Basic Memory vs Obsidian Codex MCP

In-depth architectural comparison of the Basic Memory and Obsidian Codex 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 Basic 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 (Freemium).
• Primary tools included: write_note, read_note, edit_note.

Explore Basic Memory Details

Choose Obsidian Codex 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: OBSIDIAN_VAULT_PATH, OBSIDIAN_READ_ONLY, OBSIDIAN_BACKUP_ON_WRITE.
• Primary tools included: configure_vault, get_note, create_note.

Feature & Specification Comparison

Specification	Basic Memory basicmachines-co Knowledge & Memory	Obsidian Codex MCP dot-RealityTest Knowledge & Memory
Summary
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": {
    "basicmachines-co-basic-memory": {
      "command": "uvx",
      "args": [
        "--prerelease=allow",
        "basic-memory"
      ]
    }
  }
}

{
  "mcpServers": {
    "dot-realitytest-obsidian-codex-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "dot-realitytest-obsidian-codex-mcp"
      ],
      "env": {
        "OBSIDIAN_VAULT_PATH": "YOUR_OBSIDIAN_VAULT_PATH_HERE",
        "OBSIDIAN_READ_ONLY": "YOUR_OBSIDIAN_READ_ONLY_HERE",
        "OBSIDIAN_BACKUP_ON_WRITE": "YOUR_OBSIDIAN_BACKUP_ON_WRITE_HERE"
      }
    }
  }
}

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