MCP server

ISO Week Number

com.gumballtools/iso-week

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

ISO 8601 week numbers: date to week, week to date, weeks-per-year.

Website Source

At a glance

Type

MCP server

Publisher

gumballtools.com (verified by the MCP Registry)

Status

Working at last check

Tools

1

Token cost

About 658 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

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 iso-week https://iso-week.gumballtools.com/api/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.iso-week]
url = "https://iso-week.gumballtools.com/api/mcp"

Gemini CLI

{"mcpServers":{"iso-week":{"httpUrl":"https://iso-week.gumballtools.com/api/mcp"}}}

Cursor

{"mcpServers":{"iso-week":{"url":"https://iso-week.gumballtools.com/api/mcp"}}}

VS Code

{"servers":{"iso-week":{"type":"http","url":"https://iso-week.gumballtools.com/api/mcp"}}}

Antigravity

agy mcp add iso-week https://iso-week.gumballtools.com/api/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":"iso-week","server_url":"https://iso-week.gumballtools.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"iso-week","server_url":"https://iso-week.gumballtools.com/api/mcp"}

Tools

• run ~658 tokens
  Converts between calendar dates and ISO 8601 week numbers, in either direction, and reports how many weeks an ISO year has. Use this whenever a date needs to be expressed as a week number, or a week number needs to be turned back into a date — sprint planning, report periods, "week 37" style schedu

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