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Directory / IoMarkets Topup (demo)

IoMarkets Topup (demo)

Q: Is IoMarkets Topup (demo) MCP server safe?

QAmcp's test on 9 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. 7 of its 11 tools are labeled read-only; the others may change or send things. Overall it scored 95/100 on 9 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 iomarkets.app · https://iomarkets.app/mcp

Demo only, payments switched off. Travel eSIMs and mobile top-ups priced in USDC via x402.

11 tools✓ no account neededPricing: not listed

Visit website

95 /100

PASS · WITH NOTES

11 of 11 checks · 9 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: 7 read-only, 4 labeled as changing things
Memory it takes: About 2,700 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 4.3 KB in our test
Speed: Average answer in our test: 133 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, 9 Nov 2026.

Is IoMarkets Topup (demo) 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.
7 of its 11 tools are labeled read-only; the others may change or send things.
Overall it scored 95/100 on 9 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

None found in GitHub Security Advisories on 9 Nov 2026.

That means none were published there, not that there are no problems. QAmcp tests how a server behaves. It does not scan source code.

What it can do

11 tools, in the server's own words.

lookup_phoneread-only

Identify the country and mobile operator of a phone number and list the top-up offers available for it.

list_offersread-only

Browse purchasable offers: mobile top-ups, travel eSIMs, prepaid bills, or international payment corridors (bank / mobile money / UPI) for a country.

quote

Demo only: payments are switched off, so this answers with an error and nothing can be bought.

create_pay_link

Demo only: payments are switched off, so this answers with an error and nothing can be bought.

buy

Demo only: payments are switched off, so this answers with an error and nothing can be bought.

quote_vouchers

Demo only: payments are switched off, so this answers with an error and nothing can be bought.

voucher_batchread-only

A paid voucher batch: every claim link, which have been claimed and delivered, the expiry, and any refund for unclaimed links.

order_statusread-only

Check an order.

verify_receiptread-only

Verify an ed25519-signed receipt: the signature, and — unless you pass onChain:false — both txids against an Algorand indexer.

fxread-only

Indicative USDC → local-currency rate at our sale price, with an estimate for an amount.

ledgerread-only

Public delivery ledger: totals, delivered-or-refunded %, volume, countries, recent orders.

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
!
Follows MCP best practices (not scored yet)
2 tips (not scored)
- !11 tools don't say whether they reach outside services like the web (openWorldHint): lookup_phone, list_offers, quote, create_pay_link, buy, quote_vouchers and 5 more
- !5 tools answer with structured data but don't declare its shape (outputSchema): lookup_phone, list_offers, voucher_batch, verify_receipt, ledger. If those answers change shape, nothing can catch it; with a schema, every answer is checked.
note
✓
ConnectsConnected in 1.0 s
pass
✓
Lists its toolsFound 11 tools
pass
✓
Every tool is describedAll 11 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
- ✓lookup_phone: Worked (135 ms)
- ✓list_offers: Worked (131 ms)
- ✓voucher_batch: Worked (135 ms)
- ✓verify_receipt: Worked (131 ms)
- ✓ledger: Worked (133 ms)
- –quote: Not run: labeled as changing data
- –create_pay_link: Not run: labeled as changing data
- –buy: Not run: labeled as changing data
- and 3 more
pass
✓
Bad inputs give a clean error
All good
- ✓lookup_phone: Refused missing required input "phone" with a clear error
- ✓lookup_phone: Refused wrong type for "phone" with a clear error
- ✓list_offers: Refused missing required input "type" with a clear error
- ✓list_offers: Refused wrong type for "type" with a clear error
- ✓voucher_batch: Refused missing required input "batchId" with a clear error
- ✓voucher_batch: Refused wrong type for "batchId" with a clear error
- ✓verify_receipt: Refused wrong type for "orderId" with a clear error
pass
✓
Fast enough
All good
- ✓Connecting took 1.0 s
- ✓Listing tools took 138 ms
- ✓Average tool answer: 133 ms
- ✓lookup_phone: Slowest tool: lookup_phone (135 ms)
pass
✓
No secrets leakedChecked 7 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://iomarkets.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-iomarkets-topup.svg)](https://qamcp.dev/s/app-iomarkets-topup.html)

Score over time

9 Nov 202695

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use IoMarkets Topup (demo), signed in with GitHub, one per person. Reviews never change the score.

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