React Native Expo MCP

Instructions

Implementation Reference

• src/content/patterns/api-patterns.ts:302-304 (handler)

  The handler function that retrieves API patterns based on the requested topic and whether a compact version is needed.

  export const getApiPatterns = (topic?: string, compact?: boolean): string =>
    resolvePattern(pattern, topic, compact);

• src/index.ts:123-141 (registration)

  The registration of the `get-api-patterns` tool in the MCP server.

  server.tool(
    "get-api-patterns",
    "Get API and data fetching patterns (Axios + TanStack Query). Call this when creating API services or data fetching hooks. Covers Axios client with interceptors, domain-grouped services, custom query/mutation hooks, query key conventions, and QueryClient config. Use `topic` to get a specific section only.",
    {
      topic: z
        .string()
        .optional()
        .describe(
          "Get a specific section only. Available: axios-client, services, query-hooks, mutation-hooks, usage, v4-vs-v5, query-keys, query-client-config, rules. Omit for full content."
        ),
      compact: z
        .boolean()
        .optional()
        .describe("If true, returns rules only without code examples. Much shorter."),
    },
    async ({ topic, compact }) => ({
      content: [{ type: "text", text: getApiPatterns(topic, compact) }],
    })
  );