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Directory / Arkana tarot

Arkana tarot

Q: Is Arkana tarot MCP server safe?

QAmcp's test on 3 Nov 2026: None of the hidden-instruction wordings we know were found in its 4 tool descriptions. Its error messages showed no secrets or internal details. All 4 of its tools are labeled read-only. Overall it scored 90/100 on 3 Nov 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by arkana-tarot.com · https://arkana-tarot.com/api/mcp

Fairly shuffled Rider–Waite–Smith tarot draws, spreads and card meanings (English, Lithuanian).

4 tools✓ all read-only✓ no account neededPricing: not listed

Visit website

90 /100

PASS · WITH NOTES

11 of 11 checks · 3 Nov 2026

Test it now for current results

At a glance

Runs where: On their server. What you send to it goes to them.
What you need: Nothing: it answered without a login
Tools: 4 tools
Its own safety labels: 4 read-only
Memory it takes: About 810 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 4 KB in our test
Speed: Average answer in our test: 243 ms

Tokens are an estimate: the characters in its tool names, descriptions and inputs, divided by 4. The exact number depends on your AI model. Safety labels are what the server says about itself. From our latest test, 3 Nov 2026.

Is Arkana tarot MCP server safe?

None of the hidden-instruction wordings we know were found in its 4 tool descriptions.
Its error messages showed no secrets or internal details.
All 4 of its tools are labeled read-only.
Overall it scored 90/100 on 3 Nov 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What this test does not check

Its source code and packages.
What a tool quietly does behind the scenes, such as writing a file or calling another service.
Instructions hidden inside live tool answers. We only look for those in tool descriptions.
Hidden instructions worded in a way our list doesn't know yet.
Tools that could change something. Those are read, never run.

What QAmcp can and can't see · How to tell if an MCP server is safe · Hidden instructions · Prompt injection

Known security advisories

It lists no public code, so there is nothing to look up in GitHub Security Advisories or OSV.dev. QAmcp tests how a server behaves. It does not scan source code.

What it can do

4 tools, in the server's own words.

draw_cardsread-only

Shuffles a 78-card Rider–Waite–Smith deck with a cryptographic random generator and deals a spread.

draw_clarifierread-only

Draws one or more clarifying cards from the rest of the deck, leaving out the cards given in exclude.

get_cardread-only

Meaning of one tarot card, upright and reversed, with its element and a short description of the image.

list_spreadsread-only

The available spreads with their number of cards and the meaning of each position.

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Bad inputs give a clean error
3 warnings
- !draw_clarifier: Accepted wrong type for "exclude" without complaining
- !get_card: Accepted missing required input "card" without complaining
- !list_spreads: Accepted wrong type for "lang" without complaining
- and 2 more
note
✓
ConnectsConnected in 721 ms
pass
✓
Lists its toolsFound 4 tools
pass
✓
Every tool is describedAll 4 tools and their inputs are described
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.
pass
✓
Tools work with good inputs
All good
- ✓draw_cards: Worked (626 ms)
- ✓draw_clarifier: Worked (118 ms)
- ✓get_card: Answered with an error, probably because of our sample input: No card matches "test".
- ✓list_spreads: Worked (114 ms)
pass
✓
Fast enough
All good
- ✓Connecting took 721 ms
- ✓Listing tools took 123 ms
- ✓Average tool answer: 243 ms
- ✓draw_cards: Slowest tool: draw_cards (626 ms)
pass
✓
No secrets leakedChecked 3 error messages: no secrets or internal details
pass
✓
Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guide
pass
–
Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://arkana-tarot.com/api/mcp

Show this score on GitHub

Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.

[![QAmcp score](https://qamcp.dev/s/com-arkana-tarot-tarot.svg)](https://qamcp.dev/s/com-arkana-tarot-tarot.html)

Score over time

3 Nov 202690

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Arkana tarot, signed in with GitHub, one per person. Reviews never change the score.

Is this your server? Get an alert the moment it breaks.

QAmcp Monitor tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. Free for 1 server, no card.

Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works