> ## Documentation Index > Fetch the complete documentation index at: https://docs.canary.effectiveai.app/llms.txt > Use this file to discover all available pages before exploring further. # Download a skill for local agents > Download a skill's folder as a ZIP to install in a local agent. 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.canary.effectiveai.app/api/v2 description: Canary security: - bearerAuth: [] paths: /skills/{skillId}/bundle: get: tags: - Skills summary: Download a skill for local agents description: >- Download a skill's folder as a ZIP to install in a local agent. 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: type: string maxLength: 74 pattern: ^effective:[a-z0-9]+(?:-[a-z0-9]+)*$ description: >- Skill ID: its source and name, such as `effective:effective`. Stable while the skill keeps its name. example: effective:effective required: true description: >- Skill ID: its source and name, such as `effective:effective`. Stable while the skill keeps its name. 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 content: application/zip: schema: type: string format: binary '304': description: The installed copy is current. headers: ETag: schema: type: string '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.