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Directory / Tera Studio

Tera Studio

Q: Is Tera Studio MCP server safe?

QAmcp's test on 28 Oct 2026: No hidden instructions were found in its tool descriptions. Its error messages showed no secrets or internal details. All 4 of its tools are labeled read-only. Overall it scored 95/100 on 28 Oct 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 terastudio.co · https://terastudio.co/mcp

Find a song's key and tempo, shift it to suit your voice, then hear songs sung in your own voice.

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

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95 /100

PASS · WITH NOTES

12 of 12 checks · 28 Oct 2026

Is Tera Studio MCP server safe?

No hidden instructions were found in its tool descriptions.
Its error messages showed no secrets or internal details.
All 4 of its tools are labeled read-only.
Overall it scored 95/100 on 28 Oct 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

4 tools, in the server's own words.

find_song_key_and_temporead-only

Find the musical key (major or minor, with its relative key) and the tempo in BPM of a song file the person has.

shift_song_keyread-only

Move a song the person has up or down by up to 6 semitones, keeping its speed, so it fits their voice, and play it back.

start_song_in_my_voiceread-only

Explain how to hear a song sung in the person's own voice with Tera Studio, and give them the link to start.

find_song_keyread-only

Look up the key, tempo (BPM) and typical vocal range of a well-known song by its title, in Tera Studio's song list (key and tempo from AcousticBrainz's analyse…

Test results

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

!
Tools are labeled safe or dangerous
1 warning
- !start_song_in_my_voice: Labeled read-only, but its name starts with "start" and its description says "creates". Worth double-checking the label, since AI apps trust it.
note
✓
ConnectsConnected in 621 ms
pass
✓
Ready for the newest MCP versionUses the latest MCP version (2026-07-28)
pass
✓
Lists its toolsFound 4 tools
pass
✓
Every tool is describedAll 4 tools and their inputs are described
pass
✓
No hidden instructionsNo hidden instructions found in tool descriptions
pass
✓
Tools work with good inputs
All good
- ✓find_song_key_and_tempo: Worked (211 ms)
- ✓shift_song_key: Worked (197 ms)
- ✓find_song_key: Worked (199 ms)
- –start_song_in_my_voice: Not run: labeled read-only, but its name starts with "start", which usually means it changes something. Skipped to be safe: if it only reads, a clearer name helps AI apps too, or test again with --owner
pass
✓
Bad inputs give a clean error
All good
- ✓shift_song_key: Refused wrong type for "semitones" with a clear error
- ✓find_song_key: Refused missing required input "title" with a clear error
- ✓find_song_key: Refused wrong type for "title" with a clear error
pass
✓
Fast enough
All good
- ✓Connecting took 621 ms
- ✓Listing tools took 196 ms
- ✓Average tool answer: 202 ms
- ✓find_song_key_and_tempo: Slowest tool: find_song_key_and_tempo (211 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
✓
Resources and prompts work
All good (1 resource)
- ✓Opened 1 of 1 resources
- ✓An address that does not exist gets a clean "not found" error
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://terastudio.co/mcp

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[![QAmcp score](https://qamcp.dev/s/co-terastudio-tera-studio.svg)](https://qamcp.dev/s/co-terastudio-tera-studio.html)

Score over time

28 Oct 202695

One test so far. New tests will show here.

Reviews

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

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