Skip to content

fix: resolve TypeScript deep type instantiation error with Zod schemas #39

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
hustcc merged 1 commit into from
Jan 8, 2026
Merged

fix: resolve TypeScript deep type instantiation error with Zod schemas #39

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion src/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ function createEChartsServer(): McpServer {
for (const tool of tools) {
const { name, description, inputSchema, run } = tool;
// biome-ignore lint/suspicious/noExplicitAny: <explanation>
server.tool(name, description, inputSchema.shape, run as any);
server.tool(name, description, inputSchema.shape as any, run as any);
}

return server;
Expand Down
6 changes: 3 additions & 3 deletions src/utils/schema.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,9 +49,9 @@ export const WidthSchema = z
.describe("Set the width of the chart, default is 800px.");

// TODO: use zod v4 JSON to schema to replace zod-to-json-schema when v4 is stable
// biome-ignore lint/suspicious/noExplicitAny: <explanation>
export const zodToJsonSchema = (schema: z.ZodType<any>) => {
return zodToJsonSchemaOriginal(schema, {
export const zodToJsonSchema = (schema: unknown): Record<string, unknown> => {
// biome-ignore lint/suspicious/noExplicitAny: Type assertion needed to avoid TypeScript deep type instantiation
return zodToJsonSchemaOriginal(schema as any, {
rejectedAdditionalProperties: undefined,
});
};