diff --git a/packages/botonic-dx-rs/CHANGELOG.md b/packages/botonic-dx-rs/CHANGELOG.md
new file mode 100644
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+++ b/packages/botonic-dx-rs/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Changelog
+
+All notable changes to this package will be documented in this file.
+
+## [0.45.0-alpha.0] - 2026-02-11
+
+### Added
+
+- Initial package setup for `@botonic/dx-rs`.
+- Baseline config files for Rspack, Biome and Jest.
+- `sample-config` files to consume and extend the shared baseline without copying it.
diff --git a/packages/botonic-dx-rs/README.md b/packages/botonic-dx-rs/README.md
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+++ b/packages/botonic-dx-rs/README.md
@@ -0,0 +1,27 @@
+# @botonic/dx-rs
+
+Developer-experience package that will progressively replace `@botonic/dx`.
+
+## Setup
+
+- Install this package:
+
+```bash
+npm install -D @botonic/dx-rs
+```
+
+- Copy the contents of `sample-config` to the root of your bot project.
+- Extend any config file locally without duplicating baseline configs.
+
+## Included baseline files
+
+- `baseline/rspack.config.ts`
+- `baseline/biome.json`
+- `baseline/jest.config.js`
+
+## Included sample-config files
+
+- `sample-config/rspack.config.ts`
+- `sample-config/biome.json`
+- `sample-config/jest.config.js`
+- `sample-config/package.json`
diff --git a/packages/botonic-dx-rs/baseline/biome.json b/packages/botonic-dx-rs/baseline/biome.json
new file mode 100644
index 0000000000..a09aa9679c
--- /dev/null
+++ b/packages/botonic-dx-rs/baseline/biome.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.3.0/schema.json",
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineWidth": 100
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  }
+}
diff --git a/packages/botonic-dx-rs/baseline/jest.config.js b/packages/botonic-dx-rs/baseline/jest.config.js
new file mode 100644
index 0000000000..f72e48fadb
--- /dev/null
+++ b/packages/botonic-dx-rs/baseline/jest.config.js
@@ -0,0 +1,5 @@
+/** @type {import('jest').Config} */
+module.exports = {
+  clearMocks: true,
+  testEnvironment: 'node',
+}
diff --git a/packages/botonic-dx-rs/baseline/rspack.config.ts b/packages/botonic-dx-rs/baseline/rspack.config.ts
new file mode 100644
index 0000000000..a6cc70701c
--- /dev/null
+++ b/packages/botonic-dx-rs/baseline/rspack.config.ts
@@ -0,0 +1,5 @@
+import { defineConfig } from '@rspack/core'
+
+export default defineConfig({
+  mode: 'production',
+})
diff --git a/packages/botonic-dx-rs/package.json b/packages/botonic-dx-rs/package.json
new file mode 100644
index 0000000000..cfa4f2ac91
--- /dev/null
+++ b/packages/botonic-dx-rs/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "@botonic/dx-rs",
+  "version": "0.45.0-alpha.0",
+  "description": "Developer experience baseline for the upcoming Botonic RS toolchain",
+  "scripts": {
+    "build": "echo Skipping build..."
+  },
+  "author": "",
+  "license": "MIT",
+  "keywords": [
+    "bot-framework",
+    "javascript",
+    "typescript",
+    "rspack",
+    "biome"
+  ],
+  "dependencies": {
+    "@biomejs/biome": "^2.3.13",
+    "@rspack/core": "^1.7.3",
+    "jest": "^30.2.0"
+  },
+  "engines": {
+    "node": ">=22.19.0",
+    "npm": ">=10.0.0"
+  },
+  "files": [
+    "README.md",
+    "CHANGELOG.md",
+    "baseline/*",
+    "sample-config/*"
+  ]
+}
diff --git a/packages/botonic-dx-rs/sample-config/biome.json b/packages/botonic-dx-rs/sample-config/biome.json
new file mode 100644
index 0000000000..33302d18e3
--- /dev/null
+++ b/packages/botonic-dx-rs/sample-config/biome.json
@@ -0,0 +1,4 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.3.0/schema.json",
+  "extends": ["./node_modules/@botonic/dx-rs/baseline/biome.json"]
+}
diff --git a/packages/botonic-dx-rs/sample-config/jest.config.js b/packages/botonic-dx-rs/sample-config/jest.config.js
new file mode 100644
index 0000000000..900b2eacfc
--- /dev/null
+++ b/packages/botonic-dx-rs/sample-config/jest.config.js
@@ -0,0 +1,8 @@
+/** @type {import('jest').Config} */
+const config = require('@botonic/dx-rs/baseline/jest.config.js')
+
+// Patch here your custom Jest configuration.
+// Example:
+// config.testPathIgnorePatterns = [...(config.testPathIgnorePatterns || []), 'tests/helpers']
+
+module.exports = config
diff --git a/packages/botonic-dx-rs/sample-config/package.json b/packages/botonic-dx-rs/sample-config/package.json
new file mode 100644
index 0000000000..a1ce03ce45
--- /dev/null
+++ b/packages/botonic-dx-rs/sample-config/package.json
@@ -0,0 +1,8 @@
+{
+  "scripts": {
+    "format": "biome format --write src/ tests/",
+    "lint": "biome lint --write src/ tests/",
+    "lint:check": "biome lint src/ tests/",
+    "test": "jest"
+  }
+}
diff --git a/packages/botonic-dx-rs/sample-config/rspack.config.ts b/packages/botonic-dx-rs/sample-config/rspack.config.ts
new file mode 100644
index 0000000000..01b487c7cd
--- /dev/null
+++ b/packages/botonic-dx-rs/sample-config/rspack.config.ts
@@ -0,0 +1,12 @@
+import baseConfig from '@botonic/dx-rs/baseline/rspack.config'
+
+// Extend the shared Rspack baseline for your bot project.
+// Example:
+// export default {
+//   ...baseConfig,
+//   mode: 'development',
+// }
+
+export default {
+  ...baseConfig,
+}