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Sweep 28 Aug 2026 · 16:06Z Build v2.1.251 479 read Stable v2.1.236 Latest v2.1.251 Next v2.1.251 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

Skills

api/beta/skills

first seen The page's own history The capture it came from

Nearest release: v2.1.245, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

api/beta/skills Changed · +126 / -245 lines

### Headers ### Body parameters (form-data) #### Response (200) ### Query parameters ### Headers #### Response (200) ### Path parameters ### Headers #### Response (200) ### Path parameters ### Headers #### Response (200) ## Domain types ## Skills › Versions ### Create Skill Version #### Path parameters #### Headers #### Body parameters (form-data) #### Returns #### Example ##### Response (200) ### List Skill Versions #### Path parameters #### Query parameters #### Headers #### Returns #### Example ##### Response (200) ### Download Skill Version Content #### Path parameters #### Headers #### Example ### Get Skill Version #### Path parameters #### Headers #### Returns #### Example ##### Response (200) ### Delete Skill Version #### Path parameters #### Headers #### Returns #### Example ##### Response (200) ### Header Parameters #### Response ### Query Parameters ### Header Parameters #### Response ### Path Parameters ### Header Parameters #### Response ### Path Parameters ### Header Parameters #### Response ## Domain Types # Versions ## Create Skill Version ### Path Parameters ### Header Parameters #### Response ## List Skill Versions ### Path Parameters ### Query Parameters ### Header Parameters #### Response ## Download Skill Version Content ### Path Parameters ### Header Parameters ## Get Skill Version ### Path Parameters ### Header Parameters #### Response ## Delete Skill Version ### Path Parameters ### Header Parameters #### Response ## Domain Types ### Version Create Response ### Version List Response ### Version Retrieve Response ### Version Delete Response

from line 1
----
-title: Skills
-url: https://platform.claude.com/docs/en/api/beta/skills
----
-
 # Skills
 
 ## Create Skill
 
-**post** `/v1/skills`
+**POST** `/v1/skills`
 
 Create Skill
 
-### Header Parameters
+### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 84
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
+### Body parameters (form-data)
+
+- `files: array of string`
+
+  Files to upload for the skill.
+
+  All files must be in the same top-level directory and must include a SKILL.md file at the root of that directory.
+
+- `display_title: optional string or null`
+
+  Display title for the skill.
+
+  This is a human-readable label that is not included in the prompt sent to the model.
+
 ### Returns
 
 - `id: string`
from line 137
 
   For Skills, this is always `"skill"`.
 
+  default: skill
+
 - `updated_at: string`
 
   ISO 8601 timestamp of when the skill was last updated.
from line 145
 
 ### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills \
     -H 'Content-Type: multipart/form-data' \
     -H 'anthropic-version: 2023-06-01' \
from line 154
     -F files='["Example data"]'
 ```
 
-#### Response
+#### Response (200)
 
 ```json
 {
from line 170
 
 ## List Skills
 
-**get** `/v1/skills`
+**GET** `/v1/skills`
 
 List Skills
 
-### Query Parameters
+### Query parameters
 
 - `limit: optional number`
 
from line 182
 
   Maximum value is 100. Defaults to 20.
 
+  default: 20
+
 - `page: optional string`
 
   Pagination token for fetching a specific page of results.
from line 199
   * `"custom"`: only return user-created skills
   * `"anthropic"`: only return Anthropic-created skills
 
-### Header Parameters
+### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 279
 
 ### Returns
 
-- `data: array of object { id, created_at, display_title, 4 more }`
+- `data: array of object`
 
   List of skills.
 
from line 320
 
     For Skills, this is always `"skill"`.
 
+    default: skill
+
   - `updated_at: string`
 
     ISO 8601 timestamp of when the skill was last updated.
from line 340
 
 ### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills \
     -H 'anthropic-version: 2023-06-01' \
     -H 'anthropic-beta: skills-2025-10-02' \
from line 347
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+#### Response (200)
 
 ```json
 {
from line 369
 
 ## Get Skill
 
-**get** `/v1/skills/{skill_id}`
+**GET** `/v1/skills/{skill_id}`
 
 Get Skill
 
-### Path Parameters
+### Path parameters
 
 - `skill_id: string`
 
from line 381
 
   The format and length of IDs may change over time.
 
-### Header Parameters
+### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 498
 
   For Skills, this is always `"skill"`.
 
+  default: skill
+
 - `updated_at: string`
 
   ISO 8601 timestamp of when the skill was last updated.
from line 506
 
 ### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills/$SKILL_ID \
     -H 'anthropic-version: 2023-06-01' \
     -H 'anthropic-beta: skills-2025-10-02' \
from line 513
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+#### Response (200)
 
 ```json
 {
from line 529
 
 ## Delete Skill
 
-**delete** `/v1/skills/{skill_id}`
+**DELETE** `/v1/skills/{skill_id}`
 
 Delete Skill
 
-### Path Parameters
+### Path parameters
 
 - `skill_id: string`
 
from line 541
 
   The format and length of IDs may change over time.
 
-### Header Parameters
+### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 633
 
   For Skills, this is always `"skill_deleted"`.
 
+  default: skill_deleted
+
 ### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills/$SKILL_ID \
     -X DELETE \
     -H 'anthropic-version: 2023-06-01' \
from line 645
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+#### Response (200)
 
 ```json
 {
from line 654
 }
 ```
 
-## Domain Types
+## Domain types
 
 ### Skill Create Response
 
-- `SkillCreateResponse object { id, created_at, display_title, 4 more }`
+- `SkillCreateResponse object`
 
   - `id: string`
 
from line 697
 
     For Skills, this is always `"skill"`.
 
+    default: skill
+
   - `updated_at: string`
 
     ISO 8601 timestamp of when the skill was last updated.
from line 705
 
 ### Skill List Response
 
-- `SkillListResponse object { id, created_at, display_title, 4 more }`
+- `SkillListResponse object`
 
   - `id: string`
 
from line 744
 
     For Skills, this is always `"skill"`.
 
+    default: skill
+
   - `updated_at: string`
 
     ISO 8601 timestamp of when the skill was last updated.
from line 752
 
 ### Skill Retrieve Response
 
-- `SkillRetrieveResponse object { id, created_at, display_title, 4 more }`
+- `SkillRetrieveResponse object`
 
   - `id: string`
 
from line 791
 
     For Skills, this is always `"skill"`.
 
+    default: skill
+
   - `updated_at: string`
 
     ISO 8601 timestamp of when the skill was last updated.
from line 799
 
 ### Skill Delete Response
 
-- `SkillDeleteResponse object { id, type }`
+- `SkillDeleteResponse object`
 
   - `id: string`
 
from line 813
 
     For Skills, this is always `"skill_deleted"`.
 
-# Versions
+    default: skill_deleted
 
-## Create Skill Version
+## Skills  Versions
 
-**post** `/v1/skills/{skill_id}/versions`
+### Create Skill Version
 
+**POST** `/v1/skills/{skill_id}/versions`
+
 Create Skill Version
 
-### Path Parameters
+#### Path parameters
 
 - `skill_id: string`
 
from line 831
 
   The format and length of IDs may change over time.
 
-### Header Parameters
+#### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 909
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Returns
+#### Body parameters (form-data)
 
+- `files: array of string`
+
+  Files to upload for the skill.
+
+  All files must be in the same top-level directory and must include a SKILL.md file at the root of that directory.
+
+#### Returns
+
 - `id: string`
 
   Unique identifier for the skill version.
from line 957
 
   For Skill Versions, this is always `"skill_version"`.
 
+  default: skill_version
+
 - `version: string`
 
   Version identifier for the skill.
from line 965
 
   Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
 
-### Example
+#### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills/$SKILL_ID/versions \
     -H 'Content-Type: multipart/form-data' \
     -H 'anthropic-version: 2023-06-01' \
from line 976
     -F files='["Example data"]'
 ```
 
-#### Response
+##### Response (200)
 
 ```json
 {
from line 991
 }
 ```
 
-## List Skill Versions
+### List Skill Versions
 
-**get** `/v1/skills/{skill_id}/versions`
+**GET** `/v1/skills/{skill_id}/versions`
 
 List Skill Versions
 
-### Path Parameters
+#### Path parameters
 
 - `skill_id: string`
 
from line 1005
 
   The format and length of IDs may change over time.
 
-### Query Parameters
+#### Query parameters
 
 - `limit: optional number`
 
from line 1017
 
   Optionally set to the `next_page` token from the previous response.
 
-### Header Parameters
+#### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 1095
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Returns
+#### Returns
 
-- `data: array of object { id, created_at, description, 5 more }`
+- `data: array of object`
 
   List of skill versions.
 
from line 1139
 
     For Skill Versions, this is always `"skill_version"`.
 
+    default: skill_version
+
   - `version: string`
 
     Version identifier for the skill.
from line 1155
 
   Token to provide in as `page` in the subsequent request to retrieve the next page of data.
 
-### Example
+#### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills/$SKILL_ID/versions \
     -H 'anthropic-version: 2023-06-01' \
     -H 'anthropic-beta: skills-2025-10-02' \
from line 1164
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+##### Response (200)
 
 ```json
 {
from line 1185
 }
 ```
 
-## Download Skill Version Content
+### Download Skill Version Content
 
-**get** `/v1/skills/{skill_id}/versions/{version}/content`
+**GET** `/v1/skills/{skill_id}/versions/{version}/content`
 
 Download a skill version's content as a zip archive.
 
-### Path Parameters
+#### Path parameters
 
 - `skill_id: string`
 
from line 1205
 
   Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
 
-### Header Parameters
+#### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 1283
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Example
+#### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills/$SKILL_ID/versions/$VERSION/content \
     -H 'anthropic-version: 2023-06-01' \
     -H 'anthropic-beta: skills-2025-10-02' \
from line 1292
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-## Get Skill Version
+### Get Skill Version
 
-**get** `/v1/skills/{skill_id}/versions/{version}`
+**GET** `/v1/skills/{skill_id}/versions/{version}`
 
 Get Skill Version
 
-### Path Parameters
+#### Path parameters
 
 - `skill_id: string`
 
from line 1312
 
   Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
 
-### Header Parameters
+#### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 1390
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Returns
+#### Returns
 
 - `id: string`
 
from line 1430
 
   For Skill Versions, this is always `"skill_version"`.
 
+  default: skill_version
+
 - `version: string`
 
   Version identifier for the skill.
from line 1438
 
   Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
 
-### Example
+#### Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/skills/$SKILL_ID/versions/$VERSION \
     -H 'anthropic-version: 2023-06-01' \
     -H 'anthropic-beta: skills-2025-10-02' \
from line 1447
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+##### Response (200)
 
 ```json
 {
from line 1462
 }
 ```
 
-## Delete Skill Version
+### Delete Skill Version
 
-**delete** `/v1/skills/{skill_id}/versions/{version}`
+**DELETE** `/v1/skills/{skill_id}/versions/{version}`
 
 Delete Skill Version
 
-### Path Parameters
+#### Path parameters
 
 - `skill_id: string`
 
from line 1482
 
   Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
 
-### Header Parameters
+#### Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 1560
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Returns
+#### Returns
 
 - `id: string`
 
from line 1574
 
   For Skill Versions, this is always `"skill_version_deleted"`.
 
-### Example
+  default: skill_version_deleted
 
-```http
+#### Example
+
+```bash
 curl https://api.anthropic.com/v1/skills/$SKILL_ID/versions/$VERSION \
     -X DELETE \
     -H 'anthropic-version: 2023-06-01' \
from line 1586
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+##### Response (200)
 
 ```json
 {
from line 1594
   "type": "type"
 }
 ```
-
-## Domain Types
-
-### Version Create Response
-
-- `VersionCreateResponse object { id, created_at, description, 5 more }`
-
-  - `id: string`
-
-    Unique identifier for the skill version.
-
-    The format and length of IDs may change over time.
-
-  - `created_at: string`
-
-    ISO 8601 timestamp of when the skill version was created.
-
-  - `description: string`
-
-    Description of the skill version.
-
-    This is extracted from the SKILL.md file in the skill upload.
-
-  - `directory: string`
-
-    Directory name of the skill version.
-
-    This is the top-level directory name that was extracted from the uploaded files.
-
-  - `name: string`
-
-    Human-readable name of the skill version.
-
-    This is extracted from the SKILL.md file in the skill upload.
-
-  - `skill_id: string`
-
-    Identifier for the skill that this version belongs to.
-
-  - `type: string`
-
-    Object type.
-
-    For Skill Versions, this is always `"skill_version"`.
-
-  - `version: string`
-
-    Version identifier for the skill.
-
-    Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
-
-### Version List Response
-
-- `VersionListResponse object { id, created_at, description, 5 more }`
-
-  - `id: string`
-
-    Unique identifier for the skill version.
-
-    The format and length of IDs may change over time.
-
-  - `created_at: string`
-
-    ISO 8601 timestamp of when the skill version was created.
-
-  - `description: string`
-
-    Description of the skill version.
-
-    This is extracted from the SKILL.md file in the skill upload.
-
-  - `directory: string`
-
-    Directory name of the skill version.
-
-    This is the top-level directory name that was extracted from the uploaded files.
-
-  - `name: string`
-
-    Human-readable name of the skill version.
-
-    This is extracted from the SKILL.md file in the skill upload.
-
-  - `skill_id: string`
-
-    Identifier for the skill that this version belongs to.
-
-  - `type: string`
-
-    Object type.
-
-    For Skill Versions, this is always `"skill_version"`.
-
-  - `version: string`
-
-    Version identifier for the skill.
-
-    Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
-
-### Version Retrieve Response
-
-- `VersionRetrieveResponse object { id, created_at, description, 5 more }`
-
-  - `id: string`
-
-    Unique identifier for the skill version.
-
-    The format and length of IDs may change over time.
-
-  - `created_at: string`
-
-    ISO 8601 timestamp of when the skill version was created.
-
-  - `description: string`
-
-    Description of the skill version.
-
-    This is extracted from the SKILL.md file in the skill upload.
-
-  - `directory: string`
-
-    Directory name of the skill version.
-
-    This is the top-level directory name that was extracted from the uploaded files.
-
-  - `name: string`
-
-    Human-readable name of the skill version.
-
-    This is extracted from the SKILL.md file in the skill upload.
-
-  - `skill_id: string`
-
-    Identifier for the skill that this version belongs to.
-
-  - `type: string`
-
-    Object type.
-
-    For Skill Versions, this is always `"skill_version"`.
-
-  - `version: string`
-
-    Version identifier for the skill.
-
-    Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
-
-### Version Delete Response
-
-- `VersionDeleteResponse object { id, type }`
-
-  - `id: string`
-
-    Version identifier for the skill.
-
-    Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").
-
-  - `type: string`
-
-    Deleted object type.
-
-    For Skill Versions, this is always `"skill_version_deleted"`.