QAmcp

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Directory / Brief

Brief

Q: Is Brief MCP server safe?

QAmcp's test on 11 Nov 2026: None of the hidden-instruction wordings we know were found in its 5 tool descriptions. Its error messages showed no secrets or internal details. All 5 of its tools are labeled read-only. Overall it scored 89/100 on 11 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 getbrief.cards · https://getbrief.cards/mcp

Indian credit card rules for AI agents: which card to use, caps, transfers, bank changes. All dated.

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

Visit website

89 /100

PASS · WITH NOTES

12 of 12 checks · 11 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: 5 tools
Its own safety labels: 5 read-only
Memory it takes: About 1,900 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 10.5 KB in our test
Speed: Average answer in our test: 97 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, 11 Nov 2026.

Is Brief MCP server safe?

None of the hidden-instruction wordings we know were found in its 5 tool descriptions.
Its error messages showed no secrets or internal details.
All 5 of its tools are labeled read-only.
Overall it scored 89/100 on 11 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

It lists no public code, so there is nothing to look up in GitHub Security Advisories or OSV.dev. QAmcp tests how a server behaves. It does not scan source code.

What it can do

5 tools, in the server's own words.

search_cardsread-only

Finds Indian credit cards by name, issuer, network, fee band and three filters: forex markup of 1% or under, lounge access, transfer partners.

get_cardread-only

Everything on record for one card: fees and the waiver, earn rules with their caps, payment rail (UPI or card) and validity, exclusions, transfer partners with…

transfer_partnersread-only

Where points can move, by programme or by card.

list_changesread-only

Changes banks have made to card rules since a date: devaluations, fee changes, lounge gates, transfer partners added or removed, improvements.

recommendread-only

Ranks the cards a person holds for one spend: a merchant (such as "MakeMyTrip", "Swiggy", "amazon.in") or a category, and an amount in rupees.

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
2 warnings
- !search_cards: Inputs with no description: network
- !list_changes: Inputs with no description: severity
note
✓
ConnectsConnected in 464 ms
pass
✓
Lists its toolsFound 5 tools
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
- ✓search_cards: Worked (114 ms)
- ✓get_card: Answered with an error, probably because of our sample input: No card on record with the slug "test". search_cards finds a card by name.
- ✓list_changes: Answered with an error, probably because of our sample input: MCP error -32602: Input validation error: Invalid arguments for tool list_changes: a date as YYYY-MM-DD at since
- ✓recommend: Answered with an error, probably because of our sample input: Name a merchant (merchant) or a category (category).
- –transfer_partners: Not run: labeled read-only, but its name starts with "transfer", 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
- ✓search_cards: Refused wrong type for "query" with a clear error
- ✓get_card: Refused missing required input "slug" with a clear error
- ✓get_card: Refused wrong type for "slug" with a clear error
- ✓list_changes: Refused missing required input "since" with a clear error
- ✓list_changes: Refused wrong type for "since" with a clear error
- ✓recommend: Refused missing required input "amount_inr" with a clear error
- ✓recommend: Refused wrong type for "amount_inr" with a clear error
pass
✓
Tools work togethersearch_cards → get_card: get_card found what search_cards returned (slug = "amex-gold-charge")
pass
✓
Fast enough
All good
- ✓Connecting took 464 ms
- ✓Listing tools took 110 ms
- ✓Average tool answer: 97 ms
- ✓search_cards: Slowest tool: search_cards (114 ms)
pass
✓
No secrets leakedChecked 11 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

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://getbrief.cards/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/cards-getbrief-brief.svg)](https://qamcp.dev/s/cards-getbrief-brief.html)

Score over time

11 Nov 202689

One test so far. New tests will show here.

Reviews

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

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