QAmcp

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Directory / AISub

AISub

Q: Is AISub MCP server safe?

QAmcp's test on 30 Oct 2026: No hidden instructions were found in its tool descriptions. Its error messages showed no secrets or internal details. All 6 of its tools are labeled read-only. Overall it scored 93/100 on 30 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 aisub.yuanwu.ai · https://aisub.yuanwu.ai/mcp

ChatGPT, Claude, Gemini, Perplexity and Grok subscription prices by country, with price history.

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

Visit website

93 /100

PASS · WITH NOTES

11 of 11 checks · 30 Oct 2026

Is AISub MCP server safe?

No hidden instructions were found in its tool descriptions.
Its error messages showed no secrets or internal details.
All 6 of its tools are labeled read-only.
Overall it scored 93/100 on 30 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

6 tools, in the server's own words.

list_catalogread-only

List the AI subscription products, sales channels, plan keys, billing intervals and regions that AISub tracks.

compare_pricesread-only

Rank the price of one subscription plan (e.g.

get_region_pricesread-only

Show every plan price of one product in one country or region, for each sales channel and billing interval, with its rank among all regions and its difference …

get_price_historyread-only

List the recorded price changes of one plan in one region, newest first, with the previous and new local price.

get_recent_price_changesread-only

List monthly subscription price changes AISub recorded across all regions in the last N days, newest first.

compare_creditsread-only

Compare credit pack prices (extra usage credits sold on top of a subscription, such as ChatGPT credits) across regions, normalised to the price per 100 credits…

Test results

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

!
Every tool is described
4 warnings
- !compare_prices: Inputs with no description: page
- !get_price_history: Inputs with no description: limit
- !get_recent_price_changes: Inputs with no description: limit
- !compare_credits: Inputs with no description: limit, page
note
✓
ConnectsConnected in 77 ms
pass
✓
Ready for the newest MCP versionUses the latest MCP version (2026-07-28)
pass
✓
Lists its toolsFound 6 tools
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No hidden instructionsNo hidden instructions found in tool descriptions
pass
✓
Tools work with good inputs
All good
- ✓list_catalog: Worked (103 ms)
- ✓compare_prices: Worked (377 ms)
- ✓get_region_prices: Answered with an error, probably because of our sample input: unknown_region: No prices are recorded for "test". Call list_catalog for the region codes of this product and channel.
- ✓get_price_history: Answered with an error, probably because of our sample input: unknown_region: No prices are recorded for "test". Call list_catalog for the region codes of this product and channel.
- ✓get_recent_price_changes: Worked (37 ms)
- ✓compare_credits: Worked (38 ms)
pass
✓
Bad inputs give a clean error
All good
- ✓list_catalog: Refused wrong type for "product" with a clear error
- ✓compare_prices: Refused wrong type for "channel" with a clear error
- ✓get_region_prices: Refused missing required input "region" with a clear error
- ✓get_region_prices: Refused wrong type for "region" with a clear error
- ✓get_price_history: Refused missing required input "region" with a clear error
- ✓get_price_history: Refused wrong type for "region" with a clear error
- ✓get_recent_price_changes: Refused wrong type for "product" with a clear error
- ✓compare_credits: Refused wrong type for "channel" with a clear error
pass
✓
Fast enough
All good
- ✓Connecting took 77 ms
- ✓Listing tools took 46 ms
- ✓Average tool answer: 135 ms
- ✓compare_prices: Slowest tool: compare_prices (377 ms)
pass
✓
No secrets leakedChecked 10 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://aisub.yuanwu.ai/mcp

Show this score on GitHub

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[![QAmcp score](https://qamcp.dev/s/ai-yuanwu-aisub.svg)](https://qamcp.dev/s/ai-yuanwu-aisub.html)

Score over time

30 Oct 202693

One test so far. New tests will show here.

Reviews

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

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