cosmos-kit

February 28, 2026 · View on GitHub


Cosmos Kit is a universal wallet adapter for developers to build apps that quickly and easily interact with Cosmos blockchains and wallets.

⚠️ UPGRADE to 3.0

Cosmos Kit 3.0 and Create Cosmos App 2.0 is here!

Please use interchain-kit, the official successor with improved tooling, broader compatibility, and full Interchain ecosystem support. You can also see create-interchain-app our official starter kit that supports Interchain Kit.

🏁 Quickstart

Get started quickly by using create-cosmos-app to help you build high-quality Cosmos apps fast!

⚙️ Configuration

Check out our docs here to configure CosmosKit.

⚛️ CosmJS Signers

If you want to get a cosmjs stargate or cosmwasm signer, here are docs for our hooks

📦 Packages

NameDescription
cosmos-kitSingle package for React developers to install Cosmos Kit
@cosmos-kit/coreCore Cosmos Kit functionality
@cosmos-kit/walletconnectMobile WalletConnect support for the Cosmos ecosystem
@cosmos-kit/reactReact integration with Interchain UI Modal for simple usage
@cosmos-kit/react-liteA lightweight version of React integration without UI for customization

📦 Wallets

Explore the range of wallet adapters available in our wallets directory.



🔌 Integrating Wallets

See our docs on integrating your wallet

🚀 Running Example

For high-level examples suitable for most developers, explore our create-cosmos-app. For a deeper, more technical understanding, this repository contains an example, which is also useful when integrating new wallets.

pnpm run build
cd packages/example
pnpm dev

Basic Next.js Example

This example demonstrates a Next.js project that integrates the @cosmos-kit/react wallet adapter. Note that this example has historically been used by multiple teams to test PRs.

"vanilla" example showing how WalletManager works

This example is ideal for developers looking to create integrations for Vue.js, Svelte, or other frameworks. It uses a basic Next.js setup without relying on React-specific hooks, providing a clear model for building custom integrations.

  • /wallet-manager - Index page for wallet functionality
  • /wallet-manager/wallet-operate - Operate Wallet Directly
  • /wallet-manager/main-wallets - Show All Main Wallets
  • /wallet-manager/wallet-manager - Wallet Manager Without Hook
  • /wallet-manager/wallet-repos - Show All Wallet Repos
  • /wallet-manager/wallet-repo - Show One Wallet Repo

🛠 Developing

Checkout the repository and bootstrap the pnpm workspace:

# Clone the repo.
git clone https://github.com/hyperweb-io/cosmos-kit
cd cosmos-kit
pnpm install

Building

pnpm run build

Publishing

lerna publish
# lerna publish minor
# lerna publish major

Interchain JavaScript Stack

A unified toolkit for building applications and smart contracts in the Interchain ecosystem ⚛️

CategoryToolsDescription
Chain InformationChain Registry, Utils, ClientEverything from token symbols, logos, and IBC denominations for all assets you want to support in your application.
Wallet ConnectorsInterchain Kitbeta, Cosmos KitExperience the convenience of connecting with a variety of web3 wallets through a single, streamlined interface.
Signing ClientsInterchainJSbeta, CosmJSA single, universal signing interface for any network
SDK ClientsTelescopeYour Frontend Companion for Building with TypeScript with Cosmos SDK Modules.
Starter KitsCreate Interchain Appbeta, Create Cosmos AppSet up a modern Interchain app by running one command.
UI KitsInterchain UIThe Interchain Design System, empowering developers with a flexible, easy-to-use UI kit.
Testing FrameworksStarshipUnified Testing and Development for the Interchain.
TypeScript Smart ContractsCreate Hyperweb AppBuild and deploy full-stack blockchain applications with TypeScript
CosmWasm ContractsCosmWasm TS CodegenConvert your CosmWasm smart contracts into dev-friendly TypeScript classes.

Credits

🛠 Built by the Constructive team — makers of Hyperweb

Disclaimer

AS DESCRIBED IN THE LICENSES, THE SOFTWARE IS PROVIDED “AS IS”, AT YOUR OWN RISK, AND WITHOUT WARRANTIES OF ANY KIND.

No developer or entity involved in creating this software will be liable for any claims or damages whatsoever associated with your use, inability to use, or your interaction with other users of the code, including any direct, indirect, incidental, special, exemplary, punitive or consequential damages, or loss of profits, cryptocurrencies, tokens, or anything else of value.