MCP Server Template

import eslint from "@eslint/js"; import tseslint from "typescript-eslint"; export default tseslint.config( eslint.configs.recommended, ...tseslint.configs.strictTypeChecked, ...tseslint.configs.stylisticTypeChecked, { languageOptions: { parserOptions: { projectService: true, tsconfigRootDir: import.meta.dirname, }, }, rules: { // Naming conventions "@typescript-eslint/naming-convention": [ "error", { selector: "default", format: ["camelCase"], leadingUnderscore: "allow", trailingUnderscore: "allow", }, { selector: "variable", format: ["camelCase", "UPPER_CASE", "PascalCase"], leadingUnderscore: "allow", trailingUnderscore: "allow", }, { selector: "typeLike", format: ["PascalCase"], }, { selector: "enumMember", format: ["UPPER_CASE", "PascalCase"], }, { selector: "objectLiteralProperty", format: null, }, ], // Array type style: T[] for simple, Array<T> for complex "@typescript-eslint/array-type": [ "error", { default: "array-simple", }, ], // Prefer interfaces over type literals for objects "@typescript-eslint/consistent-type-definitions": ["error", "interface"], // Relaxed rules for MCP SDK compatibility "@typescript-eslint/no-unsafe-assignment": "warn", "@typescript-eslint/no-unsafe-member-access": "warn", "@typescript-eslint/no-unsafe-call": "warn", "@typescript-eslint/no-unsafe-argument": "warn", "@typescript-eslint/no-unsafe-return": "warn", // Allow explicit any for external API responses "@typescript-eslint/no-explicit-any": "warn", // Require explicit return types on exports "@typescript-eslint/explicit-function-return-type": [ "warn", { allowExpressions: true, allowTypedFunctionExpressions: true, }, ], // No floating promises "@typescript-eslint/no-floating-promises": "error", // Prefer nullish coalescing "@typescript-eslint/prefer-nullish-coalescing": "error", // No unused variables (except with underscore prefix) "@typescript-eslint/no-unused-vars": [ "error", { argsIgnorePattern: "^_", varsIgnorePattern: "^_", }, ], }, }, { ignores: ["dist/**", "node_modules/**", "coverage/**", "*.config.js"], } );