chore: rework list-projects response

src/tools/atlas/create/createProject.ts

@@ -4,17 +4,13 @@ import { AtlasToolBase } from "../atlasTool.js";
 import type { Group } from "../../../common/atlas/openapi.js";
 import { AtlasArgs } from "../../args.js";
 
-export const CreateProjectArgs = {
-    projectName: AtlasArgs.projectName().optional().describe("Name for the new project"),
-    organizationId: AtlasArgs.organizationId().optional().describe("Organization ID for the new project"),
-};
-
 export class CreateProjectTool extends AtlasToolBase {
     public name = "atlas-create-project";
     protected description = "Create a MongoDB Atlas project";
     public operationType: OperationType = "create";
     protected argsShape = {
-        ...CreateProjectArgs,
+        projectName: AtlasArgs.projectName().optional().describe("Name for the new project"),
+        organizationId: AtlasArgs.organizationId().optional().describe("Organization ID for the new project"),
     };
 
     protected async execute({ projectName, organizationId }: ToolArgs<typeof this.argsShape>): Promise<CallToolResult> {

src/tools/atlas/read/listProjects.ts

@@ -5,16 +5,14 @@ import { formatUntrustedData } from "../../tool.js";
 import type { ToolArgs } from "../../tool.js";
 import { AtlasArgs } from "../../args.js";
 
-export const ListProjectsArgs = {
-    orgId: AtlasArgs.organizationId().describe("Atlas organization ID to filter projects").optional(),
-};
-
 export class ListProjectsTool extends AtlasToolBase {
     public name = "atlas-list-projects";
     protected description = "List MongoDB Atlas projects";
     public operationType: OperationType = "read";
     protected argsShape = {
-        ...ListProjectsArgs,
+        orgId: AtlasArgs.organizationId()
+            .describe("Atlas organization ID to filter projects. If not provided, projects for all orgs are returned.")
+            .optional(),
     };
 
     protected async execute({ orgId }: ToolArgs<typeof this.argsShape>): Promise<CallToolResult> {
@@ -27,9 +25,9 @@ export class ListProjectsTool extends AtlasToolBase {
         }
 
         const orgs: Record<string, string> = orgData.results
-            .map((org) => [org.id || "", org.name])
-            .filter(([id]) => id)
-            .reduce((acc, [id, name]) => ({ ...acc, [id as string]: name }), {});
+            .filter((org) => org.id)
+            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+            .reduce((acc, org) => ({ ...acc, [org.id!]: org.name }), {});
 
         const data = orgId
             ? await this.session.apiClient.listOrganizationProjects({
@@ -47,19 +45,19 @@ export class ListProjectsTool extends AtlasToolBase {
             };
         }
 
-        // Format projects as a table
-        const rows = data.results
-            .map((project) => {
-                const createdAt = project.created ? new Date(project.created).toLocaleString() : "N/A";
-                const orgName = orgs[project.orgId] ?? "N/A";
-                return `${project.name} | ${project.id} | ${orgName} | ${project.orgId} | ${createdAt}`;
-            })
-            .join("\n");
-        const formattedProjects = `Project Name | Project ID | Organization Name | Organization ID | Created At
-----------------| ----------------| ----------------| ----------------| ----------------
-${rows}`;
+        const serializedProjects = JSON.stringify(
+            data.results.map((project) => ({
+                name: project.name,
+                id: project.id,
+                orgId: project.orgId,
+                orgName: orgs[project.orgId] ?? "N/A",
+                created: project.created ? new Date(project.created).toLocaleString() : "N/A",
+            })),
+            null,
+            2
+        );
         return {
-            content: formatUntrustedData(`Found ${data.results.length} projects`, formattedProjects),
+            content: formatUntrustedData(`Found ${data.results.length} projects`, serializedProjects),
         };
     }
 }

tests/accuracy/getPerformanceAdvisor.test.ts

@@ -1,16 +1,25 @@
+import { formatUntrustedData } from "../../src/tools/tool.js";
 import { describeAccuracyTests } from "./sdk/describeAccuracyTests.js";
 import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
 
+const projectId = "68f600519f16226591d054c0";
+
 // Shared mock tool implementations
 const mockedTools = {
     "atlas-list-projects": (): CallToolResult => {
         return {
-            content: [
-                {
-                    type: "text",
-                    text: "Found 1 project\n\n# | Name | ID\n---|------|----\n1 | mflix | mflix",
-                },
-            ],
+            content: formatUntrustedData(
+                "Found 1 projects",
+                JSON.stringify([
+                    {
+                        name: "mflix",
+                        id: projectId,
+                        orgId: "68f600589f16226591d054c1",
+                        orgName: "MyOrg",
+                        created: "N/A",
+                    },
+                ])
+            ),
         };
     },
     "atlas-list-clusters": (): CallToolResult => {
@@ -44,7 +53,7 @@ const listProjectsAndClustersToolCalls = [
     {
         toolName: "atlas-list-clusters",
         parameters: {
-            projectId: "mflix",
+            projectId,
         },
         optional: true,
     },
@@ -59,7 +68,7 @@ describeAccuracyTests([
             {
                 toolName: "atlas-get-performance-advisor",
                 parameters: {
-                    projectId: "mflix",
+                    projectId,
                     clusterName: "mflix-cluster",
                     operations: ["suggestedIndexes"],
                 },
@@ -75,7 +84,7 @@ describeAccuracyTests([
             {
                 toolName: "atlas-get-performance-advisor",
                 parameters: {
-                    projectId: "mflix",
+                    projectId,
                     clusterName: "mflix-cluster",
                     operations: ["dropIndexSuggestions"],
                 },
@@ -91,7 +100,7 @@ describeAccuracyTests([
             {
                 toolName: "atlas-get-performance-advisor",
                 parameters: {
-                    projectId: "mflix",
+                    projectId,
                     clusterName: "mflix-cluster",
                     operations: ["slowQueryLogs"],
                     namespaces: ["mflix.movies", "mflix.shows"],
@@ -109,7 +118,7 @@ describeAccuracyTests([
             {
                 toolName: "atlas-get-performance-advisor",
                 parameters: {
-                    projectId: "mflix",
+                    projectId,
                     clusterName: "mflix-cluster",
                     operations: ["schemaSuggestions"],
                 },
@@ -125,7 +134,7 @@ describeAccuracyTests([
             {
                 toolName: "atlas-get-performance-advisor",
                 parameters: {
-                    projectId: "mflix",
+                    projectId,
                     clusterName: "mflix-cluster",
                 },
             },

tests/integration/tools/atlas/projects.test.ts

@@ -1,28 +1,26 @@
 import { ObjectId } from "mongodb";
-import { parseTable, describeWithAtlas } from "./atlasHelpers.js";
+import { describeWithAtlas } from "./atlasHelpers.js";
 import { expectDefined, getDataFromUntrustedContent, getResponseElements } from "../../helpers.js";
-import { afterAll, describe, expect, it } from "vitest";
-
-const randomId = new ObjectId().toString();
+import { afterAll, beforeAll, describe, expect, it } from "vitest";
 
 describeWithAtlas("projects", (integration) => {
-    const projName = "testProj-" + randomId;
+    const projectsToCleanup: string[] = [];
 
     afterAll(async () => {
         const session = integration.mcpServer().session;
+        const projects =
+            (await session.apiClient.listProjects()).results?.filter((project) =>
+                projectsToCleanup.includes(project.name)
+            ) || [];
 
-        const projects = await session.apiClient.listProjects();
-        for (const project of projects?.results || []) {
-            if (project.name === projName) {
-                await session.apiClient.deleteProject({
-                    params: {
-                        path: {
-                            groupId: project.id || "",
-                        },
+        for (const project of projects) {
+            await session.apiClient.deleteProject({
+                params: {
+                    path: {
+                        groupId: project.id || "",
                     },
-                });
-                break;
-            }
+                },
+            });
         }
     });
 
@@ -36,7 +34,11 @@ describeWithAtlas("projects", (integration) => {
             expect(createProject.inputSchema.properties).toHaveProperty("projectName");
             expect(createProject.inputSchema.properties).toHaveProperty("organizationId");
         });
+
         it("should create a project", async () => {
+            const projName = `testProj-${new ObjectId().toString()}`;
+            projectsToCleanup.push(projName);
+
             const response = await integration.mcpClient().callTool({
                 name: "atlas-create-project",
                 arguments: { projectName: projName },
@@ -47,7 +49,23 @@ describeWithAtlas("projects", (integration) => {
             expect(elements[0]?.text).toContain(projName);
         });
     });
+
     describe("atlas-list-projects", () => {
+        let projName: string;
+        let orgId: string;
+        beforeAll(async () => {
+            projName = `testProj-${new ObjectId().toString()}`;
+            projectsToCleanup.push(projName);
+
+            const orgs = await integration.mcpServer().session.apiClient.listOrganizations();
+            orgId = (orgs.results && orgs.results[0]?.id) ?? "";
+
+            await integration.mcpClient().callTool({
+                name: "atlas-create-project",
+                arguments: { projectName: projName, organizationId: orgId },
+            });
+        });
+
         it("should have correct metadata", async () => {
             const { tools } = await integration.mcpClient().listTools();
             const listProjects = tools.find((tool) => tool.name === "atlas-list-projects");
@@ -57,23 +75,51 @@ describeWithAtlas("projects", (integration) => {
             expect(listProjects.inputSchema.properties).toHaveProperty("orgId");
         });
 
-        it("returns project names", async () => {
-            const response = await integration.mcpClient().callTool({ name: "atlas-list-projects", arguments: {} });
-            const elements = getResponseElements(response);
-            expect(elements).toHaveLength(2);
-            expect(elements[1]?.text).toContain("<untrusted-user-data-");
-            expect(elements[1]?.text).toContain(projName);
-            const data = parseTable(getDataFromUntrustedContent(elements[1]?.text ?? ""));
-            expect(data.length).toBeGreaterThan(0);
-            let found = false;
-            for (const project of data) {
-                if (project["Project Name"] === projName) {
-                    found = true;
-                }
-            }
-            expect(found).toBe(true);
-
-            expect(elements[0]?.text).toBe(`Found ${data.length} projects`);
+        describe("with orgId filter", () => {
+            it("returns projects only for that org", async () => {
+                const response = await integration.mcpClient().callTool({
+                    name: "atlas-list-projects",
+                    arguments: {
+                        orgId,
+                    },
+                });
+
+                const elements = getResponseElements(response);
+                expect(elements).toHaveLength(2);
+                expect(elements[1]?.text).toContain("<untrusted-user-data-");
+                expect(elements[1]?.text).toContain(projName);
+                const data = JSON.parse(getDataFromUntrustedContent(elements[1]?.text ?? "")) as {
+                    name: string;
+                    orgId: string;
+                }[];
+                expect(data.length).toBeGreaterThan(0);
+                expect(data.every((proj) => proj.orgId === orgId)).toBe(true);
+                expect(data.find((proj) => proj.name === projName)).toBeDefined();
+
+                expect(elements[0]?.text).toBe(`Found ${data.length} projects`);
+            });
+        });
+
+        describe("without orgId filter", () => {
+            it("returns projects for all orgs", async () => {
+                const response = await integration.mcpClient().callTool({
+                    name: "atlas-list-projects",
+                    arguments: {},
+                });
+
+                const elements = getResponseElements(response);
+                expect(elements).toHaveLength(2);
+                expect(elements[1]?.text).toContain("<untrusted-user-data-");
+                expect(elements[1]?.text).toContain(projName);
+                const data = JSON.parse(getDataFromUntrustedContent(elements[1]?.text ?? "")) as {
+                    name: string;
+                    orgId: string;
+                }[];
+                expect(data.length).toBeGreaterThan(0);
+                expect(data.find((proj) => proj.name === projName && proj.orgId === orgId)).toBeDefined();
+
+                expect(elements[0]?.text).toBe(`Found ${data.length} projects`);
+            });
         });
     });
 });