--- title: Versions url: https://platform.claude.com/docs/en/api/java/skills/versions --- # Versions ## Create Skill Version `SkillVersion skills().versions().create(params, requestOptions = RequestOptions.none())` **POST** `/v1/skills/{skill_id}/versions` Create Skill Version ### Parameters - `VersionCreateParams params` - `Optional skillId` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `Optional workspaceId` (header parameter) Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace. - `List files` 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 - `class SkillVersion` - `JsonValue type = "skill_version"` Object type. For Skill Versions, this is always `"skill_version"`. - `String id` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String description` Description of the skill version. This is extracted from the SKILL.md file in the skill upload. - `String name` The Skill's immutable kebab-case slug, set at creation from the first upload's SKILL.md frontmatter `name` (or its enclosing directory). Every later upload must resolve to the same value. Also the top-level directory of the Skill's mounted files and the base name of a downloaded archive. - `String skillId` Unique identifier for the skill. The format and length of IDs may change over time. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.skills.versions.SkillVersion; import com.anthropic.models.skills.versions.VersionCreateParams; import java.io.ByteArrayInputStream; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); VersionCreateParams params = VersionCreateParams.builder() .skillId("skill_id") .addFile(new ByteArrayInputStream("Example data".getBytes())) .build(); SkillVersion skillVersion = client.skills().versions().create(params); } } ``` #### Response (200) ```json { "id": "id", "created_at": "2024-10-30T23:58:27.427722Z", "description": "description", "name": "name", "skill_id": "skill_01JAbcdefghijklmnopqrstuvw", "type": "skill_version" } ``` ## List Skill Versions `VersionListPage skills().versions().list(params = VersionListParams.none(), requestOptions = RequestOptions.none())` **GET** `/v1/skills/{skill_id}/versions` List Skill Versions ### Parameters - `VersionListParams params` - `Optional skillId` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `Optional limit` (query parameter) Number of results to return per page. Ranges from `1` to `1000`. Defaults to `20`. minimum: 1, maximum: 1000 - `Optional page` (query parameter) Optionally set to the `next_page` token from the previous response. - `Optional workspaceId` (header parameter) Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace. ### Returns - `class SkillVersion` - `JsonValue type = "skill_version"` Object type. For Skill Versions, this is always `"skill_version"`. - `String id` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String description` Description of the skill version. This is extracted from the SKILL.md file in the skill upload. - `String name` The Skill's immutable kebab-case slug, set at creation from the first upload's SKILL.md frontmatter `name` (or its enclosing directory). Every later upload must resolve to the same value. Also the top-level directory of the Skill's mounted files and the base name of a downloaded archive. - `String skillId` Unique identifier for the skill. The format and length of IDs may change over time. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.skills.versions.VersionListPage; import com.anthropic.models.skills.versions.VersionListParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); VersionListPage page = client.skills().versions().list("skill_id"); } } ``` #### Response (200) ```json { "data": [ { "id": "id", "created_at": "2024-10-30T23:58:27.427722Z", "description": "description", "name": "name", "skill_id": "skill_01JAbcdefghijklmnopqrstuvw", "type": "skill_version" } ], "next_page": "next_page" } ``` ## Get Skill Version `SkillVersion skills().versions().retrieve(params, requestOptions = RequestOptions.none())` **GET** `/v1/skills/{skill_id}/versions/{version}` Get Skill Version ### Parameters - `VersionRetrieveParams params` - `String skillId` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `Optional version` (path parameter) Identifies the skill version: a version ID, or the literal `latest` for the skill's most recent version. Requests carrying the `skills-2025-10-02` beta header address versions by their Unix epoch timestamp instead (e.g., "1759178010641129"). - `Optional workspaceId` (header parameter) Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace. ### Returns - `class SkillVersion` - `JsonValue type = "skill_version"` Object type. For Skill Versions, this is always `"skill_version"`. - `String id` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String description` Description of the skill version. This is extracted from the SKILL.md file in the skill upload. - `String name` The Skill's immutable kebab-case slug, set at creation from the first upload's SKILL.md frontmatter `name` (or its enclosing directory). Every later upload must resolve to the same value. Also the top-level directory of the Skill's mounted files and the base name of a downloaded archive. - `String skillId` Unique identifier for the skill. The format and length of IDs may change over time. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.skills.versions.SkillVersion; import com.anthropic.models.skills.versions.VersionRetrieveParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); VersionRetrieveParams params = VersionRetrieveParams.builder() .skillId("skill_id") .version("version") .build(); SkillVersion skillVersion = client.skills().versions().retrieve(params); } } ``` #### Response (200) ```json { "id": "id", "created_at": "2024-10-30T23:58:27.427722Z", "description": "description", "name": "name", "skill_id": "skill_01JAbcdefghijklmnopqrstuvw", "type": "skill_version" } ``` ## Delete Skill Version `DeletedSkillVersion skills().versions().delete(params, requestOptions = RequestOptions.none())` **DELETE** `/v1/skills/{skill_id}/versions/{version}` Delete Skill Version ### Parameters - `VersionDeleteParams params` - `String skillId` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `Optional version` (path parameter) Identifies the skill version by its version ID. Requests carrying the `skills-2025-10-02` beta header address versions by their Unix epoch timestamp instead (e.g., "1759178010641129"). - `Optional workspaceId` (header parameter) Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace. ### Returns - `class DeletedSkillVersion` - `JsonValue type = "skill_version_deleted"` Deleted object type. For Skill Versions, this is always `"skill_version_deleted"`. - `String id` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.skills.versions.DeletedSkillVersion; import com.anthropic.models.skills.versions.VersionDeleteParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); VersionDeleteParams params = VersionDeleteParams.builder() .skillId("skill_id") .version("version") .build(); DeletedSkillVersion deletedSkillVersion = client.skills().versions().delete(params); } } ``` #### Response (200) ```json { "id": "id", "type": "skill_version_deleted" } ``` ## Domain types ### Deleted Skill Version - `class DeletedSkillVersion` - `JsonValue type = "skill_version_deleted"` Deleted object type. For Skill Versions, this is always `"skill_version_deleted"`. - `String id` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. ### Skill Version - `class SkillVersion` - `JsonValue type = "skill_version"` Object type. For Skill Versions, this is always `"skill_version"`. - `String id` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String description` Description of the skill version. This is extracted from the SKILL.md file in the skill upload. - `String name` The Skill's immutable kebab-case slug, set at creation from the first upload's SKILL.md frontmatter `name` (or its enclosing directory). Every later upload must resolve to the same value. Also the top-level directory of the Skill's mounted files and the base name of a downloaded archive. - `String skillId` Unique identifier for the skill. The format and length of IDs may change over time.