Skills changedextensions/skills/overview
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1212[implementations list](https://github.com/modelcontextprotocol/ext-skills/blob/main/docs/implementations.md)
1313for current coverage.
1414
15<Card title="modelcontextprotocol/ext-skills" icon="github" href="https://github.com/modelcontextprotocol/ext-skills">
16 Specification and documentation for Skills over MCP.
17</Card>
15> **[modelcontextprotocol/ext-skills](https://github.com/modelcontextprotocol/ext-skills)**
16>
17> Specification and documentation for Skills over MCP.
1818
1919The Skills extension allows MCP servers to expose workflow instructions and
2020supporting files to clients. Clients can discover available skills, retrieve
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6868indicates support without directory reading. Clients issue `skills/list` and
6969`skills/get` only after observing the server's declaration.
7070
71<Note>
72 These examples use protocol revision `2026-07-28` or later. For brevity, the
73 request examples omit `_meta`. Every request **MUST** include the required
74 [request metadata](/specification/draft/basic/index#_meta).
75</Note>
71> [!NOTE]
72>
73> These examples use protocol revision `2026-07-28` or later. For brevity, the
74> request examples omit `_meta`. Every request **MUST** include the required
75> [request metadata](/specification/draft/basic/index#_meta).
7676
7777## Protocol Messages
7878
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372372files from filesystem-skill discovery paths and preserve their MCP origin,
373373including after a restart.
374374
375<Note>
376 Digests establish consistency with the server's manifest, not trust in its
377 content. For generated content without stable digests, an entry uses
378 `"resources": "dynamic"`. Hosts **MAY** decline these skills. If accepted,
379 hosts **MUST** still verify frontmatter and **MUST NOT** treat persisted
380 approval as covering arbitrary future content.
381</Note>
375> [!NOTE]
376>
377> Digests establish consistency with the server's manifest, not trust in its
378> content. For generated content without stable digests, an entry uses
379> `"resources": "dynamic"`. Hosts **MAY** decline these skills. If accepted,
380> hosts **MUST** still verify frontmatter and **MUST NOT** treat persisted
381> approval as covering arbitrary future content.
382382
383383## Implementation Requirements
384384
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