Mcp delete docs (#8532)

* delete docs from MCP firestore

* Fix the delete command

Author: nohe427

src/mcp/tools/firestore/delete_document.ts

@@ -0,0 +1,54 @@
+import { z } from "zod";
+import { tool } from "../../tool.js";
+import { mcpError, toContent } from "../../util.js";
+import { getDocuments } from "../../../gcp/firestore.js";
+import { FirestoreDelete } from "../../../firestore/delete.js";
+
+export const delete_document = tool(
+  {
+    name: "delete_document",
+    description:
+      "Deletes a Firestore documents from a database in the current project by full document paths. Use this if you know the exact path of a document.",
+    inputSchema: z.object({
+      // TODO: Support configurable database
+      // database: z
+      //   .string()
+      //   .nullish()
+      //   .describe("Database id to use. Defaults to `(default)` if unspecified."),
+      path: z
+        .string()
+        .describe(
+          "A document path (e.g. `collectionName/documentId` or `parentCollection/parentDocument/collectionName/documentId`)",
+        ),
+    }),
+    annotations: {
+      title: "Delete Firestore document",
+      destructiveHint: true,
+    },
+    _meta: {
+      requiresAuth: true,
+      requiresProject: true,
+    },
+  },
+  async ({ path }, { projectId }) => {
+    // database ??= "(default)";
+    const { documents, missing } = await getDocuments(projectId!, [path]);
+    if (missing.length > 0 && documents && documents.length === 0) {
+      return mcpError(`None of the specified documents were found in project '${projectId}'`);
+    }
+
+    const firestoreDelete = new FirestoreDelete(projectId!, path, { databaseId: "(default)" });
+
+    await firestoreDelete.execute();
+
+    const { documents: postDeleteDocuments, missing: postDeleteMissing } = await getDocuments(
+      projectId!,
+      [path],
+    );
+    if (postDeleteMissing.length > 0 && postDeleteDocuments.length === 0) {
+      return toContent(`Successfully removed document located at : ${path}`);
+    }
+
+    return mcpError(`Failed to remove document located at : ${path}`);
+  },
+);

src/mcp/tools/firestore/index.ts

@@ -1,5 +1,6 @@
+import { delete_document } from "./delete_document";
 import { get_documents } from "./get_documents";
 import { get_rules } from "./get_rules";
 import { list_collections } from "./list_collections";
 
-export const firestoreTools = [list_collections, get_documents, get_rules];
+export const firestoreTools = [delete_document, get_documents, get_rules, list_collections];