> ## Documentation Index > Fetch the complete documentation index at: https://context7.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Get documentation context > Retrieve documentation snippets for a library ranked by relevance to your query ## OpenAPI ````yaml openapi-enterprise.json GET /v2/context openapi: 3.0.0 info: title: Context7 On-Premise API description: >- REST API for the Context7 On-Premise server. Covers library parsing and documentation search. version: 1.0.0 servers: - url: https://your-instance.example.com/api description: Your on-premise deployment (replace with your actual host) - url: http://localhost:3000/api description: Local development security: [] tags: - name: Search description: Search indexed libraries - name: Context description: Retrieve documentation context for queries - name: Parse description: Parse and index new libraries paths: /v2/context: get: tags: - Context summary: Get documentation context description: >- Retrieve documentation snippets for a library ranked by relevance to your query, formatted as plain text ready to inject into an LLM prompt. This is the endpoint MCP tools call internally. operationId: getContext parameters: - name: libraryId in: query description: >- Library ID returned by `GET /v2/libs/search` (e.g., `/your-org/your-repo`) required: true schema: type: string minLength: 1 maxLength: 500 example: /vercel/next.js - name: query in: query description: Natural language question or topic to retrieve context for required: true schema: type: string minLength: 1 maxLength: 500 example: How do I use the app router? responses: '200': description: Relevant documentation snippets as plain text content: text/plain: schema: type: string example: >- ### useRouter() Source: https://github.com/vercel/next.js/... The `useRouter` hook allows you to programmatically change routes inside Client Components. -------------------------------- ### app/layout.tsx ```tsx export default function Layout({ children }) { return {children} } ``` '400': $ref: '#/components/responses/BadRequestError' '401': $ref: '#/components/responses/UnauthorizedError' '404': $ref: '#/components/responses/NotFoundError' '500': $ref: '#/components/responses/InternalServerError' security: - {} - bearerAuth: [] components: responses: BadRequestError: description: Bad Request - invalid or missing parameters content: application/json: schema: $ref: '#/components/schemas/Error' example: error: repoUrl is required UnauthorizedError: description: Unauthorized - authentication required content: application/json: schema: $ref: '#/components/schemas/Error' example: error: Authentication required NotFoundError: description: Not Found - library does not exist content: application/json: schema: $ref: '#/components/schemas/Error' example: error: Project not found InternalServerError: description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/Error' example: error: An unexpected error occurred schemas: Error: type: object properties: error: type: string description: Human-readable error description required: - error securitySchemes: bearerAuth: type: http scheme: bearer description: >- API key generated from Personal Settings. See [Authentication](/enterprise/api/authentication#creating-an-api-key). ````