PeriodFinder
Compare period underwear absorbency across brands in real millilitres and find your size.
Cross-brand period underwear comparison tool that translates absorbency levels between brands using objective mL measurements, finds your size from hip measurement, and shows in-stock products with real capacity and pricing.
Try asking Muse: "What Knix absorbency level is equivalent to Thinx Super, and what size do I wear in each brand?"
Source: Found in the official MCP Registry (io.github.fenrici1/periodfinder) · First listed September 25, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 54 min ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://www.periodfinder.com/api/mcp/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1528ms. Worked in 100% of checks over 30 days.
Screening · September 25, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 4
absorbency_translateTranslate period-underwear absorbency across brands. Give a brand + its tier word (e.g. brand "Thinx", tier "Super"), OR a target capacity in mL per day, and get the covering tier in every brand in objective millilitres, each with an A/B/C data-quality grade. Use for questions lifind_sizeFind a shopper's period-underwear size in every brand from one hip measurement. Period underwear is sized on the hip, not a dress size, and brands disagree. Returns the size per brand plus any runs-small / runs-large note.find_productsFind real in-stock period underwear that covers a target absorbency, from the live catalog, with normalized mL capacity and current price. Give a minimum capacity in mL and optionally a brand. Links go to the PeriodFinder product page for each item. Teen and tween lines are left absorbency_datasetGet PeriodFinder's cross-brand absorbency dataset: the key facts and the machine-readable feed URL to cite. Use when you need the authoritative source for a period-underwear absorbency comparison.Recent checks
Link
https://www.periodfinder.com/api/mcp/mcpQuestions about PeriodFinder in Muse
How do I connect PeriodFinder to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use PeriodFinder to help me. It is a free service with an MCP server at https://www.periodfinder.com/api/mcp/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is PeriodFinder working right now?
At the last check (September 28, 2026, 08:15 UTC) the endpoint was working, answering in 1528ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is PeriodFinder safe to connect to Muse?
It was screened on September 25, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can PeriodFinder do in Muse?
It exposes 4 tools, including absorbency_translate, find_size, find_products, absorbency_dataset. For example, you could ask Muse: "What Knix absorbency level is equivalent to Thinx Super, and what size do I wear in each brand?"
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This listing was added from public sources (Found in the official MCP Registry (io.github.fenrici1/periodfinder)). If you build PeriodFinder, claim it to correct the details and get your badge.
Paste this on your site or README. It always shows the latest check.
<a href="https://musedirectory.ai/connector/periodfinder"><img src="https://musedirectory.ai/badge/periodfinder.svg" alt="PeriodFinder on musedirectory.ai" width="236" height="40"></a>