Add Sei MCP Server as new package

.changeset/thirty-results-thank.md

@@ -0,0 +1,5 @@
+---
+"@sei-js/mcp-server": patch
+---
+
+Initial release of @sei-js/mcp-server

README.md

@@ -4,24 +4,28 @@ SeiJS is a monorepo that contains multiple NPM libraries for writing application
 
 ## Documentation
 
-Please check [our documentation](https://docs.sei.io) for notes on how to get up and running. The tutorial has examples on how to connect to a Sei wallet, query an RPC endpoint, transfer tokens, IBC transfer, and interact with contracts.
-
-You can also refer to the [typedoc documentation](https://sei-protocol.github.io/sei-js/) for reference on the contents of the @sei-js/core and @sei-js/react library.
+Please check [our documentation](https://docs.sei.io) for notes on how to get up and running. The tutorial has examples
+on how to connect to a Sei wallet, query an RPC endpoint, transfer tokens, IBC transfer, and interact with contracts.
 
+You can also refer to the [typedoc documentation](https://sei-protocol.github.io/sei-js/) for reference on the contents
+of the @sei-js/core and @sei-js/react library.
 
 ## Packages
 
-SeiJS consists of smaller NPM packages within the @sei-js namespace. For more detailed documentation on each package, please refer to the table below.
+SeiJS consists of smaller NPM packages within the @sei-js namespace. For more detailed documentation on each package,
+please refer to the table below.
 
 | Package                                                 | Description                                                                                                                     |
 |---------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------|
 | [@sei-js/evm](packages/evm)                             | Typescript library containing helper functions for interacting with the EVM on Sei.                                             |
 | [@sei-js/create-sei](packages/create-sei)               | CLI Tool used to quickly spin up Sei Projects and dApps in either the cosmos or EVM ecosystem                                   |
+| [@sei-js/mcp-server](packages/mcp-server)               | MCP server for interacting with Sei via LLM's and agents                                                                        |
 | [@sei-js/sei-global-wallet](packages/sei-global-wallet) | A global wallet conforming to EIP-6963 allowing for AA across dApps.                                                            |
 | [@sei-js/cosmjs](packages/cosmjs)                       | TypeScript library containing helper functions for wallet connection, transaction signing, and RPC querying using cosmjs.       |
 | [@sei-js/cosmos](packages/cosmos)                       | TypeScript library for Sei protobuf encoding and decoding, a REST query client, and Typescript types for everything Sei Cosmos. |
 | [@sei-js/ledger](packages/ledger)                       | TypeScript library transacting on Sei using a Ledger device.                                                                    |
 
 ## Development
+
 To build all packages and docs, run `yarn install` then `yarn build:all`
 

packages/mcp-server/.env.example

@@ -0,0 +1,6 @@
+# Sei MCP Server Environment Variables
+
+# Private key for blockchain transactions (without 0x prefix)
+# This is used when no private key is provided in the request
+# SECURITY: Never commit your actual private key to version control
+PRIVATE_KEY=your_private_key_here

packages/mcp-server/.gitignore

@@ -0,0 +1,34 @@
+# dependencies (bun install)
+node_modules
+
+# output
+out
+dist
+*.tgz
+
+# code coverage
+coverage
+*.lcov
+
+# logs
+logs
+_.log
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# caches
+.eslintcache
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Context
+mcp-context/
+dist/
+
+# Environment variables
+.env
+
+# Finder (MacOS) folder config
+.DS_Store

packages/mcp-server/.npmignore

@@ -0,0 +1,32 @@
+# Source code (since we're publishing built files)
+src/
+
+# Development files
+.git/
+.github/
+.vscode/
+.idea/
+.cursor/
+mcp-context/
+*.tsbuildinfo
+
+# Temp files
+tmp/
+temp/
+
+# Test files
+test/
+tests/
+__tests__/
+*.spec.ts
+*.test.ts
+
+# Docs (except README.md which is included in "files")
+docs/
+
+# Build artifacts
+node_modules/
+coverage/
+bun.lock
+yarn.lock
+package-lock.json 

packages/mcp-server/CHANGELOG.md

@@ -0,0 +1 @@
+# Changelog

packages/mcp-server/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 mcpdotdirect
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.