Claude Platform Docs

Delete Skill Version

client.beta.skills.versions.delete(stringversion, VersionDeleteParamsparams, RequestOptionsoptions?): VersionDeleteResponse
DELETE/v1/skills/{skill_id}/versions/{version}

Delete Skill Version

Parameters
version: string

Version identifier for the skill.

Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").

params: VersionDeleteParams { skill_id, betas }
skill_id: string

Path param: Unique identifier for the skill.

The format and length of IDs may change over time.

betas?: Array<AnthropicBeta>

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

One of the following:
(string & {})
"message-batches-2024-09-24" | "prompt-caching-2024-07-31" | "computer-use-2024-10-22" | 38 more
"message-batches-2024-09-24"
"prompt-caching-2024-07-31"
"computer-use-2024-10-22"
"computer-use-2025-01-24"
"pdfs-2024-09-25"
"token-counting-2024-11-01"
"token-efficient-tools-2025-02-19"
"output-128k-2025-02-19"
"files-api-2025-04-14"
"mcp-client-2025-04-04"
"mcp-client-2025-11-20"
"dev-full-thinking-2025-05-14"
"interleaved-thinking-2025-05-14"
"code-execution-2025-05-22"
"extended-cache-ttl-2025-04-11"
"context-1m-2025-08-07"
"context-management-2025-06-27"
"model-context-window-exceeded-2025-08-26"
"skills-2025-10-02"
"fast-mode-2026-02-01"
"output-300k-2026-03-24"
"user-profiles-2026-03-24"
"user-profiles-2026-08-18"
"advisor-tool-2026-03-01"
"managed-agents-2026-04-01"
"cache-diagnosis-2026-04-07"
"dreaming-2026-04-21"
"thinking-token-count-2026-05-13"
"server-side-fallback-2026-06-01"
"server-side-fallback-2026-07-01"
"fallback-credit-2026-06-01"
"fallback-credit-2026-07-01"
"agent-memory-2026-07-22"
"mid-conversation-tool-changes-2026-07-01"
"compact-2026-01-12"
"computer-use-2025-11-24"
"mcp-tunnels-2026-06-22"
"structured-outputs-2025-11-13"
"task-budgets-2026-03-13"
"thinking-display-updates-2026-08-18"
"ce-user-management-2026-07-13"
Returns
VersionDeleteResponse { 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".

defaultskill_version_deleted

Delete Skill Version

import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic({
  apiKey: process.env["ANTHROPIC_API_KEY"] // This is the default and can be omitted
});

const version = await client.beta.skills.versions.delete("version", { skill_id: "skill_id" });

console.log(version.id);
{
  "id": "1759178010641129",
  "type": "type"
}
Returns Examples
{
  "id": "1759178010641129",
  "type": "type"
}