> ## Documentation Index > Fetch the complete documentation index at: https://docs.effectiveai.app/llms.txt > Use this file to discover all available pages before exploring further. # Download a skill for local agents > Download a bundled or authorized team/project skill as a ZIP. Team/project skill IDs are UUIDs from listSkills; their X-Skill-Publication-Id header names the immutable version for the next upload. The archive holds one directory, named after the skill, with its SKILL.md and every other file. Unzip it into the agent's skills directory, such as `~/.claude/skills/`. The ETag is the skill's contentHash, quoted. Send it as If-None-Match to get 304 Not Modified when the installed copy is current. An unknown skill ID returns 404. Free, read-only and safe to retry. ## OpenAPI ````yaml /openapi.json get /skills/{skillId}/bundle openapi: 3.0.3 info: title: Effective API version: 2.0.0 description: The public Effective REST API. Authenticate using an Effective API key. servers: - url: https://api.effectiveai.app/api/v2 description: Production security: - bearerAuth: [] paths: /skills/{skillId}/bundle: get: tags: - Skills summary: Download a skill for local agents description: >- Download a bundled or authorized team/project skill as a ZIP. Team/project skill IDs are UUIDs from listSkills; their X-Skill-Publication-Id header names the immutable version for the next upload. The archive holds one directory, named after the skill, with its SKILL.md and every other file. Unzip it into the agent's skills directory, such as `~/.claude/skills/`. The ETag is the skill's contentHash, quoted. Send it as If-None-Match to get 304 Not Modified when the installed copy is current. An unknown skill ID returns 404. Free, read-only and safe to retry. operationId: downloadSkill parameters: - schema: anyOf: - type: string maxLength: 74 pattern: ^effective:[a-z0-9]+(?:-[a-z0-9]+)*$ - type: string format: uuid - type: string format: uuid required: true name: skillId in: path - schema: type: string description: The ETag of the installed copy; a match returns 304 with no body. required: false description: The ETag of the installed copy; a match returns 304 with no body. name: if-none-match in: header responses: '200': description: The skill folder as a ZIP. ETag is its contentHash, quoted. headers: ETag: schema: type: string X-Skill-Publication-Id: schema: type: string description: Immutable version of a team/project package. content: application/zip: schema: type: string format: binary '304': description: The installed copy is current. headers: ETag: schema: type: string X-Skill-Publication-Id: schema: type: string description: Immutable version of a team/project package. '400': description: Invalid skill ID. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '401': description: Authentication required. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '403': description: Credential not permitted. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '404': description: No skill has this ID. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' security: - bearerAuth: [] components: schemas: V2CodedError: allOf: - $ref: '#/components/schemas/V2Error' - type: object properties: code: type: string minLength: 1 description: Stable error code. Clients must tolerate unknown future codes. details: type: array items: type: object properties: location: type: string enum: - path - query - header - body path: type: array items: type: string maxLength: 64 maxItems: 12 code: type: string enum: - required - invalid_type - invalid_value - unknown_field message: type: string minLength: 1 maxLength: 200 required: - location - path - code - message minItems: 1 maxItems: 20 description: Bounded safe validation issues; may omit some invalid fields. requestId: type: string minLength: 1 maxLength: 128 description: >- Existing server correlation for this HTTP attempt, when available. dataset: type: string enum: - naic - osha description: Dataset needed for dataset_not_enabled. businessCode: type: string description: The rater’s own refusal code, for business_rejection. violations: type: array items: type: object properties: code: type: string description: Authored or built-in constraint code message: type: string description: Authored message for the failed constraint path: type: string description: Input path of the offending value; empty for the request value: nullable: true description: Offending input value, size-bounded by the runtime constraint: type: string description: The constraint the value failed, as text cite: type: string nullable: true description: >- Filing citation of the constraint, when the source cites one required: - code - message - path - value - constraint - cite additionalProperties: false maxItems: 256 description: >- Each input constraint the submission failed, for invalid_inputs and business_rejection. violationsTruncated: type: boolean description: >- True when the rater reported more violations than violations holds. executionId: type: string description: >- The recorded execution of a failed rating, for rater rating failures. accessUrl: type: string nullable: true format: uri description: >- Where to add the product to your account, for product_access_required. required: - code V2Error: type: object properties: error: type: string minLength: 1 description: Human-readable explanation of the failure. required: - error securitySchemes: bearerAuth: type: http scheme: bearer description: 'Effective API key. Send Authorization: Bearer sk-eai-...' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.