--- title: Skills url: https://platform.claude.com/docs/en/api/java/skills --- # Skills ## Create Skill `Skill skills().create(params, requestOptions = RequestOptions.none())` **POST** `/v1/skills` Create Skill ### Parameters - `SkillCreateParams params` - `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. - `Optional displayName` Human-readable, single-line label for the Skill. Maximum 255 characters. Always set: derived from the SKILL.md frontmatter `name` when omitted at creation. Not unique. ### Returns - `class Skill` - `JsonValue type = "skill"` Object type. For Skills, this is always `"skill"`. - `String id` Unique identifier for the skill. The format and length of IDs may change over time. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String displayName` Human-readable, single-line label for the Skill. Maximum 255 characters. Always set: derived from the SKILL.md frontmatter `name` when omitted at creation. Not unique. - `String latestVersionId` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `SkillSource source` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `Type type` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `CUSTOM("custom")` - `ANTHROPIC("anthropic")` - `ANTHROPIC_EXAMPLE("anthropic_example")` - `PLUGIN("plugin")` - `LocalDateTime updatedAt` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.skills.Skill; import com.anthropic.models.skills.SkillCreateParams; import java.io.ByteArrayInputStream; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); SkillCreateParams params = SkillCreateParams.builder() .addFile(new ByteArrayInputStream("Example data".getBytes())) .build(); Skill skill = client.skills().create(params); } } ``` #### Response (200) ```json { "id": "skill_01JAbcdefghijklmnopqrstuvw", "created_at": "2024-10-30T23:58:27.427722Z", "display_name": "display_name", "latest_version_id": "latest_version_id", "source": { "type": "custom" }, "type": "skill", "updated_at": "2024-10-30T23:58:27.427722Z" } ``` ## List Skills `SkillListPage skills().list(params = SkillListParams.none(), requestOptions = RequestOptions.none())` **GET** `/v1/skills` List Skills ### Parameters - `SkillListParams params` - `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) Pagination token for fetching a specific page of results. Pass the value from a previous response's `next_page` field to get the next page of results. - `Optional source` (query parameter) Filter skills by source. If provided, only skills from the specified source will be returned: * `"custom"`: only return user-created skills * `"anthropic"`: only return Anthropic-created skills - `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 Skill` - `JsonValue type = "skill"` Object type. For Skills, this is always `"skill"`. - `String id` Unique identifier for the skill. The format and length of IDs may change over time. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String displayName` Human-readable, single-line label for the Skill. Maximum 255 characters. Always set: derived from the SKILL.md frontmatter `name` when omitted at creation. Not unique. - `String latestVersionId` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `SkillSource source` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `Type type` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `CUSTOM("custom")` - `ANTHROPIC("anthropic")` - `ANTHROPIC_EXAMPLE("anthropic_example")` - `PLUGIN("plugin")` - `LocalDateTime updatedAt` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.skills.SkillListPage; import com.anthropic.models.skills.SkillListParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); SkillListPage page = client.skills().list(); } } ``` #### Response (200) ```json { "data": [ { "id": "skill_01JAbcdefghijklmnopqrstuvw", "created_at": "2024-10-30T23:58:27.427722Z", "display_name": "display_name", "latest_version_id": "latest_version_id", "source": { "type": "custom" }, "type": "skill", "updated_at": "2024-10-30T23:58:27.427722Z" } ], "next_page": "next_page" } ``` ## Get Skill `Skill skills().retrieve(params = SkillRetrieveParams.none(), requestOptions = RequestOptions.none())` **GET** `/v1/skills/{skill_id}` Get Skill ### Parameters - `SkillRetrieveParams 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. ### Returns - `class Skill` - `JsonValue type = "skill"` Object type. For Skills, this is always `"skill"`. - `String id` Unique identifier for the skill. The format and length of IDs may change over time. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String displayName` Human-readable, single-line label for the Skill. Maximum 255 characters. Always set: derived from the SKILL.md frontmatter `name` when omitted at creation. Not unique. - `String latestVersionId` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `SkillSource source` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `Type type` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `CUSTOM("custom")` - `ANTHROPIC("anthropic")` - `ANTHROPIC_EXAMPLE("anthropic_example")` - `PLUGIN("plugin")` - `LocalDateTime updatedAt` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.skills.Skill; import com.anthropic.models.skills.SkillRetrieveParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); Skill skill = client.skills().retrieve("skill_id"); } } ``` #### Response (200) ```json { "id": "skill_01JAbcdefghijklmnopqrstuvw", "created_at": "2024-10-30T23:58:27.427722Z", "display_name": "display_name", "latest_version_id": "latest_version_id", "source": { "type": "custom" }, "type": "skill", "updated_at": "2024-10-30T23:58:27.427722Z" } ``` ## Delete Skill `DeletedSkill skills().delete(params = SkillDeleteParams.none(), requestOptions = RequestOptions.none())` **DELETE** `/v1/skills/{skill_id}` Delete Skill ### Parameters - `SkillDeleteParams 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. ### Returns - `class DeletedSkill` - `JsonValue type = "skill_deleted"` Deleted object type. For Skills, this is always `"skill_deleted"`. - `String id` 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.DeletedSkill; import com.anthropic.models.skills.SkillDeleteParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); DeletedSkill deletedSkill = client.skills().delete("skill_id"); } } ``` #### Response (200) ```json { "id": "skill_01JAbcdefghijklmnopqrstuvw", "type": "skill_deleted" } ``` ## Domain types ### Deleted Skill - `class DeletedSkill` - `JsonValue type = "skill_deleted"` Deleted object type. For Skills, this is always `"skill_deleted"`. - `String id` Unique identifier for the skill. The format and length of IDs may change over time. ### Skill - `class Skill` - `JsonValue type = "skill"` Object type. For Skills, this is always `"skill"`. - `String id` Unique identifier for the skill. The format and length of IDs may change over time. - `LocalDateTime createdAt` ISO 8601 timestamp of when the skill was created. format: date-time - `String displayName` Human-readable, single-line label for the Skill. Maximum 255 characters. Always set: derived from the SKILL.md frontmatter `name` when omitted at creation. Not unique. - `String latestVersionId` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `SkillSource source` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `Type type` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `CUSTOM("custom")` - `ANTHROPIC("anthropic")` - `ANTHROPIC_EXAMPLE("anthropic_example")` - `PLUGIN("plugin")` - `LocalDateTime updatedAt` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Skill Source - `class SkillSource` - `Type type` Where the Skill comes from. Possible values: * `"custom"`: authored by the platform user; private to their workspace * `"anthropic"`: published by Anthropic; shared and read-only * `"anthropic_example"`: Anthropic-published sample Skill * `"plugin"`: resolved from an installed plugin - `CUSTOM("custom")` - `ANTHROPIC("anthropic")` - `ANTHROPIC_EXAMPLE("anthropic_example")` - `PLUGIN("plugin")` ## Skills › 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" } ```