-first review-gated sidecar for Markdown workspaces. Indexes notes and incoming artifacts into SQLite, proposes domains, links, memory, and growth cards with evidence, and keeps source files unchanged until explicit review. pip install linza-mcp	Persistent, self-evolving memory plugin for Claude Code. Background miner extracts durable lessons (decisions, conventions, bug fixes) from completed sessions via Claude Haiku, stores them as human-readable markdown in an Obsidian vault, and assembles query-tailored context briefings at session start. Local-first, no cloud, no API keys. Self-healing install via uv bootstrap shim, /cortex-doctor preflight, graceful FTS-only degraded mode when claude CLI missing. MIT.

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": {
    "semiotronika-linza-mcp": {
      "command": "uvx",
      "args": [
        "linza-mcp"
      ],
      "env": {
        "LINZA_VAULT": "YOUR_LINZA_VAULT_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "tt-wang-cortex-plugin": {
      "command": "pipx",
      "args": [
        "install",
        "memem"
      ],
      "env": {
        "MEMEM_TELEMETRY_SOURCE": "YOUR_MEMEM_TELEMETRY_SOURCE_HERE"
      }
    }
  }
}

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