# What is "mdc:" link schema?

**URL:** <https://forum.cursor.com/t/what-is-mdc-link-schema/60381>\
**Category:** Help\
**Created:** [March 6, 2025, 4:58pm UTC](https://forum.cursor.com/t/what-is-mdc-link-schema/60381 "2025-03-06T16:58:42Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Agnos](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/agnos/32/2183_2.png) [@Agnos](https://forum.cursor.com/u/Agnos)\
**Post date:** [March 6, 2025, 4:58pm UTC](https://forum.cursor.com/t/what-is-mdc-link-schema/60381/1 "2025-03-06T16:58:42Z")

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What is `mdc:` link schema in Cursor?  
Not `.mdc` file, but `mdc:` link schema in `.mdc` rule files. For example: `[filename](mdc:filename)` syntax.  
I’m just trying to understand why this prefix can’t be dispensed with?  
And that it has one problem - it breaks the URL of the link.

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**Author:** ![tormi](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/tormi/32/44452_2.png) [@tormi](https://forum.cursor.com/u/tormi)\
**Post date:** [April 5, 2025, 3:53pm UTC](https://forum.cursor.com/t/what-is-mdc-link-schema/60381/2 "2025-04-05T15:53:43Z")

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I have similar problems - this kind of override keeps popping up automatically and breaking links.

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**Author:** ![tormi](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/tormi/32/44452_2.png) [@tormi](https://forum.cursor.com/u/tormi)\
**Post date:** [April 7, 2025, 8:25am UTC](https://forum.cursor.com/t/what-is-mdc-link-schema/60381/3 "2025-04-07T08:25:53Z")

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Here is an example of a broken URL caused by a Cursor in a `*.mdc` file:

```auto
- **Detail Planning (Detailplaneeringud)**: [https://gis.sauevald.ee/arcgis/rest/services/Detailplaneeringud](mdc:https:/gis.sauevald.ee/arcgis/rest/services/Detailplaneeringud)

```

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**Author:** ![tormi](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/tormi/32/44452_2.png) [@tormi](https://forum.cursor.com/u/tormi)\
**Post date:** [April 7, 2025, 8:33am UTC](https://forum.cursor.com/t/what-is-mdc-link-schema/60381/4 "2025-04-07T08:33:40Z")

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I created a bug report: [Cursor Incorrectly Modifies URLs in .mdc Files by Adding 'mdc:' Prefix](https://forum.cursor.com/t/cursor-incorrectly-modifies-urls-in-mdc-files-by-adding-mdc-prefix/76041/1)

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**Author:** ![system](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/system/32/99069_2.png) [@system](https://forum.cursor.com/u/system)\
**Post date:** [June 18, 2026, 10:37am UTC](https://forum.cursor.com/t/what-is-mdc-link-schema/60381/5 "2026-06-18T10:37:17Z")

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