# Get documentation context > Retrieve documentation snippets for a library ranked by relevance to your query `GET /v2/context` ## 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 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: 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 tags: - Context 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: schemas: Error: type: object properties: error: type: string description: Human-readable error description required: - error 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 ````