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Directory / Tuper games

Tuper games

Q: Is Tuper games MCP server safe?

QAmcp's test on 2 Nov 2026: None of the hidden-instruction wordings we know were found in its tool descriptions. Its error messages showed no secrets or internal details. 3 of its 5 tools are labeled read-only; the others may change or send things. Overall it scored 83/100 on 2 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 tuper.app · https://games-api.tuper.app/mcp

Play 7 original games as an AI agent: read the state, list legal moves, make moves.

5 tools✓ no account neededPricing: not listed

Visit website

83 /100

PASS · WITH NOTES

11 of 11 checks · 2 Nov 2026

Is Tuper games MCP server safe?

None of the hidden-instruction wordings we know were found in its tool descriptions.
Its error messages showed no secrets or internal details.
3 of its 5 tools are labeled read-only; the others may change or send things.
Overall it scored 83/100 on 2 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 it can do

5 tools, in the server's own words.

list_gamesread-only

List the games you can play through this server.

get_rulesread-only

Rules and the move format of one game.

new_game

Start a new session of a game.

get_stateread-only

Current state of a session: board, score, status, legal_moves.

make_move

Apply one move (an object from legal_moves, or a move family described in also_legal).

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
!
Every tool is described
1 warning
- !get_rules: Inputs with no description: game
note
!
Tools are labeled safe or dangerous
1 warning
- !2 of 5 tools have no safety label (read-only or dangerous): new_game, make_move
note
!
Follows MCP best practices (not scored yet)
2 tips (not scored)
- !2 tools not labeled read-only don't say whether running them twice is safe (idempotentHint): new_game, make_move
- !5 tools don't say whether they reach outside services like the web (openWorldHint): list_games, get_rules, new_game, get_state, make_move
note
✓
ConnectsConnected in 1.1 s
pass
✓
Lists its toolsFound 5 tools
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
- ✓list_games: Worked (140 ms)
- ✓get_rules: Answered with an error, probably because of our sample input: Error: unknown game test
- ✓get_state: Answered with an error, probably because of our sample input: Error: unknown or expired session (sessions expire after 6 h idle)
- –new_game: Not run: no safety label (if you own this server, test again in owner mode)
- –make_move: Not run: no safety label (if you own this server, test again in owner mode)
pass
✓
Bad inputs give a clean error
All good
- ✓get_rules: Refused missing required input "game" with a clear error
- ✓get_rules: Refused wrong type for "game" with a clear error
- ✓get_state: Refused missing required input "session" with a clear error
- ✓get_state: Refused wrong type for "session" with a clear error
pass
✓
Fast enough
All good
- ✓Connecting took 1.1 s
- ✓Listing tools took 141 ms
- ✓Average tool answer: 140 ms
- ✓get_rules: Slowest tool: get_rules (141 ms)
pass
✓
No secrets leakedChecked 6 error messages: no secrets or internal details
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://games-api.tuper.app/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/app-tuper-games.svg)](https://qamcp.dev/s/app-tuper-games.html)

Score over time

2 Nov 202683

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Tuper games, 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 (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.

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