import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
import {
createErrorResponse,
debugLog,
getSearchcraftConfig,
makeSearchcraftRequest,
} from "../../../helpers.js";
import { PatchIndexSchema } from "../../schemas.js";
export const registerPatchIndex = (server: McpServer) => {
/**
* Tool: patch_index
* PATCH /index/:index_name - Partial configuration updates
*/
server.tool(
"patch_index",
"Make partial configuration changes to an index schema (search_fields, weight_multipliers, etc.).",
{
index_name: z.string().describe("The name of the index to patch"),
updates: PatchIndexSchema.describe(
"The partial updates to apply to the index",
),
},
async ({ index_name, updates }) => {
debugLog("[Tool Call] patch_index");
try {
const config = getSearchcraftConfig();
if (config.error) {
return config.error;
}
const { endpointUrl, apiKey } = config;
const endpoint = `${endpointUrl.replace(/\/$/, "")}/index/${index_name}`;
const response = await makeSearchcraftRequest(
endpoint,
"PATCH",
apiKey,
updates,
);
return {
content: [
{
type: "resource",
resource: {
uri: `searchcraft://index-patched/${index_name}/${Date.now()}`,
mimeType: "application/json",
text: JSON.stringify(response, null, 2),
},
},
],
};
} catch (error) {
const errorMessage =
error instanceof Error
? error.message
: "Unknown error occurred";
return createErrorResponse(
`Failed to patch index: ${errorMessage}`,
);
}
},
);
};
