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64 Types: personality test

io.github.zachhhhh/64types ยท v1.0.0

Free science-based personality test: 64 types from Big Five + HEXACO, with cited profiles.

Connect Remote server

Terminal
claude mcp add --transport http 64types https://64types.app/api/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "64types": {
      "url": "https://64types.app/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "64types": {
      "type": "http",
      "url": "https://64types.app/api/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://64types.app/api/mcp

Tools 6 found in our last check

  • get_test_questions

    The 62 public-domain IPIP statements of the free 64 Types personality test (Big Five + HEXACO Honesty-Humility), with the 1-5 answer scale. Ask the user each one, then call score_test.

  • score_test

    Score the user's answers to get their 64 Types type (e.g. INTJ-CM), trait percentiles against open norms (~20,000 people), borderline letters, a plain-language summary and a shareable result link.

  • get_type_profile

    Research-backed profile of a type: a 4-letter base (INTJ) with its 4 variants, or a full 64 Types code (INTJ-CM) with traits, strengths, watch-outs, career, love and growth notes and a link.

  • list_types

    The 16 base types and 4 variants with names, taglines and links.

  • get_pricing

    What is free (the test, result and every type profile) and the optional paid reports with prices and checkout links.

  • get_checkout_link

    Checkout link for one paid product, to hand to the user. They pay on Lemon Squeezy; the reply says what happens after payment.

Details

Endpointhttps://64types.app/api/mcp (Streamable HTTP)
First published29 Oct 2026
Last updated29 Oct 2026
Registry nameio.github.zachhhhh/64types

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