Search / com.gumballtools/iso-week
protogridR0· no sign-inISO 8601 week numbers: date to week, week to date, weeks-per-year.
v0.1.0 · active · repository · website · descriptor JSON · versions
{
"mcpServers": {
"iso-week": {
"type": "http",
"url": "https://iso-week.gumballtools.com/api/mcp"
}
}
}claude mcp add --transport http iso-week https://iso-week.gumballtools.com/api/mcp[mcp_servers.iso-week]
url = "https://iso-week.gumballtools.com/api/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"iso-week": {
"type": "remote",
"url": "https://iso-week.gumballtools.com/api/mcp",
"enabled": true
}
}
}{
"mcpServers": {
"iso-week": {
"type": "http",
"url": "https://iso-week.gumballtools.com/api/mcp"
}
},
"deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=iso-week&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vaXNvLXdlZWsuZ3VtYmFsbHRvb2xzLmNvbS9hcGkvbWNwIn0%3D"
}{
"servers": {
"iso-week": {
"type": "http",
"url": "https://iso-week.gumballtools.com/api/mcp"
}
}
}{
"mcpServers": {
"iso-week": {
"httpUrl": "https://iso-week.gumballtools.com/api/mcp"
}
}
}extensions:
"iso-week":
enabled: true
name: "iso-week"
type: streamable_http
uri: "https://iso-week.gumballtools.com/api/mcp"
timeout: 300
protocol.modernsupports 2026-07-28 (server/discover)protocol.statelessanswers without a sessionprotocol.transportstreamable HTTPprotocol.list_ttltools/list declares ttlMs 0, so clients re-fetch it on every useauth.prm, auth.as_metadata, auth.cimdno remote uses OAuthauth.secret_in_urlno templated URLtools.descriptionsevery tool has a descriptiontools.description_length1 tools have descriptions over 1,024 characters, which crowds the contexttools.schemasevery tool has an object input schematools.annotations1 of 1 tools declare readOnlyHint or destructiveHinttools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: run (destructiveHint, idempotentHint)tools.token_costabout 569 tokens to load every tooltools.api_dumptools are not a one-to-one API dumpstability.changesno tool changes in 30 daysstability.rug_pullno tool changed its meaning under the same namedeps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI packageNo tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.
Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.
+repository +dns-namespace +website +reachable +uptime-100% ~updated-44d-ago -duplicate-repo(16 names)
Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.
| remote | auth | reachable | uptime 30d | p50 | protocol | last ok |
|---|---|---|---|---|---|---|
https://iso-week.gumballtools.com/api/mcp streamable-http | none | yes | 100% | 837 ms | 2026-07-28 | 2026-10-20 |
runread-only | 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 scheduling, or reconciling two systems that disagree about what week it is. DO NOT compute this yourself with day-of-year divided by 7. ISO 8601 week 1 is defined as the week (Monday-Sunday) containing the year's first Thursday, not the week containing January 1st. This has two consequences that are easy to get wrong from memory: late-December dates can belong to ISO week 1 of the NEXT calendar year, and early-January dates can belong to ISO week 52 or 53 of the PREVIOUS calendar year. A year has 53 ISO weeks (not the usual 52) exactly when January 1 is a Thursday, or the year is a leap year and January 1 is a Wednesday — a rule nobody carries around, and getting it wrong produces a plausible-looking but incorrect week number with no visible sign of the error. Input is a single string, and the shape of the string picks the operation: "2027-01-01" a calendar date (YYYY-MM-DD) -> returns its ISO year, week, and weekday "2026-W53" an ISO week, no weekday given -> returns the Monday of that week "2026-W53-5" an ISO week and weekday (1-7, Mon-Sun) -> returns that exact date "2026" a bare 4-digit year -> returns whether it has 52 or 53 ISO weeks Refuses rather than guesses: slash-separated dates like "03/04/2025" are rejected as ambiguous (month/day vs day/month), two-digit years are rejected as a guess, invalid calendar dates (Feb 30) are rejected, and a week number beyond what that ISO year actually has (e.g. week 53 of a 52-week year) is rejected and told how many weeks that year has. |
Schemas: list_tools.
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{
"name": "com.gumballtools/iso-week",
"title": "ISO Week Number",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://iso-week.gumballtools.com/api/mcp",
"type": "streamable-http"
}
],
"version": "0.1.0",
"repository": {
"url": "https://github.com/bwalvoord/gumball",
"source": "github"
},
"websiteUrl": "https://iso-week.gumballtools.com",
"description": "ISO 8601 week numbers: date to week, week to date, weeks-per-year."
}