Mekler AI

Q: Is Mekler AI MCP server safe?

QAmcp's test on 25 Oct 2026: No hidden instructions were found in its tool descriptions. Its error messages showed no secrets or internal details. 8 of its 24 tools are labeled read-only; the others may change or send things. Overall it scored 82/100 on 25 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.

https://api.mekler.ai/mcp

Inference, news, SEC facts, data checks, web extraction, mail, x402 checks and listing monitoring.

24 tools✓ no account neededPricing: not listed

82 /100

PASS · WITH NOTES

11 of 11 checks · 25 Oct 2026

Is Mekler AI MCP server safe?

No hidden instructions were found in its tool descriptions.
Its error messages showed no secrets or internal details.
8 of its 24 tools are labeled read-only; the others may change or send things.
Overall it scored 82/100 on 25 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

24 tools, in the server's own words.

search_services

Find Mekler paid operations for a task, including exclusions and useful combinations.

get_service

Get a complete public service or operation contract by slug, operation ID, name, or endpoint URL.

scan_origin

Start or recover an asynchronous x402 conformance scan.

get_scan_statusread-only

Read a conformance job state with job_id and recovery_capability.

get_scan_reportread-only

Read a completed public cached report by report_id.

list_conformance_checksread-only

Read the versioned 25-check linter and separate 14-check compliance catalogs, grading rules and unknown-evidence semantics.

search_listingsread-only

Search scanned x402 services by text, host, category, grade, owner verification or featured status.

retrieve_listingread-only

Retrieve one visible scanned service, current grades, first seen, scan count and the latest 100 grade observations.

export_listings

Export up to 10000 visible scanned x402 services with grade history, first seen, scan counts, provenance and explicit truncation.

list_grade_changes

Read ordered new, grade_changed and rescanned events with previous grades and scores.

start_ownership_proof

Start a one-hour domain challenge bound to your private random 32-byte requester key in lowercase hex.

confirm_ownership_proof

Confirm a one-hour domain challenge with the same private requester key.

update_listing_preferences

Use X-Mekler-Listing-Control and the expected revision to hide a listing, suppress branding or revoke access.

get_trial_offerread-only

Read the adjustable free-use offer, wallet authentication, allowance and explicit paid transition.

get_trial_accessread-only

Get the service request and standard wallet-auth instructions.

rotate_trial

Write: request a wallet-rotation challenge with old_wallet/new_wallet/request_id; then submit old_proof/new_proof signed with both keys.

referral_accept_terms

Accept a newer version of the referral terms to keep earning.

referral_acknowledge

Mark notices already served by referral_notices as read up to a cursor.

referral_notices

Read published program notices and the referrer's private account events.

referral_receipts

Page through a referrer's commission receipts, oldest first.

referral_register

referral_rotate

Move a referral registration to a new wallet without losing history.

referral_status

Read a registered referrer's code, referral link, accepted versus current terms and whether action is required.

referral_programread-only

Read current Mekler referral availability, terms and commission offer.

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
22 warnings
- !search_services: Inputs with no description: query, referral_code
- !get_service: Inputs with no description: id, referral_code
- !scan_origin: Inputs with no description: quote_mode, paths, recovery_capability, payment_signature
- !get_scan_status: Inputs with no description: job_id, recovery_capability
- !get_scan_report: Inputs with no description: report_id
- !search_listings: Inputs with no description: text, host, category, grade, owner_verified, featured, sort, limit, cursor
- !retrieve_listing: Inputs with no description: listing_id
- !export_listings: Inputs with no description: idempotency_key, payment_signature
- and 14 more
note
!
Tools are labeled safe or dangerous
1 warning
- !2 of 24 tools have no safety label (read-only or dangerous): search_services, get_service
note
!
Fast enough
1 warning
- !referral_program: Slowest tool: referral_program (2.2 s): users will notice the wait
- and 3 more
note
✓
ConnectsConnected in 435 ms
pass
✓
Lists its toolsFound 24 tools
pass
✓
No hidden instructionsNo hidden instructions found in tool descriptions
pass
✓
Tools work with good inputs
All good
- ✓get_scan_status: Answered with an error, probably because of our sample input: {"error": "not_found", "guidance": {"documentation": "https://api.mekler.ai/openapi.json", "message": "This operation reads an existing sca…
- ✓get_scan_report: Answered with an error, probably because of our sample input: {"error": "not_found", "guidance": {"documentation": "https://api.mekler.ai/openapi.json", "message": "This operation reads an existing sca…
- ✓list_conformance_checks: Worked (100 ms)
- ✓search_listings: Worked (332 ms)
- ✓retrieve_listing: Answered with an error, probably because of our sample input: {"error": "listing_not_found", "guidance": {"documentation": "https://api.mekler.ai/openapi.json", "message": "Use the exact listing operat…
- ✓get_trial_offer: Worked (221 ms)
- ✓get_trial_access: Answered with an error, probably because of our sample input: invalid or unavailable tool request
- ✓referral_program: Worked (2.2 s)
- and 16 more
pass
✓
Bad inputs give a clean error
All good
- ✓get_scan_status: Refused missing required input "job_id" with a clear error
- ✓get_scan_status: Refused wrong type for "job_id" with a clear error
- ✓get_scan_report: Refused missing required input "report_id" with a clear error
- ✓get_scan_report: Refused wrong type for "report_id" with a clear error
- ✓search_listings: Refused wrong type for "text" with a clear error
- ✓retrieve_listing: Refused missing required input "listing_id" with a clear error
- ✓retrieve_listing: Refused wrong type for "listing_id" with a clear error
- ✓get_trial_access: Refused missing required input "operation" with a clear error
- and 1 more
pass
✓
Tools work togethersearch_listings → retrieve_listing: retrieve_listing found what search_listings returned (listing_id = "eaa8679fb8644517c73ec529c9e27d10f12f34f0713f0956fcdac772a84…")
pass
✓
No secrets leakedChecked 21 error messages: no secrets or internal details
pass

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://api.mekler.ai/mcp

Score over time

14 Oct 202680
17 Oct 202680
18 Oct 202680
25 Oct 202682

Reviews

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

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