20852798965

Committed 09 Jan 2026 01:03PM UTC coverage: 79.538% (-0.1%) from 79.647%

Build # 20852798965

Build Type

Pull #837

github

Committed by

web-flow

Commit Message

Merge 9b3bafc92 into 7043c219d

Pull Request Pull Request #837: chore: minimize node-specific API usage

Run Details

1509 of 1967 branches covered (76.72%)

Branch coverage included in aggregate %.

13 of 25 new or added lines in 5 files covered. (52.0%)

19 existing lines in 2 files now uncovered.

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78.88

/src/server.ts

import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import type { Session } from "./common/session.js";
import type { Transport } from "@modelcontextprotocol/sdk/shared/transport.js";
import { Resources } from "./resources/resources.js";
import type { LogLevel } from "./common/logger.js";
import { LogId, McpLogger } from "./common/logger.js";
import type { Telemetry } from "./telemetry/telemetry.js";
import type { UserConfig } from "./common/config/userConfig.js";
import { type ServerEvent } from "./telemetry/types.js";
import { type ServerCommand } from "./telemetry/types.js";
import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
import {
    CallToolRequestSchema,
    SetLevelRequestSchema,
    SubscribeRequestSchema,
    UnsubscribeRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";
import assert from "assert";
import type { ToolBase, ToolCategory, ToolClass } from "./tools/tool.js";
import { validateConnectionString } from "./helpers/connectionOptions.js";
import { packageInfo } from "./common/packageInfo.js";
import { type ConnectionErrorHandler } from "./common/connectionErrorHandler.js";
import type { Elicitation } from "./elicitation.js";
import { AllTools } from "./tools/index.js";
import { UIRegistry } from "./ui/registry/index.js";

export interface ServerOptions {
    session: Session;
    userConfig: UserConfig;
    mcpServer: McpServer;
    telemetry: Telemetry;
    elicitation: Elicitation;
    connectionErrorHandler: ConnectionErrorHandler;
    /**
     * Custom tool constructors to register with the server.
     * This will override any default tools. You can use both existing and custom tools by using the `mongodb-mcp-server/tools` export.
     *
     * ```ts
     * import { AllTools, ToolBase, type ToolCategory, type OperationType } from "mongodb-mcp-server/tools";
     * class CustomTool extends ToolBase {
     *     override name = "custom_tool";
     *     static category: ToolCategory = "mongodb";
     *     static operationType: OperationType = "read";
     *     public description = "Custom tool description";
     *     public argsShape = {};
     *     protected async execute() {
     *         return { content: [{ type: "text", text: "Result" }] };
     *     }
     *     protected resolveTelemetryMetadata() {
     *         return {};
     *     }
     * }
     * const server = new Server({
     *     session: mySession,
     *     userConfig: myUserConfig,
     *     mcpServer: myMcpServer,
     *     telemetry: myTelemetry,
     *     elicitation: myElicitation,
     *     connectionErrorHandler: myConnectionErrorHandler,
     *     tools: [...AllTools, CustomTool],
     * });
     * ```
     */
    tools?: ToolClass[];
    /**
     * Custom UIs for tools. Function that returns HTML strings for tool names.
     * Use this to add UIs to tools or replace the default bundled UIs.
     * The function is called lazily when a UI is requested, allowing you to
     * defer loading large HTML files until needed.
     *
     * ```ts
     * import { readFileSync } from 'fs';
     * const server = new Server({
     *     // ... other options
     *     customUIs: (toolName) => {
     *         if (toolName === 'list-databases') {
     *             return readFileSync('./my-custom-ui.html', 'utf-8');
     *         }
     *         return null;
     *     }
     * });
     * ```
     */
    customUIs?: (toolName: string) => string | null | Promise<string | null>;
}

export class Server {
    public readonly session: Session;
    public readonly mcpServer: McpServer;
    private readonly telemetry: Telemetry;
    public readonly userConfig: UserConfig;
    public readonly elicitation: Elicitation;
    private readonly toolConstructors: ToolClass[];
    public readonly tools: ToolBase[] = [];
    public readonly connectionErrorHandler: ConnectionErrorHandler;
    public readonly uiRegistry: UIRegistry;

    private _mcpLogLevel: LogLevel = "debug";

    public get mcpLogLevel(): LogLevel {
        return this._mcpLogLevel;
    }

    private readonly startTime: number;
    private readonly subscriptions = new Set<string>();

    constructor({
        session,
        mcpServer,
        userConfig,
        telemetry,
        connectionErrorHandler,
        elicitation,
        tools,
        customUIs,
    }: ServerOptions) {
        this.startTime = Date.now();
        this.session = session;
        this.telemetry = telemetry;
        this.mcpServer = mcpServer;
        this.userConfig = userConfig;
        this.elicitation = elicitation;
        this.connectionErrorHandler = connectionErrorHandler;
        this.toolConstructors = tools ?? AllTools;
        this.uiRegistry = new UIRegistry({ customUIs });
    }

    async connect(transport: Transport): Promise<void> {
        await this.validateConfig();
        // Register resources after the server is initialized so they can listen to events like
        // connection events.
        this.registerResources();
        this.mcpServer.server.registerCapabilities({
            logging: {},
            resources: { listChanged: true, subscribe: true },
        });

        // TODO: Eventually we might want to make tools reactive too instead of relying on custom logic.
        this.registerTools();

        // This is a workaround for an issue we've seen with some models, where they'll see that everything in the `arguments`
        // object is optional, and then not pass it at all. However, the MCP server expects the `arguments` object to be if
        // the tool accepts any arguments, even if they're all optional.
        //
        // see: https://github.com/modelcontextprotocol/typescript-sdk/blob/131776764536b5fdca642df51230a3746fb4ade0/src/server/mcp.ts#L705
        // Since paramsSchema here is not undefined, the server will create a non-optional z.object from it.
        const existingHandler = (
            this.mcpServer.server["_requestHandlers"] as Map<
                string,
                (request: unknown, extra: unknown) => Promise<CallToolResult>
            >
        ).get(CallToolRequestSchema.shape.method.value);

        if (!existingHandler) {
            throw new Error("No existing handler found for CallToolRequestSchema");
        }

        this.mcpServer.server.setRequestHandler(CallToolRequestSchema, (request, extra): Promise<CallToolResult> => {
            if (!request.params.arguments) {
                request.params.arguments = {};
            }

            return existingHandler(request, extra);
        });

        this.mcpServer.server.setRequestHandler(SubscribeRequestSchema, ({ params }) => {
            this.subscriptions.add(params.uri);
            this.session.logger.debug({
                id: LogId.serverInitialized,
                context: "resources",
                message: `Client subscribed to resource: ${params.uri}`,
            });
            return {};
        });

        this.mcpServer.server.setRequestHandler(UnsubscribeRequestSchema, ({ params }) => {
            this.subscriptions.delete(params.uri);
            this.session.logger.debug({
                id: LogId.serverInitialized,
                context: "resources",
                message: `Client unsubscribed from resource: ${params.uri}`,
            });
            return {};
        });

        this.mcpServer.server.setRequestHandler(SetLevelRequestSchema, ({ params }) => {
            if (!McpLogger.LOG_LEVELS.includes(params.level)) {
                throw new Error(`Invalid log level: ${params.level}`);
            }

            this._mcpLogLevel = params.level;
            return {};
        });

        this.mcpServer.server.oninitialized = (): void => {
            this.session.setMcpClient(this.mcpServer.server.getClientVersion());
            // Placed here to start the connection to the config connection string as soon as the server is initialized.
            void this.connectToConfigConnectionString();
            this.session.logger.info({
                id: LogId.serverInitialized,
                context: "server",
                message: `Server with version ${packageInfo.version} started with transport ${transport.constructor.name} and agent runner ${JSON.stringify(this.session.mcpClient)}`,
            });

            this.emitServerTelemetryEvent("start", Date.now() - this.startTime);
        };

        this.mcpServer.server.onclose = (): void => {
            const closeTime = Date.now();
            this.emitServerTelemetryEvent("stop", Date.now() - closeTime);
        };

        this.mcpServer.server.onerror = (error: Error): void => {
            const closeTime = Date.now();
            this.emitServerTelemetryEvent("stop", Date.now() - closeTime, error);
        };

        await this.mcpServer.connect(transport);
    }

    async close(): Promise<void> {
        await this.telemetry.close();
        await this.session.close();
        await this.mcpServer.close();
    }

    public sendResourceListChanged(): void {
        this.mcpServer.sendResourceListChanged();
    }

    public isToolCategoryAvailable(name: ToolCategory): boolean {
        return !!this.tools.filter((t) => t.category === name).length;
    }

    public sendResourceUpdated(uri: string): void {
        this.session.logger.info({
            id: LogId.resourceUpdateFailure,
            context: "resources",
            message: `Resource updated: ${uri}`,
        });

        if (this.subscriptions.has(uri)) {
            void this.mcpServer.server.sendResourceUpdated({ uri });
        }
    }

    private emitServerTelemetryEvent(command: ServerCommand, commandDuration: number, error?: Error): void {
        const event: ServerEvent = {
            timestamp: new Date().toISOString(),
            source: "mdbmcp",
            properties: {
                result: "success",
                duration_ms: commandDuration,
                component: "server",
                category: "other",
                command: command,
            },
        };

        if (command === "start") {
            event.properties.startup_time_ms = commandDuration;
            event.properties.read_only_mode = this.userConfig.readOnly ? "true" : "false";
            event.properties.disabled_tools = this.userConfig.disabledTools || [];
            event.properties.confirmation_required_tools = this.userConfig.confirmationRequiredTools || [];
            event.properties.previewFeatures = this.userConfig.previewFeatures;
            event.properties.embeddingProviderConfigured = !!this.userConfig.voyageApiKey;
        }
        if (command === "stop") {
            event.properties.runtime_duration_ms = Date.now() - this.startTime;
            if (error) {
                event.properties.result = "failure";
                event.properties.reason = error.message;
            }
        }

        this.telemetry.emitEvents([event]);
    }

    public registerTools(): void {
        for (const toolConstructor of this.toolConstructors) {
            const tool = new toolConstructor({
                category: toolConstructor.category,
                operationType: toolConstructor.operationType,
                session: this.session,
                config: this.userConfig,
                telemetry: this.telemetry,
                elicitation: this.elicitation,
                uiRegistry: this.uiRegistry,
            });
            if (tool.register(this)) {
                this.tools.push(tool);
            }
        }
    }

    public registerResources(): void {
        for (const resourceConstructor of Resources) {
            const resource = new resourceConstructor(this.session, this.userConfig, this.telemetry);
            resource.register(this);
        }
    }

    private async validateConfig(): Promise<void> {
        // Validate connection string
        if (this.userConfig.connectionString) {
            try {
                validateConnectionString(this.userConfig.connectionString, false);
            } catch (error) {
                console.error("Connection string validation failed with error: ", error);
                throw new Error(
                    "Connection string validation failed with error: " +
                        (error instanceof Error ? error.message : String(error))
                );
            }
        }

        // Validate API client credentials
        if (this.userConfig.apiClientId && this.userConfig.apiClientSecret) {
            try {
                if (!this.userConfig.apiBaseUrl.startsWith("https://")) {
                    const message =
                        "Failed to validate MongoDB Atlas the credentials from config: apiBaseUrl must start with https://";
                    console.error(message);
                    throw new Error(message);
                }

                await this.session.apiClient.validateAccessToken();
            } catch (error) {
                if (this.userConfig.connectionString === undefined) {
                    console.error("Failed to validate MongoDB Atlas the credentials from the config: ", error);

                    throw new Error(
                        "Failed to connect to MongoDB Atlas instance using the credentials from the config"
                    );
                }
                console.error(
                    "Failed to validate MongoDB Atlas the credentials from the config, but validated the connection string."
                );
            }
        }
    }

    private async connectToConfigConnectionString(): Promise<void> {
        if (this.userConfig.connectionString) {
            try {
                this.session.logger.info({
                    id: LogId.mongodbConnectTry,
                    context: "server",
                    message: `Detected a MongoDB connection string in the configuration, trying to connect...`,
                });
                await this.session.connectToConfiguredConnection();
            } catch (error) {
                // We don't throw an error here because we want to allow the server to start even if the connection string is invalid.
                this.session.logger.error({
                    id: LogId.mongodbConnectFailure,
                    context: "server",
                    message: `Failed to connect to MongoDB instance using the connection string from the config: ${error instanceof Error ? error.message : String(error)}`,
                });
            }
        }
    }
}

1	import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
2	import type { Session } from "./common/session.js";
3	import type { Transport } from "@modelcontextprotocol/sdk/shared/transport.js";
4	import { Resources } from "./resources/resources.js";	3✔
5	import type { LogLevel } from "./common/logger.js";
6	import { LogId, McpLogger } from "./common/logger.js";	3✔
7	import type { Telemetry } from "./telemetry/telemetry.js";
8	import type { UserConfig } from "./common/config/userConfig.js";
9	import { type ServerEvent } from "./telemetry/types.js";
10	import { type ServerCommand } from "./telemetry/types.js";
11	import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
12	import {	3✔
13	CallToolRequestSchema,
14	SetLevelRequestSchema,
15	SubscribeRequestSchema,
16	UnsubscribeRequestSchema,
17	} from "@modelcontextprotocol/sdk/types.js";
18	import assert from "assert";
19	import type { ToolBase, ToolCategory, ToolClass } from "./tools/tool.js";
20	import { validateConnectionString } from "./helpers/connectionOptions.js";	3✔
21	import { packageInfo } from "./common/packageInfo.js";	3✔
22	import { type ConnectionErrorHandler } from "./common/connectionErrorHandler.js";
23	import type { Elicitation } from "./elicitation.js";
24	import { AllTools } from "./tools/index.js";	3✔
25	import { UIRegistry } from "./ui/registry/index.js";	3✔
26
27	export interface ServerOptions {
28	session: Session;
29	userConfig: UserConfig;
30	mcpServer: McpServer;
31	telemetry: Telemetry;
32	elicitation: Elicitation;
33	connectionErrorHandler: ConnectionErrorHandler;
34	/**
35	* Custom tool constructors to register with the server.
36	* This will override any default tools. You can use both existing and custom tools by using the `mongodb-mcp-server/tools` export.
37	*
38	* ```ts
39	* import { AllTools, ToolBase, type ToolCategory, type OperationType } from "mongodb-mcp-server/tools";
40	* class CustomTool extends ToolBase {
41	* override name = "custom_tool";
42	* static category: ToolCategory = "mongodb";
43	* static operationType: OperationType = "read";
44	* public description = "Custom tool description";
45	* public argsShape = {};
46	* protected async execute() {
47	* return { content: [{ type: "text", text: "Result" }] };
48	* }
49	* protected resolveTelemetryMetadata() {
50	* return {};
51	* }
52	* }
53	* const server = new Server({
54	* session: mySession,
55	* userConfig: myUserConfig,
56	* mcpServer: myMcpServer,
57	* telemetry: myTelemetry,
58	* elicitation: myElicitation,
59	* connectionErrorHandler: myConnectionErrorHandler,
60	* tools: [...AllTools, CustomTool],
61	* });
62	* ```
63	*/
64	tools?: ToolClass[];
65	/**
66	* Custom UIs for tools. Function that returns HTML strings for tool names.
67	* Use this to add UIs to tools or replace the default bundled UIs.
68	* The function is called lazily when a UI is requested, allowing you to
69	* defer loading large HTML files until needed.
70	*
71	* ```ts
72	* import { readFileSync } from 'fs';
73	* const server = new Server({
74	* // ... other options
75	* customUIs: (toolName) => {
76	* if (toolName === 'list-databases') {
77	* return readFileSync('./my-custom-ui.html', 'utf-8');
78	* }
79	* return null;
80	* }
81	* });
82	* ```
83	*/
84	customUIs?: (toolName: string) => string \| null \| Promise<string \| null>;
85	}
86
87	export class Server {	3✔
88	public readonly session: Session;
89	public readonly mcpServer: McpServer;
90	private readonly telemetry: Telemetry;
91	public readonly userConfig: UserConfig;
92	public readonly elicitation: Elicitation;
93	private readonly toolConstructors: ToolClass[];
94	public readonly tools: ToolBase[] = [];	3✔
95	public readonly connectionErrorHandler: ConnectionErrorHandler;
96	public readonly uiRegistry: UIRegistry;
97
98	private _mcpLogLevel: LogLevel = "debug";	3✔
99
100	public get mcpLogLevel(): LogLevel {	3✔
101	return this._mcpLogLevel;	3✔
102	}	3✔
103
104	private readonly startTime: number;
105	private readonly subscriptions = new Set<string>();	3✔
106
107	constructor({	3✔
108	session,	133✔
109	mcpServer,	133✔
110	userConfig,	133✔
111	telemetry,	133✔
112	connectionErrorHandler,	133✔
113	elicitation,	133✔
114	tools,	133✔
115	customUIs,	133✔
116	}: ServerOptions) {	133✔
117	this.startTime = Date.now();	133✔
118	this.session = session;	133✔
119	this.telemetry = telemetry;	133✔
120	this.mcpServer = mcpServer;	133✔
121	this.userConfig = userConfig;	133✔
122	this.elicitation = elicitation;	133✔
123	this.connectionErrorHandler = connectionErrorHandler;	133✔
124	this.toolConstructors = tools ?? AllTools;	133✔
125	this.uiRegistry = new UIRegistry({ customUIs });	133✔
126	}	133✔
127
128	async connect(transport: Transport): Promise<void> {	3✔
129	await this.validateConfig();	129✔
130	// Register resources after the server is initialized so they can listen to events like
131	// connection events.
132	this.registerResources();	129✔
133	this.mcpServer.server.registerCapabilities({	129✔
134	logging: {},	129✔
135	resources: { listChanged: true, subscribe: true },	129✔
136	});	129✔
137
138	// TODO: Eventually we might want to make tools reactive too instead of relying on custom logic.
139	this.registerTools();	129✔
140
141	// This is a workaround for an issue we've seen with some models, where they'll see that everything in the `arguments`
142	// object is optional, and then not pass it at all. However, the MCP server expects the `arguments` object to be if
143	// the tool accepts any arguments, even if they're all optional.
144	//
145	// see: https://github.com/modelcontextprotocol/typescript-sdk/blob/131776764536b5fdca642df51230a3746fb4ade0/src/server/mcp.ts#L705
146	// Since paramsSchema here is not undefined, the server will create a non-optional z.object from it.
147	const existingHandler = (	129✔
148	this.mcpServer.server["_requestHandlers"] as Map<	129✔
149	string,
150	(request: unknown, extra: unknown) => Promise<CallToolResult>
151	>
152	).get(CallToolRequestSchema.shape.method.value);	129✔
153
154	if (!existingHandler) {	129!
NEW 155	throw new Error("No existing handler found for CallToolRequestSchema");	×
UNCOV 156	}	✔
157
158	this.mcpServer.server.setRequestHandler(CallToolRequestSchema, (request, extra): Promise<CallToolResult> => {	128✔
159	if (!request.params.arguments) {	751!
160	request.params.arguments = {};	1✔
161	}	1✔
162
163	return existingHandler(request, extra);	751✔
164	});	128✔
165
166	this.mcpServer.server.setRequestHandler(SubscribeRequestSchema, ({ params }) => {	128✔
167	this.subscriptions.add(params.uri);	20✔
168	this.session.logger.debug({	20✔
169	id: LogId.serverInitialized,	20✔
170	context: "resources",	20✔
171	message: `Client subscribed to resource: ${params.uri}`,	20✔
172	});	20✔
173	return {};	20✔
174	});	128✔
175
176	this.mcpServer.server.setRequestHandler(UnsubscribeRequestSchema, ({ params }) => {	128✔
177	this.subscriptions.delete(params.uri);	×
178	this.session.logger.debug({	×
179	id: LogId.serverInitialized,	×
180	context: "resources",	×
181	message: `Client unsubscribed from resource: ${params.uri}`,	×
182	});	×
UNCOV 183	return {};	×
184	});	128✔
185
186	this.mcpServer.server.setRequestHandler(SetLevelRequestSchema, ({ params }) => {	128✔
187	if (!McpLogger.LOG_LEVELS.includes(params.level)) {	×
188	throw new Error(`Invalid log level: ${params.level}`);	×
UNCOV 189	}	×
190
191	this._mcpLogLevel = params.level;	×
UNCOV 192	return {};	×
193	});	128✔
194
195	this.mcpServer.server.oninitialized = (): void => {	128✔
196	this.session.setMcpClient(this.mcpServer.server.getClientVersion());	122✔
197	// Placed here to start the connection to the config connection string as soon as the server is initialized.
198	void this.connectToConfigConnectionString();	122✔
199	this.session.logger.info({	122✔
200	id: LogId.serverInitialized,	122✔
201	context: "server",	122✔
202	message: `Server with version ${packageInfo.version} started with transport ${transport.constructor.name} and agent runner ${JSON.stringify(this.session.mcpClient)}`,	122✔
203	});	122✔
204
205	this.emitServerTelemetryEvent("start", Date.now() - this.startTime);	122✔
206	};	122✔
207
208	this.mcpServer.server.onclose = (): void => {	128✔
209	const closeTime = Date.now();	124✔
210	this.emitServerTelemetryEvent("stop", Date.now() - closeTime);	124✔
211	};	124✔
212
213	this.mcpServer.server.onerror = (error: Error): void => {	128✔
214	const closeTime = Date.now();	×
215	this.emitServerTelemetryEvent("stop", Date.now() - closeTime, error);	×
UNCOV 216	};	×
217
218	await this.mcpServer.connect(transport);	128✔
219	}	129✔
220
221	async close(): Promise<void> {	3✔
222	await this.telemetry.close();	123✔
223	await this.session.close();	120✔
224	await this.mcpServer.close();	120✔
225	}	123✔
226
227	public sendResourceListChanged(): void {	3✔
228	this.mcpServer.sendResourceListChanged();	810✔
229	}	810✔
230
231	public isToolCategoryAvailable(name: ToolCategory): boolean {	3✔
232	return !!this.tools.filter((t) => t.category === name).length;	2✔
233	}	2✔
234
235	public sendResourceUpdated(uri: string): void {	3✔
236	this.session.logger.info({	810✔
237	id: LogId.resourceUpdateFailure,	810✔
238	context: "resources",	810✔
239	message: `Resource updated: ${uri}`,	810✔
240	});	810✔
241
242	if (this.subscriptions.has(uri)) {	810!
243	void this.mcpServer.server.sendResourceUpdated({ uri });	20✔
244	}	20✔
245	}	810✔
246
247	private emitServerTelemetryEvent(command: ServerCommand, commandDuration: number, error?: Error): void {	3✔
248	const event: ServerEvent = {	246✔
249	timestamp: new Date().toISOString(),	246✔
250	source: "mdbmcp",	246✔
251	properties: {	246✔
252	result: "success",	246✔
253	duration_ms: commandDuration,	246✔
254	component: "server",	246✔
255	category: "other",	246✔
256	command: command,	246✔
257	},	246✔
258	};	246✔
259
260	if (command === "start") {	246✔
261	event.properties.startup_time_ms = commandDuration;	122✔
262	event.properties.read_only_mode = this.userConfig.readOnly ? "true" : "false";	122!
263	event.properties.disabled_tools = this.userConfig.disabledTools \|\| [];	122!
264	event.properties.confirmation_required_tools = this.userConfig.confirmationRequiredTools \|\| [];	122!
265	event.properties.previewFeatures = this.userConfig.previewFeatures;	122✔
266	event.properties.embeddingProviderConfigured = !!this.userConfig.voyageApiKey;	122✔
267	}	122✔
268	if (command === "stop") {	246✔
269	event.properties.runtime_duration_ms = Date.now() - this.startTime;	124✔
270	if (error) {	124!
271	event.properties.result = "failure";	×
272	event.properties.reason = error.message;	×
UNCOV 273	}	×
274	}	124✔
275
276	this.telemetry.emitEvents([event]);	246✔
277	}	246✔
278
279	public registerTools(): void {	3✔
280	for (const toolConstructor of this.toolConstructors) {	129✔
281	const tool = new toolConstructor({	4,719✔
282	category: toolConstructor.category,	4,719✔
283	operationType: toolConstructor.operationType,	4,719✔
284	session: this.session,	4,719✔
285	config: this.userConfig,	4,719✔
286	telemetry: this.telemetry,	4,719✔
287	elicitation: this.elicitation,	4,719✔
288	uiRegistry: this.uiRegistry,	4,719✔
289	});	4,719✔
290	if (tool.register(this)) {	4,719✔
291	this.tools.push(tool);	3,406✔
292	}	3,406✔
293	}	4,719✔
294	}	129✔
295
296	public registerResources(): void {	3✔
297	for (const resourceConstructor of Resources) {	129✔
298	const resource = new resourceConstructor(this.session, this.userConfig, this.telemetry);	387✔
299	resource.register(this);	387✔
300	}	387✔
301	}	129✔
302
303	private async validateConfig(): Promise<void> {	3✔
304	// Validate connection string
305	if (this.userConfig.connectionString) {	129!
306	try {	8✔
307	validateConnectionString(this.userConfig.connectionString, false);	8✔
308	} catch (error) {	8!
309	console.error("Connection string validation failed with error: ", error);	×
310	throw new Error(	×
311	"Connection string validation failed with error: " +	×
312	(error instanceof Error ? error.message : String(error))	×
313	);	×
UNCOV 314	}	×
315	}	8✔
316
317	// Validate API client credentials
318	if (this.userConfig.apiClientId && this.userConfig.apiClientSecret) {	129!
319	try {	13✔
320	if (!this.userConfig.apiBaseUrl.startsWith("https://")) {	13!
321	const message =	×
322	"Failed to validate MongoDB Atlas the credentials from config: apiBaseUrl must start with https://";	×
323	console.error(message);	×
324	throw new Error(message);	×
UNCOV 325	}	×
326
327	await this.session.apiClient.validateAccessToken();	13✔
328	} catch (error) {	13!
329	if (this.userConfig.connectionString === undefined) {	×
UNCOV 330	console.error("Failed to validate MongoDB Atlas the credentials from the config: ", error);	×
331
332	throw new Error(	×
333	"Failed to connect to MongoDB Atlas instance using the credentials from the config"	×
334	);	×
335	}	×
336	console.error(	×
337	"Failed to validate MongoDB Atlas the credentials from the config, but validated the connection string."	×
338	);	×
UNCOV 339	}	×
340	}	13✔
341	}	129✔
342
343	private async connectToConfigConnectionString(): Promise<void> {	3✔
344	if (this.userConfig.connectionString) {	122!
345	try {	8✔
346	this.session.logger.info({	8✔
347	id: LogId.mongodbConnectTry,	8✔
348	context: "server",	8✔
349	message: `Detected a MongoDB connection string in the configuration, trying to connect...`,	8✔
350	});	8✔
351	await this.session.connectToConfiguredConnection();	8✔
352	} catch (error) {	8✔
353	// We don't throw an error here because we want to allow the server to start even if the connection string is invalid.
354	this.session.logger.error({	2✔
355	id: LogId.mongodbConnectFailure,	2✔
356	context: "server",	2✔
357	message: `Failed to connect to MongoDB instance using the connection string from the config: ${error instanceof Error ? error.message : String(error)}`,	2!
358	});	2✔
359	}	2✔
360	}	8✔
361	}	122✔
362	}	3✔

mongodb-js / mongodb-mcp-server / 20852798965

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