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Directory / Punchneedle.ai

Punchneedle.ai

Q: Is Punchneedle.ai MCP server safe?

QAmcp's test on 11 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 96/100 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 punchneedle.ai · https://punchneedle.ai/api/mcp

Make punch needle patterns from images, browse patterns, estimate yarn, resize and match materials.

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

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96 /100

PASS · WITH NOTES

13 of 13 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: 7 tools
Its own safety labels: 7 read-only
Memory it takes: About 2,500 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 15.3 KB in our test
Speed: Average answer in our test: 169 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 Punchneedle.ai 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 96/100 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

7 tools, in the server's own words.

make_pattern_from_imageread-only

Converts a public PNG, JPEG or WebP image into a punch needle pattern with the website's pattern converter.

find_patternsread-only

Lists the original punch needle patterns in the Punchneedle.ai library, filtered by theme and level.

get_patternread-only

Returns one library pattern with its size, colours, making steps, materials and the yarn each colour needs in a fine-wool kit and a rug-wool kit.

calculate_yarnread-only

Estimates the yarn for a punch needle design from its size, the share of each colour and the needle and loop height, or from a measured swatch.

resize_patternread-only

Rescales a library pattern, or a design of a given size, to a new width or height with the proportions kept.

match_materialsread-only

Checks whether a punch needle, a fabric and a yarn work together, using the website's material guidance.

get_material_guideread-only

Returns the website's guide to one punch needle material: needles, needle sizes, fabric, monk's cloth, yarn, floss, hoops or glue.

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
✓
ConnectsConnected in 1.3 s
pass
✓
Lists its toolsFound 7 tools
pass
✓
Every tool is describedAll 7 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
- ✓make_pattern_from_image: Answered with an error, probably because of our sample input: MCP error -32602: Give the address of the image as image_url.
- ✓find_patterns: Worked (331 ms)
- ✓get_pattern: Answered with an error, probably because of our sample input: MCP error -32602: Name a pattern: heart, landscape, flower, sunflower, cat, dog, rainbow, blocks, rings, tree, bauble, pumpkin, house, pear…
- ✓calculate_yarn: Answered with an error, probably because of our sample input: MCP error -32602: The width must be a number.
- ✓resize_pattern: Answered with an error, probably because of our sample input: MCP error -32602: Give the new size as new_width or new_height.
- ✓match_materials: Answered with an error, probably because of our sample input: MCP error -32602: Name the needle family: oxford-regular (Oxford regular point), oxford-fine (Oxford fine yarn point), fine-floss (Miniatur…
- ✓get_material_guide: Answered with an error, probably because of our sample input: MCP error -32602: Name a material: needle, needle size, fabric, monks cloth, yarn, floss, hoop, glue.
pass
✓
Bad inputs give a clean error
All good
- ✓make_pattern_from_image: Refused wrong type for "image_url" with a clear error
- ✓find_patterns: Refused wrong type for "theme" with a clear error
- ✓get_pattern: Refused wrong type for "pattern" with a clear error
- ✓calculate_yarn: Refused wrong type for "width" with a clear error
- ✓resize_pattern: Refused wrong type for "pattern" with a clear error
- ✓match_materials: Refused missing required input "needle" with a clear error
- ✓match_materials: Refused wrong type for "needle" with a clear error
- ✓get_material_guide: Refused wrong type for "material" with a clear error
pass
✓
Tools work togetherfind_patterns → get_pattern: get_pattern found what find_patterns returned (id = "heart")
pass
✓
Fast enough
All good
- ✓Connecting took 1.3 s
- ✓Listing tools took 215 ms
- ✓Average tool answer: 169 ms
- ✓find_patterns: Slowest tool: find_patterns (331 ms)
pass
✓
No secrets leakedChecked 23 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
✓
Resources and prompts work
All good (1 resource)
- ✓Opened 1 of 1 resources
- ✓An address that does not exist gets a clean "not found" error
pass

Test it yourself

Free and open source. Same checks, same score.

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

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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/ai-punchneedle-punchneedle-ai.svg)](https://qamcp.dev/s/ai-punchneedle-punchneedle-ai.html)

Score over time

11 Nov 202696

One test so far. New tests will show here.

Reviews

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

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