Supplement Advisor MCP vs Decoder 3am MCP

In-depth architectural comparison of the Supplement Advisor MCP and Decoder 3am 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 Supplement Advisor MCP when:

• You need dedicated capabilities in the Biology, Medicine and Bioinformatics domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: recommend_supplement, compare_forms, check_interactions.

Explore Supplement Advisor MCP Details

Choose Decoder 3am MCP when:

• You need dedicated capabilities in the Biology, Medicine and Bioinformatics domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: classify_sleep_cause, get_cause_info, list_causes.

Explore Decoder 3am MCP Details

Feature & Specification Comparison

Specification	Supplement Advisor MCP Biology, Medicine and Bioinformatics	Decoder 3am MCP thelongevityvault Biology, Medicine and Bioinformatics
Summary	Evidence-based supplement guidance: clinical doses, form comparisons, interactions, cost-per-dose.	Sleep disruption cause classifier using The Longevity Vault's 5-cause framework. Identifies the biological mechanism behind 3am wakeups from symptom descriptions, with tracked links to the full interactive 3AM Decoder.
Category & Scope

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": {
    "supplement-advisor-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "supplement-advisor-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "thelongevityvault-decoder-3am-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "thelongevityvault-decoder-3am-mcp"
      ]
    }
  }
}

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