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Directory / Lons Publishing ISBN
Lons Publishing ISBN
by lonscloud.com · https://lons-isbn-mcp.padbor.workers.dev/mcp
Official ISBN-13 under your own imprint, delivered by e-mail within 6 h in 18 languages.
11 of 11 checks · 29 Oct 2026
Is Lons Publishing ISBN 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 100/100 on 29 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.
get_isbn_offerread-onlyReturns the three ISBN packs (simple, barcode, premium) with prices in USD and FCFA (XOF), what each includes, delivery delay, payment methods, supported langu…
get_order_linkread-onlyReturns the secure page where the CUSTOMER pays for an ISBN pack.
get_required_book_inforead-onlyLists the fields the customer fills in on the thank-you page after payment, so an agent can help prepare them in advance.
faqread-onlyAnswers common questions about the ISBN service.
Test results
Safe mode: only tools labeled read-only were run. How the test works
- ✓ConnectsConnected in 175 mspass
- ✓Ready for the newest MCP versionUses the latest MCP version (2026-07-28)pass
- ✓Lists its toolsFound 4 toolspass
- ✓Every tool is describedAll 4 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓No hidden instructionsNo hidden instructions found in tool descriptionspass
- ✓Tools work with good inputspass
All good
- ✓get_isbn_offer: Worked (45 ms)
- ✓get_order_link: Worked (36 ms)
- ✓get_required_book_info: Worked (18 ms)
- ✓faq: Worked (17 ms)
- ✓Bad inputs give a clean errorpass
All good
- ✓get_isbn_offer: Refused wrong type for "lang" with a clear error
- ✓get_order_link: Refused missing required input "pack" with a clear error
- ✓get_order_link: Refused wrong type for "pack" with a clear error
- ✓get_required_book_info: Refused wrong type for "lang" with a clear error
- ✓faq: Refused wrong type for "query" with a clear error
- ✓Fast enoughpass
All good
- ✓Connecting took 175 ms
- ✓Listing tools took 64 ms
- ✓Average tool answer: 29 ms
- ✓get_isbn_offer: Slowest tool: get_isbn_offer (45 ms)
- ✓No secrets leakedChecked 5 error messages: no secrets or internal detailspass
- ✓Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guidepass
- –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://lons-isbn-mcp.padbor.workers.dev/mcpShow 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.
[](https://qamcp.dev/s/com-lonscloud-isbn.html)Score over time
- 29 Oct 2026100
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use Lons Publishing ISBN, signed in with GitHub, one per person. Reviews never change the score.
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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