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64 Types: personality test

by 64types.app in Developer tools

MCP serverPassing, checked 9 h ago

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

https://64types.app/api/mcp
Tools
6
open to any client
Uptime
100%
last 30 days
Response time
177 ms
211 ms slowest 5%
Last check
Passed
9 h ago, next any minute now

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Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "64-types-personality-test": {
      "type": "http",
      "url": "https://64types.app/api/mcp"
    }
  }
}

6 tools

  • 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.

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTime
9 h agoPassed200175 ms
23 h agoPassed200138 ms
37 h agoPassed200177 ms
2 days agoPassed200202 ms
3 days agoPassed200211 ms