19641075675

Committed 24 Nov 2025 04:12PM UTC coverage: 80.33% (+0.2%) from 80.116%

Build # 19641075675

Build Type

Pull #749

github

Committed by

web-flow

Commit Message

Merge aa9c57feb into e4d3d7bc6

Pull Request Pull Request #749: chore: split connect and switch-connection tool MCP-301

Run Details

1344 of 1772 branches covered (75.85%)

Branch coverage included in aggregate %.

79 of 94 new or added lines in 6 files covered. (84.04%)

1 existing line in 1 file now uncovered.

6403 of 7872 relevant lines covered (81.34%)

68.12 hits per line

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92.68

/src/tools/mongodb/connect/connect.ts

import { z } from "zod";
import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
import { MongoDBToolBase } from "../mongodbTool.js";
import type { ToolArgs, OperationType, ToolConstructorParams } from "../../tool.js";
import type { Server } from "../../../server.js";
export class ConnectTool extends MongoDBToolBase {
    public override name = "connect";
    protected override description =
        "Connect to a MongoDB instance. The config resource captures if the server is already connected to a MongoDB cluster. If the user has configured a connection string or has previously called the connect tool, a connection is already established and there's no need to call this tool unless the user has explicitly requested to switch to a new MongoDB cluster.";

    // Here the default is empty just to trigger registration, but we're going to override it with the correct
    // schema in the register method.
    protected override argsShape = {
        connectionString: z.string().describe("MongoDB connection string (in the mongodb:// or mongodb+srv:// format)"),
    };

    public override operationType: OperationType = "connect";

    constructor({ session, config, telemetry, elicitation }: ToolConstructorParams) {
        super({ session, config, telemetry, elicitation });
        session.on("connect", () => {
            this.disable();
        });

        session.on("disconnect", () => {
            this.enable();
        });
    }

    public override register(server: Server): boolean {
        const registrationSuccessful = super.register(server);
        /**
         * When connected to mongodb we want to swap connect with
         * switch-connection tool.
         */
        if (registrationSuccessful && this.session.isConnectedToMongoDB) {
            this.disable();
        }
        return registrationSuccessful;
    }

    protected override async execute({ connectionString }: ToolArgs<typeof this.argsShape>): Promise<CallToolResult> {
        await this.session.connectToMongoDB({ connectionString });

        return {
            content: [{ type: "text", text: "Successfully connected to MongoDB." }],
        };
    }
}

1	import { z } from "zod";	3✔
2	import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
3	import { MongoDBToolBase } from "../mongodbTool.js";	3✔
4	import type { ToolArgs, OperationType, ToolConstructorParams } from "../../tool.js";
5	import type { Server } from "../../../server.js";
6	export class ConnectTool extends MongoDBToolBase {	3✔
7	public override name = "connect";	3✔
8	protected override description =	3✔
9	"Connect to a MongoDB instance. The config resource captures if the server is already connected to a MongoDB cluster. If the user has configured a connection string or has previously called the connect tool, a connection is already established and there's no need to call this tool unless the user has explicitly requested to switch to a new MongoDB cluster.";	3✔
10
11	// Here the default is empty just to trigger registration, but we're going to override it with the correct
12	// schema in the register method.
13	protected override argsShape = {	3✔
14	connectionString: z.string().describe("MongoDB connection string (in the mongodb:// or mongodb+srv:// format)"),	3✔
15	};	3✔
16
17	public override operationType: OperationType = "connect";	3✔
18
19	constructor({ session, config, telemetry, elicitation }: ToolConstructorParams) {	3✔
20	super({ session, config, telemetry, elicitation });	105✔
21	session.on("connect", () => {	105✔
22	this.disable();	289✔
23	});	105✔
24
25	session.on("disconnect", () => {	105✔
26	this.enable();	307✔
27	});	105✔
28	}	105✔
29
30	public override register(server: Server): boolean {	3✔
31	const registrationSuccessful = super.register(server);	105✔
32	/**
33	* When connected to mongodb we want to swap connect with
34	* switch-connection tool.
35	*/
36	if (registrationSuccessful && this.session.isConnectedToMongoDB) {	105!
NEW 37	this.disable();	×
UNCOV 38	}	×
39	return registrationSuccessful;	105✔
40	}	105✔
41
42	protected override async execute({ connectionString }: ToolArgs<typeof this.argsShape>): Promise<CallToolResult> {	3✔
43	await this.session.connectToMongoDB({ connectionString });	221✔
44
45	return {	220✔
46	content: [{ type: "text", text: "Successfully connected to MongoDB." }],	220✔
47	};	220✔
48	}	221✔
49	}	3✔

mongodb-js / mongodb-mcp-server / 19641075675

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