Create Skill Version

BetaSkillVersion beta().skills().versions().create(, )

POST/v1/skills/{skill_id}/versions

Parameters

VersionCreateParams params

Optional<String> skillId

Unique identifier for the skill.

The format and length of IDs may change over time.

Optional<List<AnthropicBeta>> betas

Optional header to specify the beta version(s) you want to use.

MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")

PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")

COMPUTER_USE_2024_10_22("computer-use-2024-10-22")

COMPUTER_USE_2025_01_24("computer-use-2025-01-24")

PDFS_2024_09_25("pdfs-2024-09-25")

TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")

TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")

OUTPUT_128K_2025_02_19("output-128k-2025-02-19")

FILES_API_2025_04_14("files-api-2025-04-14")

MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")

MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")

DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")

INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")

CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")

EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")

CONTEXT_1M_2025_08_07("context-1m-2025-08-07")

CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")

MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")

SKILLS_2025_10_02("skills-2025-10-02")

FAST_MODE_2026_02_01("fast-mode-2026-02-01")

OUTPUT_300K_2026_03_24("output-300k-2026-03-24")

USER_PROFILES_2026_03_24("user-profiles-2026-03-24")

USER_PROFILES_2026_08_18("user-profiles-2026-08-18")

ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")

MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")

CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")

DREAMING_2026_04_21("dreaming-2026-04-21")

THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")

SERVER_SIDE_FALLBACK_2026_06_01("server-side-fallback-2026-06-01")

SERVER_SIDE_FALLBACK_2026_07_01("server-side-fallback-2026-07-01")

FALLBACK_CREDIT_2026_06_01("fallback-credit-2026-06-01")

FALLBACK_CREDIT_2026_07_01("fallback-credit-2026-07-01")

AGENT_MEMORY_2026_07_22("agent-memory-2026-07-22")

MID_CONVERSATION_TOOL_CHANGES_2026_07_01("mid-conversation-tool-changes-2026-07-01")

COMPACT_2026_01_12("compact-2026-01-12")

COMPUTER_USE_2025_11_24("computer-use-2025-11-24")

MCP_TUNNELS_2026_06_22("mcp-tunnels-2026-06-22")

STRUCTURED_OUTPUTS_2025_11_13("structured-outputs-2025-11-13")

TASK_BUDGETS_2026_03_13("task-budgets-2026-03-13")

THINKING_DISPLAY_UPDATES_2026_08_18("thinking-display-updates-2026-08-18")

CE_USER_MANAGEMENT_2026_07_13("ce-user-management-2026-07-13")

List<String> 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 BetaSkillVersion:

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.

formatdate-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.

JsonValue type

Object type.

For Skill Versions, this is always "skill_version".

Create Skill Version

package com.anthropic.example;

import com.anthropic.client.AnthropicClient;
import com.anthropic.client.okhttp.AnthropicOkHttpClient;
import com.anthropic.models.beta.skills.versions.BetaSkillVersion;
import com.anthropic.models.beta.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();
        BetaSkillVersion betaSkillVersion = client.beta().skills().versions().create(params);
    }
}

{
  "id": "id",
  "created_at": "2024-10-30T23:58:27.427722Z",
  "description": "description",
  "name": "name",
  "skill_id": "skill_01JAbcdefghijklmnopqrstuvw",
  "type": "skill_version"
}

Returns Examples

{
  "id": "id",
  "created_at": "2024-10-30T23:58:27.427722Z",
  "description": "description",
  "name": "name",
  "skill_id": "skill_01JAbcdefghijklmnopqrstuvw",
  "type": "skill_version"
}