modelstudioai · heimanba · Jul 24, 2026 · Jul 24, 2026 · Jul 24, 2026
diff --git a/.changeset/sdk-node-engines-floor.md b/.changeset/sdk-node-engines-floor.md
diff --git a/apps/server/CHANGELOG.md b/apps/server/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @openagentpack/server
 
+## 0.0.7
+
+### Patch Changes
+
+- Updated dependencies [32778d4]
+  - @openagentpack/sdk@0.3.1
+
 ## 0.0.6
 
 ### Patch Changes

diff --git a/apps/server/package.json b/apps/server/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@openagentpack/server",
-	"version": "0.0.6",
+	"version": "0.0.7",
 	"private": true,
 	"license": "Apache-2.0",
 	"exports": {

diff --git a/packages/cli/CHANGELOG.md b/packages/cli/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @openagentpack/cli
 
+## 0.3.1
+
+### Patch Changes
+
+- Updated dependencies [32778d4]
+  - @openagentpack/sdk@0.3.1
+
 ## 0.3.0
 
 ### Minor Changes

diff --git a/packages/cli/package.json b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@openagentpack/cli",
-	"version": "0.3.0",
+	"version": "0.3.1",
 	"description": "Open Agent Pack — Declaratively manage AI agent infrastructure",
 	"license": "Apache-2.0",
 	"keywords": [

diff --git a/packages/playground/CHANGELOG.md b/packages/playground/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @openagentpack/playground
 
+## 0.3.1
+
+### Patch Changes
+
+- Updated dependencies [32778d4]
+  - @openagentpack/sdk@0.3.1
+
 ## 0.3.0
 
 ### Patch Changes

diff --git a/packages/playground/package.json b/packages/playground/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@openagentpack/playground",
-	"version": "0.3.0",
+	"version": "0.3.1",
 	"description": "OpenAgentPack Playground — one-command local web UI for OpenAgentPack",
 	"license": "Apache-2.0",
 	"keywords": [

diff --git a/packages/sdk/CHANGELOG.md b/packages/sdk/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @openagentpack/sdk
 
+## 0.3.1
+
+### Patch Changes
+
+- 32778d4: Lower the SDK `engines` floor from Node `>=22` to `>=18.17.0`.
+
+  The SDK runtime only relies on APIs available since Node 18.17 (`node:fs`/`path`/`crypto`/`os`, global `fetch`/`FormData`, `structuredClone`, web streams), so the previous floor was a repository baseline rather than a runtime requirement. The tsup build target is pinned to `es2022` so emitted syntax stays parseable on the new floor, and CI now runs an SDK-only packed-install smoke on Node 18 and 20 (`smoke-packed.ts --sdk-only`) to enforce the contract. The `@openagentpack/cli` and `@openagentpack/playground` packages keep their Node `>=22` requirement.
+
 ## 0.3.0
 
 ### Minor Changes

diff --git a/packages/sdk/package.json b/packages/sdk/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@openagentpack/sdk",
-	"version": "0.3.0",
+	"version": "0.3.1",
 	"description": "OpenAgentPack SDK (Node-compatible runtime)",
 	"license": "Apache-2.0",
 	"keywords": [