diff --git a/CHANGELOG.md b/CHANGELOG.md
index e12ec2c..c557e12 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+## 0.13.0 (TBD)
+
+- [#37](https://github.com/codeocean/codeocean-mcp-server/pull/37) feat: add public release capsule/pipeline API
+- **Requires `codeocean>=0.17.0`.**
+
 ## 0.12.2 (2026-09-03)
 
 - [#42](https://github.com/codeocean/codeocean-mcp-server/pull/42) fix: run synchronous tool bodies in a worker thread
diff --git a/README.md b/README.md
index ecdcbde..43949fa 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Model Context Protocol (MCP) server for Code Ocean.
 
-This MCP server provides tools to search and run capsules and pipelines, and manage data assets.
+This MCP server provides tools to search, run, and release capsules and pipelines, and manage data assets.
 
 ## Table of Contents
 
diff --git a/pyproject.toml b/pyproject.toml
index c3d1af5..32303e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "codeocean-mcp-server"
-version = "0.12.2"
+version = "0.13.0"
 authors = [{ name = "Code Ocean", email = "dev@codeocean.com" }]
 description = "Code Ocean MCP Server"
 readme = "README.md"
@@ -12,7 +12,7 @@ classifiers = [
 ]
 dependencies = [
   "anyio>=4.5",
-  "codeocean>=0.14.0,<0.15.0",
+  "codeocean>=0.17.0,<0.18.0",
   "mcp>=1.23.0,<1.24.0",
 ]
 license = "MIT"
diff --git a/src/codeocean_mcp_server/tools/capsules.py b/src/codeocean_mcp_server/tools/capsules.py
index 195e4e0..8a72da2 100644
--- a/src/codeocean_mcp_server/tools/capsules.py
+++ b/src/codeocean_mcp_server/tools/capsules.py
@@ -2,6 +2,7 @@
 from codeocean.capsule import (
     AppPanel,
     Capsule,
+    CapsuleReleaseJob,
     CapsuleSearchParams,
     Computation,
     DataAssetAttachParams,
@@ -86,3 +87,35 @@ def detach_data_assets(capsule_id: str, data_assets: list[str]) -> None:
     def get_capsule_app_panel(capsule_id: str, version: int | None = None) -> AppPanelModel:
         """Retrieve the app panel for a capsule, optionally for a specific version."""
         return client.capsules.get_capsule_app_panel(capsule_id, version)
+
+    @mcp.tool(description=str(client.capsules.release_capsule.__doc__))
+    def release_capsule(capsule_id: str) -> CapsuleReleaseJob:
+        """Start releasing a new version of an already-released capsule."""
+        return client.capsules.release_capsule(capsule_id)
+
+    @mcp.tool(description=str(client.pipelines.release_pipeline.__doc__))
+    def release_pipeline(pipeline_id: str) -> CapsuleReleaseJob:
+        """Start releasing a new version of an already-released pipeline."""
+        return client.pipelines.release_pipeline(pipeline_id)
+
+    @mcp.tool(description=str(client.capsules.get_release_job.__doc__))
+    def get_capsule_release_job(capsule_id: str, job_id: str) -> CapsuleReleaseJob:
+        """Get the status of a capsule release job."""
+        return client.capsules.get_release_job(capsule_id, job_id)
+
+    @mcp.tool(description=str(client.pipelines.get_release_job.__doc__))
+    def get_pipeline_release_job(pipeline_id: str, job_id: str) -> CapsuleReleaseJob:
+        """Get the status of a pipeline release job."""
+        return client.pipelines.get_release_job(pipeline_id, job_id)
+
+    @mcp.tool(description=str(client.capsules.wait_until_release_completed.__doc__))
+    def wait_until_capsule_release_completed(capsule_id: str, job_id: str) -> CapsuleReleaseJob:
+        """Wait until a capsule release job reaches a terminal state and return it."""
+        job = client.capsules.get_release_job(capsule_id, job_id)
+        return client.capsules.wait_until_release_completed(capsule_id, job)
+
+    @mcp.tool(description=str(client.pipelines.wait_until_release_completed.__doc__))
+    def wait_until_pipeline_release_completed(pipeline_id: str, job_id: str) -> CapsuleReleaseJob:
+        """Wait until a pipeline release job reaches a terminal state and return it."""
+        job = client.pipelines.get_release_job(pipeline_id, job_id)
+        return client.pipelines.wait_until_release_completed(pipeline_id, job)