Omega Brain MCP vs Haldir

In-depth architectural comparison of the Omega Brain MCP and Haldir 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 Omega Brain MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: OMEGA_BRAIN_DATA_DIR.
• Primary tools included: omega_preload_context, omega_rag_query, omega_ingest.

Explore Omega Brain MCP Details

Choose Haldir when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: HALDIR_ENCRYPTION_KEY.
• Primary tools included: Scoped agent sessions, AES-256-GCM encrypted secret vault, Hash-chained audit trail.

Feature & Specification Comparison

Specification	Omega Brain MCP VrtxOmega Security	Haldir Security
Summary	Omega Brain MCP Server. Hardened AI execution pipeline prioritizing NAEF logic constraints over narrative LLM hallucination. 15 VERITAS Build Gates for uncompromising determinism, semantic vault integration, and Tri-Node Cortex validations.	Guardian layer for AI agents: identity, secrets, audit via MCP.
Category & Scope	Security

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": {
    "vrtxomega-omega-brain-mcp": {
      "command": "uvx",
      "args": [
        "omega-brain-mcp"
      ],
      "env": {
        "OMEGA_BRAIN_DATA_DIR": "YOUR_OMEGA_BRAIN_DATA_DIR_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "haldir": {
      "command": "uvx",
      "args": [
        "haldir"
      ],
      "env": {
        "HALDIR_ENCRYPTION_KEY": "YOUR_HALDIR_ENCRYPTION_KEY_HERE"
      }
    }
  }
}

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