--- title: Skills url: https://platform.claude.com/docs/en/api/go/skills --- # Skills ## Create Skill `client.Skills.New(ctx, params) (*Skill, error)` **POST** `/v1/skills` Create Skill ### Parameters - `params SkillNewParams` - `Files []Reader` 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. - `DisplayName param.Opt[string] Optional` 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. - `WorkspaceID param.Opt[string] Optional` (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 - `type Skill` - `Type Skill` Object type. For Skills, this is always `"skill"`. default: skill - `ID string` Unique identifier for the skill. The format and length of IDs may change over time. - `CreatedAt Time` ISO 8601 timestamp of when the skill was created. format: date-time - `DisplayName string` 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. - `LatestVersionID string` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `Source SkillSource` 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 SkillSourceType` 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 - `const SkillSourceTypeCustom SkillSourceType = "custom"` - `const SkillSourceTypeAnthropic SkillSourceType = "anthropic"` - `const SkillSourceTypeAnthropicExample SkillSourceType = "anthropic_example"` - `const SkillSourceTypePlugin SkillSourceType = "plugin"` - `UpdatedAt Time` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Example ```go package main import ( "bytes" "context" "fmt" "io" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) skill, err := client.Skills.New(context.TODO(), anthropic.SkillNewParams{ Files: []io.Reader{io.Reader(bytes.NewBuffer([]byte("Example data")))}, }) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", 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" } ``` ## List Skills `client.Skills.List(ctx, params) (*PageCursor[Skill], error)` **GET** `/v1/skills` List Skills ### Parameters - `params SkillListParams` - `Limit param.Opt[int64] Optional` (query parameter) Number of results to return per page. Ranges from `1` to `1000`. Defaults to `20`. minimum: 1, maximum: 1000 - `Page param.Opt[string] Optional` (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. - `Source param.Opt[string] Optional` (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 - `WorkspaceID param.Opt[string] Optional` (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 - `type Skill` - `Type Skill` Object type. For Skills, this is always `"skill"`. default: skill - `ID string` Unique identifier for the skill. The format and length of IDs may change over time. - `CreatedAt Time` ISO 8601 timestamp of when the skill was created. format: date-time - `DisplayName string` 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. - `LatestVersionID string` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `Source SkillSource` 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 SkillSourceType` 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 - `const SkillSourceTypeCustom SkillSourceType = "custom"` - `const SkillSourceTypeAnthropic SkillSourceType = "anthropic"` - `const SkillSourceTypeAnthropicExample SkillSourceType = "anthropic_example"` - `const SkillSourceTypePlugin SkillSourceType = "plugin"` - `UpdatedAt Time` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Example ```go package main import ( "context" "fmt" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) page, err := client.Skills.List(context.TODO(), anthropic.SkillListParams{}) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", page) } ``` #### 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 `client.Skills.Get(ctx, skillID, query) (*Skill, error)` **GET** `/v1/skills/{skill_id}` Get Skill ### Parameters - `skillID string` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `query SkillGetParams` - `WorkspaceID param.Opt[string] Optional` (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 - `type Skill` - `Type Skill` Object type. For Skills, this is always `"skill"`. default: skill - `ID string` Unique identifier for the skill. The format and length of IDs may change over time. - `CreatedAt Time` ISO 8601 timestamp of when the skill was created. format: date-time - `DisplayName string` 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. - `LatestVersionID string` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `Source SkillSource` 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 SkillSourceType` 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 - `const SkillSourceTypeCustom SkillSourceType = "custom"` - `const SkillSourceTypeAnthropic SkillSourceType = "anthropic"` - `const SkillSourceTypeAnthropicExample SkillSourceType = "anthropic_example"` - `const SkillSourceTypePlugin SkillSourceType = "plugin"` - `UpdatedAt Time` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Example ```go package main import ( "context" "fmt" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) skill, err := client.Skills.Get( context.TODO(), "skill_id", anthropic.SkillGetParams{}, ) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", 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 `client.Skills.Delete(ctx, skillID, body) (*DeletedSkill, error)` **DELETE** `/v1/skills/{skill_id}` Delete Skill ### Parameters - `skillID string` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `body SkillDeleteParams` - `WorkspaceID param.Opt[string] Optional` (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 - `type DeletedSkill` - `Type SkillDeleted` Deleted object type. For Skills, this is always `"skill_deleted"`. default: skill_deleted - `ID string` Unique identifier for the skill. The format and length of IDs may change over time. ### Example ```go package main import ( "context" "fmt" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) deletedSkill, err := client.Skills.Delete( context.TODO(), "skill_id", anthropic.SkillDeleteParams{}, ) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", deletedSkill.ID) } ``` #### Response (200) ```json { "id": "skill_01JAbcdefghijklmnopqrstuvw", "type": "skill_deleted" } ``` ## Domain types ### Deleted Skill - `type DeletedSkill` - `Type SkillDeleted` Deleted object type. For Skills, this is always `"skill_deleted"`. default: skill_deleted - `ID string` Unique identifier for the skill. The format and length of IDs may change over time. ### Skill - `type Skill` - `Type Skill` Object type. For Skills, this is always `"skill"`. default: skill - `ID string` Unique identifier for the skill. The format and length of IDs may change over time. - `CreatedAt Time` ISO 8601 timestamp of when the skill was created. format: date-time - `DisplayName string` 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. - `LatestVersionID string` ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version. - `Source SkillSource` 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 SkillSourceType` 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 - `const SkillSourceTypeCustom SkillSourceType = "custom"` - `const SkillSourceTypeAnthropic SkillSourceType = "anthropic"` - `const SkillSourceTypeAnthropicExample SkillSourceType = "anthropic_example"` - `const SkillSourceTypePlugin SkillSourceType = "plugin"` - `UpdatedAt Time` ISO 8601 timestamp of when the skill was last updated. format: date-time ### Skill Source - `type SkillSource` - `Type SkillSourceType` 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 - `const SkillSourceTypeCustom SkillSourceType = "custom"` - `const SkillSourceTypeAnthropic SkillSourceType = "anthropic"` - `const SkillSourceTypeAnthropicExample SkillSourceType = "anthropic_example"` - `const SkillSourceTypePlugin SkillSourceType = "plugin"` ## Skills › Versions ### Create Skill Version `client.Skills.Versions.New(ctx, skillID, params) (*SkillVersion, error)` **POST** `/v1/skills/{skill_id}/versions` Create Skill Version #### Parameters - `skillID string` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `params SkillVersionNewParams` - `Files []Reader` 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. - `WorkspaceID param.Opt[string] Optional` (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 - `type SkillVersion` - `Type SkillVersion` Object type. For Skill Versions, this is always `"skill_version"`. default: skill_version - `ID string` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. - `CreatedAt Time` ISO 8601 timestamp of when the skill was created. format: date-time - `Description string` Description of the skill version. This is extracted from the SKILL.md file in the skill upload. - `Name string` 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. - `SkillID string` Unique identifier for the skill. The format and length of IDs may change over time. #### Example ```go package main import ( "bytes" "context" "fmt" "io" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) skillVersion, err := client.Skills.Versions.New( context.TODO(), "skill_id", anthropic.SkillVersionNewParams{ Files: []io.Reader{io.Reader(bytes.NewBuffer([]byte("Example data")))}, }, ) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", skillVersion.ID) } ``` ##### 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 `client.Skills.Versions.List(ctx, skillID, params) (*PageCursor[SkillVersion], error)` **GET** `/v1/skills/{skill_id}/versions` List Skill Versions #### Parameters - `skillID string` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `params SkillVersionListParams` - `Limit param.Opt[int64] Optional` (query parameter) Number of results to return per page. Ranges from `1` to `1000`. Defaults to `20`. minimum: 1, maximum: 1000 - `Page param.Opt[string] Optional` (query parameter) Optionally set to the `next_page` token from the previous response. - `WorkspaceID param.Opt[string] Optional` (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 - `type SkillVersion` - `Type SkillVersion` Object type. For Skill Versions, this is always `"skill_version"`. default: skill_version - `ID string` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. - `CreatedAt Time` ISO 8601 timestamp of when the skill was created. format: date-time - `Description string` Description of the skill version. This is extracted from the SKILL.md file in the skill upload. - `Name string` 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. - `SkillID string` Unique identifier for the skill. The format and length of IDs may change over time. #### Example ```go package main import ( "context" "fmt" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) page, err := client.Skills.Versions.List( context.TODO(), "skill_id", anthropic.SkillVersionListParams{}, ) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", page) } ``` ##### 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 `client.Skills.Versions.Get(ctx, version, params) (*SkillVersion, error)` **GET** `/v1/skills/{skill_id}/versions/{version}` Get Skill Version #### Parameters - `version string` (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"). - `params SkillVersionGetParams` - `SkillID string` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `WorkspaceID param.Opt[string] Optional` (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 - `type SkillVersion` - `Type SkillVersion` Object type. For Skill Versions, this is always `"skill_version"`. default: skill_version - `ID string` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. - `CreatedAt Time` ISO 8601 timestamp of when the skill was created. format: date-time - `Description string` Description of the skill version. This is extracted from the SKILL.md file in the skill upload. - `Name string` 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. - `SkillID string` Unique identifier for the skill. The format and length of IDs may change over time. #### Example ```go package main import ( "context" "fmt" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) skillVersion, err := client.Skills.Versions.Get( context.TODO(), "version", anthropic.SkillVersionGetParams{ SkillID: "skill_id", }, ) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", skillVersion.ID) } ``` ##### 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 `client.Skills.Versions.Delete(ctx, version, params) (*DeletedSkillVersion, error)` **DELETE** `/v1/skills/{skill_id}/versions/{version}` Delete Skill Version #### Parameters - `version string` (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"). - `params SkillVersionDeleteParams` - `SkillID string` (path parameter) Unique identifier for the skill. The format and length of IDs may change over time. - `WorkspaceID param.Opt[string] Optional` (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 - `type DeletedSkillVersion` - `Type SkillVersionDeleted` Deleted object type. For Skill Versions, this is always `"skill_version_deleted"`. default: skill_version_deleted - `ID string` Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references. #### Example ```go package main import ( "context" "fmt" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) deletedSkillVersion, err := client.Skills.Versions.Delete( context.TODO(), "version", anthropic.SkillVersionDeleteParams{ SkillID: "skill_id", }, ) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", deletedSkillVersion.ID) } ``` ##### Response (200) ```json { "id": "id", "type": "skill_version_deleted" } ```