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Directory / goldenratio.app
goldenratio.app
by goldenratio.app · https://mcp.goldenratio.app/mcp
Golden-ratio design math: spacer calculator, spacing scale, grid widths, CSS vars, Tailwind setup.
11 of 11 checks · 7 Nov 2026
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
- 6 tools
- Its own safety labels
- 6 read-only
- Memory it takes
- About 1,400 tokens of your AI's memory, just for its tool descriptions
- Largest answer
- About 11.8 KB in our test
- Speed
- Average answer in our test: 109 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, 7 Nov 2026.
Is goldenratio.app MCP server safe?
- None of the hidden-instruction wordings we know were found in its 6 tool descriptions.
- Its error messages showed no secrets or internal details.
- All 6 of its tools are labeled read-only.
- Overall it scored 95/100 on 7 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
None found in GitHub Security Advisories on 7 Nov 2026.
That means none were published there, not that there are no problems. QAmcp tests how a server behaves. It does not scan source code.
What it can do
6 tools, in the server's own words.
golden_calculatorread-onlyThe goldenratio.app Golden Calculator.
golden_spacingread-onlyThe golden spacing scale (spacers 1-11 plus half-N and double-N) with exact values, px and CSS variable names, as used by goldenratio.app and the tailwindcss-g…
golden_gridread-onlyThe golden grid from goldenratio.app/#/grid: w-grp-1..11, w-grp-half-*, w-grp-double-* percentage widths, the starter .container/.row CSS, every example row fr…
golden_css_variablesread-onlyThe :root block of golden-ratio CSS variables (--golden-ratio-1..11, half-*, double-*, --gr) exactly as goldenratio.app ships it.
tailwind_plugin_setupread-onlyHow to add the tailwindcss-golden-ratio plugin (the one goldenratio.app uses): install command, tailwind.config.js, options, and the exact theme values it gene…
golden_ratio_stepsread-onlyStep any number up or down the golden ratio (x or / 1.61803398875), e.g.
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Ready for the newest MCP versionnote
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.
- !Follows MCP best practices (not scored yet)note
1 tip (not scored)
- !5 tools answer with structured data but don't declare its shape (outputSchema): golden_calculator, golden_spacing, golden_grid, tailwind_plugin_setup, golden_ratio_steps. If those answers change shape, nothing can catch it; with a schema, e
- ✓ConnectsConnected in 634 mspass
- ✓Lists its toolsFound 6 toolspass
- ✓Every tool is describedAll 6 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓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 inputspass
All good
- ✓golden_calculator: Worked (165 ms)
- ✓golden_spacing: Worked (102 ms)
- ✓golden_grid: Worked (100 ms)
- ✓golden_css_variables: Worked (100 ms)
- ✓tailwind_plugin_setup: Worked (100 ms)
- ✓golden_ratio_steps: Worked (89 ms)
- ✓Bad inputs give a clean errorpass
All good
- ✓golden_calculator: Refused wrong type for "left" with a clear error
- ✓golden_spacing: Refused wrong type for "spacer_base" with a clear error
- ✓golden_grid: Refused wrong type for "container_px" with a clear error
- ✓golden_css_variables: Refused wrong type for "spacer_base" with a clear error
- ✓tailwind_plugin_setup: Refused wrong type for "spacer_base" with a clear error
- ✓golden_ratio_steps: Refused missing required input "value" with a clear error
- ✓golden_ratio_steps: Refused wrong type for "value" with a clear error
- ✓Fast enoughpass
All good
- ✓Connecting took 634 ms
- ✓Listing tools took 98 ms
- ✓Average tool answer: 109 ms
- ✓golden_calculator: Slowest tool: golden_calculator (165 ms)
- ✓No secrets leakedChecked 7 error messages: no secrets or internal detailspass
- –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://mcp.goldenratio.app/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/app-goldenratio-mcp.html)Score over time
- 7 Nov 202695
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use goldenratio.app, signed in with GitHub, one per person. Reviews never change the score.
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