auto-labeling

mcp/labels.ts

@@ -0,0 +1,27 @@
+import { type } from "arktype";
+import { contextualize, tool } from "./shared.ts";
+
+export const AddLabelsParams = type({
+  issue_number: type.number.describe("the issue or PR number to add labels to"),
+  labels: type.string.array().atLeastLength(1).describe("array of label names to add"),
+});
+
+export const AddLabelsTool = tool({
+  name: "add_labels",
+  description:
+    "Add labels to a GitHub issue or pull request. Only use labels that already exist in the repository.",
+  parameters: AddLabelsParams,
+  execute: contextualize(async ({ issue_number, labels }, ctx) => {
+    const result = await ctx.octokit.rest.issues.addLabels({
+      owner: ctx.owner,
+      repo: ctx.name,
+      issue_number,
+      labels,
+    });
+
+    return {
+      success: true,
+      labels: result.data.map((label) => label.name),
+    };
+  }),
+});