From 765431765f516d668d4983ce58c151e036b87025 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Wed, 17 Jun 2026 17:32:00 +0000
Subject: [PATCH 1/2] fix(client): send content-type header for requests with
 an omitted optional body

---
 src/client.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/client.ts b/src/client.ts
index eb4689c9..0c68bf4e 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -774,11 +774,19 @@ export class Writer {
     return () => controller.abort();
   }
 
-  private buildBody({ options: { body, headers: rawHeaders } }: { options: FinalRequestOptions }): {
+  private buildBody({ options }: { options: FinalRequestOptions }): {
     bodyHeaders: HeadersLike;
     body: BodyInit | undefined;
   } {
+    const { body, headers: rawHeaders } = options;
     if (!body) {
+      // A resource method always passes a `body` key when its operation defines a
+      // request body, even if the caller omitted an optional body param. Keep the
+      // content-type for those, and only elide it for operations with no body at
+      // all (e.g. GET/DELETE).
+      if (body == null && 'body' in options) {
+        return this.#encoder({ body, headers: buildHeaders([rawHeaders]) });
+      }
       return { bodyHeaders: undefined, body: undefined };
     }
     const headers = buildHeaders([rawHeaders]);

From f2b08b10a83b75f986a9e8970878c0382323a9d5 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Wed, 17 Jun 2026 17:32:29 +0000
Subject: [PATCH 2/2] release: 3.0.1

---
 .release-please-manifest.json     | 2 +-
 CHANGELOG.md                      | 8 ++++++++
 package.json                      | 2 +-
 packages/mcp-server/manifest.json | 2 +-
 packages/mcp-server/package.json  | 2 +-
 packages/mcp-server/src/server.ts | 2 +-
 src/version.ts                    | 2 +-
 7 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d4f6f299..d6f54056 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.0.0"
+  ".": "3.0.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7570184..ca04f422 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 3.0.1 (2026-06-17)
+
+Full Changelog: [v3.0.0...v3.0.1](https://github.com/writer/writer-node/compare/v3.0.0...v3.0.1)
+
+### Bug Fixes
+
+* **client:** send content-type header for requests with an omitted optional body ([7654317](https://github.com/writer/writer-node/commit/765431765f516d668d4983ce58c151e036b87025))
+
 ## 3.0.0 (2026-06-02)
 
 Full Changelog: [v3.0.0...v3.0.0](https://github.com/writer/writer-node/compare/v3.0.0...v3.0.0)
diff --git a/package.json b/package.json
index 4577ad04..23cb3aaf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "writer-sdk",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "The official TypeScript library for the Writer API",
   "author": "Writer <dev-feedback@writer.com>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/manifest.json b/packages/mcp-server/manifest.json
index a870fd12..83213136 100644
--- a/packages/mcp-server/manifest.json
+++ b/packages/mcp-server/manifest.json
@@ -1,7 +1,7 @@
 {
   "dxt_version": "0.2",
   "name": "writer-sdk-mcp",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "The official MCP Server for the Writer API",
   "author": {
     "name": "Writer",
diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index 7b32ac90..eddb3ac7 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "writer-sdk-mcp",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "The official MCP Server for the Writer API",
   "author": "Writer <dev-feedback@writer.com>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/src/server.ts b/packages/mcp-server/src/server.ts
index c57801b0..ab5d796c 100644
--- a/packages/mcp-server/src/server.ts
+++ b/packages/mcp-server/src/server.ts
@@ -28,7 +28,7 @@ export const newMcpServer = async ({
   new McpServer(
     {
       name: 'writer_sdk_api',
-      version: '3.0.0',
+      version: '3.0.1',
     },
     {
       instructions: await getInstructions({ stainlessApiKey, customInstructionsPath }),
diff --git a/src/version.ts b/src/version.ts
index bccd5c23..6f5a602e 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '3.0.0'; // x-release-please-version
+export const VERSION = '3.0.1'; // x-release-please-version