MCP server

PeriodFinder

io.github.fenrici1/periodfinder

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Neutral cross-brand period-underwear comparison: absorbency in real mL, plus size translation.

Working at last checkAbout 805 tokens per request once connected4 tools

https://www.periodfinder.com/api/mcp/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 4
Token cost: About 805 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http periodfinder https://www.periodfinder.com/api/mcp/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.periodfinder]
url = "https://www.periodfinder.com/api/mcp/mcp"

Gemini CLI

{"mcpServers":{"periodfinder":{"httpUrl":"https://www.periodfinder.com/api/mcp/mcp"}}}

Cursor

{"mcpServers":{"periodfinder":{"url":"https://www.periodfinder.com/api/mcp/mcp"}}}

VS Code

{"servers":{"periodfinder":{"type":"http","url":"https://www.periodfinder.com/api/mcp/mcp"}}}

Antigravity

agy mcp add periodfinder https://www.periodfinder.com/api/mcp/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"periodfinder","server_url":"https://www.periodfinder.com/api/mcp/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"periodfinder","server_url":"https://www.periodfinder.com/api/mcp/mcp"}

absorbency_dataset ~98 tokens
Get 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.
absorbency_translate ~289 tokens
Translate 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 like "what Knix tier e
find_products ~248 tokens
Find 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 out unless teen is t
find_size ~170 tokens
Find 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.

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