The Microsoft Bot Framework provides what you need to build and connect intelligent bots that interact naturally wherever your users are talking, from text/sms to Skype, Slack, Office 365 mail and other popular services.
cleemullins Merge pull request #638 from Microsoft/jeffders/emulatorWorkWithGov
Updates to validate emulator JWT tokens from US Gov
Latest commit 0bf7a14 Nov 15, 2018

Bot Builder SDK v4

Branch Description Build Status Coverage Status
Master 4.2.* Preview Builds Build status Coverage Status
4.1 4.1.* Patch Builds Build status Coverage Status
4.0 4.0.* Patch Builds Build status Coverage Status

License Gitter


This repository contains code for the JavaScript version of the Microsoft Bot Builder SDK. The Bot Builder SDK v4 is the latest SDK for building bot applications.

In addition to the JavaScript SDK, Bot Builder supports creating bots in other popular programming languages like .NET, Python, and Java.

To get started see the Azure Bot Service Documentation for the v4 SDK.

A rich set of samples are available at BotBuilder-Samples repository.


Name Released Package Daily Build
botbuilder BotBuilder Badge TBD
botbuilder-ai BotBuilder Badge TBD
botbuilder-azure BotBuilder Badge TBD
botbuilder-core BotBuilder Badge TBD
botbuilder-dialogs BotBuilder Badge TBD
botframework-config BotBuilder Badge TBD
botframework-connector BotBuilder Badge TBD
botframework-schema BotBuilder Badge TBD

To use the daily builds, which are published to MyGet, please follow the instructions here.


This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact with any additional questions or comments.

See our Contribution Guidelines for more details.

Reporting Security Issues

Security issues and bugs should be reported privately, via email, to the Microsoft Security Response Center (MSRC) at You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Further information, including the MSRC PGP key, can be found in the Security TechCenter.


Copyright (c) Microsoft Corporation. All rights reserved.

Licensed under the MIT License.