Official MCP RegistryListed
64 Types: personality test
Free science-based personality test: 64 types from Big Five + HEXACO, with cited profiles.
First seen 29 Oct 2026. Evidence as of 15 Nov 2026.
6
Tools
From an anonymous probe
1
Source listings
Each with its own history
4
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| get_checkout_link | Checkout link for one paid product, to hand to the user. They pay on Dodo Payments (packs) or Lemon Squeezy (Plus); the reply says what happens after payment. | Read-only |
| get_pricing | What is free (the test, result and every type profile) and the optional paid reports with prices and checkout links. | Read-only |
| 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. | Read-only |
| 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. | Read-only |
| list_types | The 16 base types and 4 variants with names, taglines and links. | Read-only |
| 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. | Read-only |
Change history
- get_checkout_link: input schema changed
- get_checkout_link: description changed (+"Dodo Payments (packs) or" +"Squeezy (Plus);" -"Squeezy;")
- get_checkout_link: input schema changed
- Listed (registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | io.github.zachhhhh/64types | 29 Oct 2026 | 15 Nov 2026 | 1 |