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Directory / karaoke-maker-3000

karaoke-maker-3000

Q: Is karaoke-maker-3000 MCP server safe?

QAmcp's test on 12 Nov 2026: None of the hidden-instruction wordings we know were found in its 11 tool descriptions. Its error messages showed no secrets or internal details. 4 of its 11 tools are labeled read-only; the others may change or send things. Overall it scored 84/100 on 12 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 karaokemaker3000.art · https://karaokemaker3000.art/mcp

Create karaoke MP4 videos from MP3 with instrumental, lyrics, timing and backgrounds.

11 tools✓ no account neededPricing: not listed

Visit website

84 /100

PASS · WITH NOTES

12 of 12 checks · 12 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: 11 tools
Its own safety labels: 4 read-only, 3 labeled as deleting or destroying, 4 labeled as changing things
Memory it takes: About 2,200 tokens of your AI's memory, just for its tool descriptions
Speed: Average answer in our test: 188 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, 12 Nov 2026.

Is karaoke-maker-3000 MCP server safe?

None of the hidden-instruction wordings we know were found in its 11 tool descriptions.
Its error messages showed no secrets or internal details.
4 of its 11 tools are labeled read-only; the others may change or send things.
Overall it scored 84/100 on 12 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

11 tools, in the server's own words.

get_accountread-only

Get the connected Karaoke Maker account, existing balance and supported Quick features.

prepare_karaoke

Import the user's selected MP3 and prepare a free Quick draft with a price quote.

create_local_upload

Authorize a short-lived upload of the user's selected local MP3.

start_karaoke

Start the quoted Quick karaoke after the user confirms its price and visual preferences.

get_karaokeread-only

Read a Quick project's authoritative status, progress, allowed actions and current MP4 links.

show_karaokeread-only

Show the compact Quick card.

refresh_karaoke_quote

Refresh an expired, unstarted project's quote and status.

list_karaokesread-only

List the connected account's Quick projects to find work to continue in this chat.

retry_karaoke

Retry a failed or stale Quick stage only when can_retry is true.

cancel_karaoke

Cancel this Quick workflow when can_cancel is true.

open_in_studio

Hand this project from automatic Quick processing to the full Studio editor when the user requests manual correction.

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
10 warnings
- !prepare_karaoke: Inputs with no description: audio_file, idempotency_key, artist, title, language
- !create_local_upload: Inputs with no description: filename, byte_size, sha256, idempotency_key, artist, title, language
- !start_karaoke: Inputs with no description: project_id, expected_revision, idempotency_key, quote_id, visual_preferences
- !get_karaoke: Inputs with no description: project_id
- !show_karaoke: Inputs with no description: project_id, visual_preferences
- !refresh_karaoke_quote: Inputs with no description: project_id
- !list_karaokes: Inputs with no description: limit, cursor
- !retry_karaoke: Inputs with no description: project_id, expected_revision, idempotency_key
- and 2 more
note
!
Follows MCP best practices (not scored yet)
2 tips (not scored)
- !7 tools not labeled read-only don't say whether running them twice is safe (idempotentHint): prepare_karaoke, create_local_upload, start_karaoke, refresh_karaoke_quote, retry_karaoke, cancel_karaoke and 1 more
- !The tool list is about 59 KB (roughly 15k tokens). AI apps send it with every message, so it takes that much of the AI's memory before any work starts.
note
!
Resources and prompts work
1 warning (1 resource)
- !1 of 1 resources have no description, so people can't tell what they contain.
- and 2 more
note
✓
ConnectsConnected in 1.5 s
pass
✓
Lists its toolsFound 11 tools
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
- ✓get_account: Answered with an error, probably because of our sample input: Connect your Karaoke Maker account to continue. {"error":{"code":"invalid_token","message":"Connect your Karaoke Maker account to continue.…
- ✓get_karaoke: Answered with an error, probably because of our sample input: Connect your Karaoke Maker account to continue. {"error":{"code":"invalid_token","message":"Connect your Karaoke Maker account to continue.…
- ✓show_karaoke: Answered with an error, probably because of our sample input: Connect your Karaoke Maker account to continue. {"error":{"code":"invalid_token","message":"Connect your Karaoke Maker account to continue.…
- ✓list_karaokes: Answered with an error, probably because of our sample input: Connect your Karaoke Maker account to continue. {"error":{"code":"invalid_token","message":"Connect your Karaoke Maker account to continue.…
- –prepare_karaoke: Not run: labeled as changing data
- –create_local_upload: Not run: labeled as changing data
- –start_karaoke: Not run: labeled dangerous
- –refresh_karaoke_quote: Not run: labeled as changing data
- and 3 more
pass
✓
Bad inputs give a clean error
All good
- ✓get_karaoke: Refused missing required input "project_id" with a clear error
- ✓get_karaoke: Refused wrong type for "project_id" with a clear error
- ✓show_karaoke: Refused missing required input "project_id" with a clear error
- ✓show_karaoke: Refused wrong type for "project_id" with a clear error
- ✓list_karaokes: Refused wrong type for "limit" with a clear error
pass
✓
Fast enough
All good
- ✓Connecting took 1.5 s
- ✓Listing tools took 478 ms
- ✓Average tool answer: 188 ms
- ✓get_account: Slowest tool: get_account (267 ms)
pass
✓
No secrets leakedChecked 9 error messages: no secrets or internal details
pass
–
Tools work togetherNo safe tool returned data to start a chain from, so chains were not tested (not counted either way)
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://karaokemaker3000.art/mcp

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Score over time

12 Nov 202684

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use karaoke-maker-3000, signed in with GitHub, one per person. Reviews never change the score.

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