Changes to Get Skill

added the enum value admin-user-sign-out-2026-10-08 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value experimental-claude-tag-2026-10-21 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value analytics-usage-cost-2026-08-24 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value message-threads-2026-08-12 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

deleted the header request parameter x-api-key

added the enum value webhooks-2026-10-07 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value telemetry-destinations-2026-08-11 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

the error response's property type changed from no type to object for status 400

added the optional property error/details to the response with the 400 status

removed discriminator from error response property for the response status 400

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 400

added the required property error/message to the response with the 400 status

added the required property error/type to the response with the 400 status

added the enum value spend-limit-reads-2026-09-26 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value ce-plugins-2026-09-01 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value inline-tools-2026-09-15 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value mcp-client-2026-09-15 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

for the header request parameter anthropic-beta, the type changed from string to array

for the header request parameter anthropic-beta, the type of property items/ changed from string to no type

added the new optional header request parameter anthropic-workspace-id

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 404

added the non-success response with the status 408

added the non-success response with the status 409

added the non-success response with the status 412

added the non-success response with the status 413

added the non-success response with the status 429

added the non-success response with the status 431

added the non-success response with the status 499

added the non-success response with the status 500

added the non-success response with the status 501

added the non-success response with the status 503

added the non-success response with the status 504

added the non-success response with the status 529

the source response's property type changed from string to object for status 200

removed the required property display_title from the response with the 200 status

removed the required property latest_version from the response with the 200 status

the type response property const value skill was added for the status 200

added the required property display_name to the response with the 200 status

added the required property latest_version_id to the response with the 200 status

added the required property source/type to the response with the 200 status