MCP Servers

Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.

37,330 MCP servers

UTC ISO week-date

Active

UTC ISO week-date

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ISO week 01-53 band

Active

ISO week 01-53 band

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UTC Thursday of the current ISO week

Active

UTC Thursday of the current ISO week

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Whether current UTC year has 52 ISO weeks

Active

Whether current UTC year has 52 ISO weeks

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UTC ISO week-yearing year

Active

UTC ISO week-yearing year

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ISO year-week YYYY-Www

Active

ISO year-week YYYY-Www

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ISO-2022 ESC sequence count, input discarded

Active

ISO-2022 ESC sequence count, input discarded

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ISO 3166-1 alpha-2 shape

Active

ISO 3166-1 alpha-2 shape

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ISO 4217 currency shape

Active

ISO 4217 currency shape

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ISO 8601 datetime shape

Active

ISO 8601 datetime shape

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ISRC 12-char shape, value discarded

Active

ISRC 12-char shape, value discarded

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ISSN digit shape

Active

ISSN digit shape

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ISSN shape, value discarded

Active

ISSN shape, value discarded

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ISSN URN shape, value discarded

Active

ISSN URN shape, value discarded

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TICKET-123 issue key shape, value discarded

Active

TICKET-123 issue key shape, value discarded

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ISWC T- shape, value discarded

Active

ISWC T- shape, value discarded

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Japanese era year band

Active

Japanese era year band

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JATS article-id count, markup discarded

Active

JATS article-id count, markup discarded

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Julian day number band

Active

Julian day number band

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Julian Day integer band

Active

Julian Day integer band

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JDN modulo 7 weekday band

Active

JDN modulo 7 weekday band

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Julian Day Number integer band

Active

Julian Day Number integer band

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Jira Key Shape

Active

Check a Jira issue key shape. Key discarded.

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JOSE compact-part count, value discarded

Active

JOSE compact-part count, value discarded

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Joules to calories, number discarded

Active

Joules to calories, number discarded

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journald cursor shape, value discarded

Active

journald cursor shape, value discarded

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JPEG magic-byte check, file discarded

Active

JPEG magic-byte check, file discarded

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Japanese era year band

Active

Japanese era year band

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JS import count, source discarded

Active

JS import count, source discarded

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JS unicode-escape count, input discarded

Active

JS unicode-escape count, input discarded

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