QAmcp

Copied. Paste it into Claude Code, Cursor or Codex:Fetch and follow the instructions at https://qamcp.dev/setup.md to test my MCP server.

Your AI finds your server in your project, tests it with QAmcp, explains what's wrong in plain words, fixes it with your OK, and tests again. Read the instructions

NewYour score can change any day. QAmcp Monitor keeps testing your server and emails you when it breaks. Free for 1 server.See what Monitor does →

Directory / ProSignature email signatures

ProSignature email signatures

Q: Is ProSignature email signatures MCP server safe?

QAmcp's test on 6 Nov 2026: None of the hidden-instruction wordings we know were found in its 7 tool descriptions. Its error messages showed no secrets or internal details. All 7 of its tools are labeled read-only. Overall it scored 75/100 on 6 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 prosignature.co · https://prosignature.co/mcp

Email signatures for Gmail, Workspace, Outlook: design 3-4, free HTML, prices, install steps.

7 tools✓ all read-only✓ no account neededPricing: on their site

See pricing →Visit website

75 /100

PASS · WITH NOTES

12 of 12 checks · 6 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: 7 tools
Its own safety labels: 7 read-only
Memory it takes: About 2,300 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 22.3 KB in our test
Speed: Average answer in our test: 49 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, 6 Nov 2026.

Is ProSignature email signatures MCP server safe?

None of the hidden-instruction wordings we know were found in its 7 tool descriptions.
Its error messages showed no secrets or internal details.
All 7 of its tools are labeled read-only.
Overall it scored 75/100 on 6 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

Not looked up yet. QAmcp tests how a server behaves. It does not scan source code.

What it can do

7 tools, in the server's own words.

design_signaturesread-only

Start here when a user asks for an email signature: a professional, branded or HTML email signature for Gmail, Google Workspace, Outlook, Microsoft 365 or Appl…

get_signature_playbookread-only

The rules professional signatures follow, what each of the 13 templates looks like, the recommended templates / fields / CTA / banners for 8 departments and 18…

create_signatureread-only

Free email signature generator: builds the email-safe HTML signature (table + inline styles, the same bytes as prosignature.co/email-signature-generator) for o…

list_layoutsread-only

The four signature layouts (id, name, what it looks like) and the six accent colours the generator offers.

quote_priceread-only

List price for Pro (one person) or Teams (per person, 5-person minimum, no platform fee) for a number of people, billed yearly or monthly, computed from the ru…

get_install_stepsread-only

How to add, change or install an email signature in a mail client, honestly: Gmail web (paste, or the sendAs PATCH with gmail.settings.basic — new mail only), …

get_factsread-only

What ProSignature is (email signatures for Gmail and Google Workspace teams; Outlook, Microsoft 365 and Apple Mail by copy-paste), the free plan and its credit…

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 (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Every tool is described
1 warning
- !get_signature_playbook: Inputs with no description: department, sector
note
!
Tools are labeled safe or dangerous
1 warning
- !create_signature: Labeled read-only, but its name starts with "create" and its description says "removes". Worth double-checking the label, since AI apps trust it.
note
!
Bad inputs give a clean error
1 warning
- !design_signatures: Accepted wrong type for "name" without complaining
- and 6 more
note
!
Resources and prompts work
1 warning (3 prompts)
- !team_email_signatures: Never uses the input people: what you type there doesn't appear in the result.
- and 1 more
note
✓
ConnectsConnected in 279 ms
pass
✓
Lists its toolsFound 7 tools
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
- ✓design_signatures: Worked (73 ms)
- ✓get_signature_playbook: Worked (45 ms)
- ✓list_layouts: Worked (43 ms)
- ✓quote_price: Worked (44 ms)
- ✓get_install_steps: Worked (43 ms)
- ✓get_facts: Worked (45 ms)
- –create_signature: Not run: labeled read-only, but its name starts with "create", 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
✓
Fast enough
All good
- ✓Connecting took 279 ms
- ✓Listing tools took 44 ms
- ✓Average tool answer: 49 ms
- ✓design_signatures: Slowest tool: design_signatures (73 ms)
pass
✓
No secrets leakedChecked 6 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://prosignature.co/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/co-prosignature-email-signatures.svg)](https://qamcp.dev/s/co-prosignature-email-signatures.html)

Score over time

6 Nov 202675

One test so far. New tests will show here.

Reviews

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

Is this your server? Get an alert the moment it breaks.

QAmcp Monitor tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. Free for 1 server, no card.

Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works