diff --git a/CHANGELOG.md b/CHANGELOG.md
index 885ac600..5539362a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fixed PHP 8.4 deprecations
 - Fixed outdated tests
 ### Updated APIs
+- Updated opensearch-php APIs to reflect [opensearch-api-specification@d8e4583](https://github.com/opensearch-project/opensearch-api-specification/commit/d8e45836afad678ab02f7e729e43b850443b90fb)
 - Updated opensearch-php APIs to reflect [opensearch-api-specification@1422af3](https://github.com/opensearch-project/opensearch-api-specification/commit/1422af3cddc8140fe9c3d59ee0205b278e193bb9)
 - Updated opensearch-php APIs to reflect [opensearch-api-specification@2395cb4](https://github.com/opensearch-project/opensearch-api-specification/commit/2395cb472ec5581656aac184f7b20548cd5b06ac)
 - Updated opensearch-php APIs to reflect [opensearch-api-specification@ebe0f8a](https://github.com/opensearch-project/opensearch-api-specification/commit/ebe0f8a885f7db7e882d160c101055a5aa70a707)
diff --git a/src/OpenSearch/Endpoints/Ml/ExecuteAgent.php b/src/OpenSearch/Endpoints/Ml/ExecuteAgent.php
new file mode 100644
index 00000000..f41687ba
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Ml/ExecuteAgent.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Ml;
+
+use OpenSearch\Common\Exceptions\RuntimeException;
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class ExecuteAgent extends AbstractEndpoint
+{
+    protected $agent_id;
+
+    public function getURI(): string
+    {
+        $agent_id = $this->agent_id ?? null;
+        if (isset($agent_id)) {
+            return "/_plugins/_ml/agents/$agent_id/_execute";
+        }
+        throw new RuntimeException('Missing parameter for the endpoint ml.execute_agent');
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'POST';
+    }
+
+    public function setBody($body): static
+    {
+        if (is_null($body)) {
+            return $this;
+        }
+        $this->body = $body;
+
+        return $this;
+    }
+
+    public function setAgentId($agent_id): static
+    {
+        if (is_null($agent_id)) {
+            return $this;
+        }
+        $this->agent_id = $agent_id;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Ml/GetAgent.php b/src/OpenSearch/Endpoints/Ml/GetAgent.php
new file mode 100644
index 00000000..6d3d16c1
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Ml/GetAgent.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Ml;
+
+use OpenSearch\Common\Exceptions\RuntimeException;
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class GetAgent extends AbstractEndpoint
+{
+    protected $agent_id;
+
+    public function getURI(): string
+    {
+        $agent_id = $this->agent_id ?? null;
+        if (isset($agent_id)) {
+            return "/_plugins/_ml/agents/$agent_id";
+        }
+        throw new RuntimeException('Missing parameter for the endpoint ml.get_agent');
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'GET';
+    }
+
+    public function setAgentId($agent_id): static
+    {
+        if (is_null($agent_id)) {
+            return $this;
+        }
+        $this->agent_id = $agent_id;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Ml/GetAllTools.php b/src/OpenSearch/Endpoints/Ml/GetAllTools.php
new file mode 100644
index 00000000..19ef499c
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Ml/GetAllTools.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Ml;
+
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class GetAllTools extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        return "/_plugins/_ml/tools";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'GET';
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Ml/GetStats.php b/src/OpenSearch/Endpoints/Ml/GetStats.php
index 284cd971..324092ca 100644
--- a/src/OpenSearch/Endpoints/Ml/GetStats.php
+++ b/src/OpenSearch/Endpoints/Ml/GetStats.php
@@ -33,7 +33,7 @@ public function getURI(): string
             return "/_plugins/_ml/$node_id/stats/$stat";
         }
         if (isset($node_id)) {
-            return "/_plugins/_ml/$node_id/stats/";
+            return "/_plugins/_ml/$node_id/stats";
         }
         if (isset($stat)) {
             return "/_plugins/_ml/stats/$stat";
diff --git a/src/OpenSearch/Endpoints/Ml/GetTool.php b/src/OpenSearch/Endpoints/Ml/GetTool.php
new file mode 100644
index 00000000..b0e77c90
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Ml/GetTool.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Ml;
+
+use OpenSearch\Common\Exceptions\RuntimeException;
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class GetTool extends AbstractEndpoint
+{
+    protected $tool_name;
+
+    public function getURI(): string
+    {
+        $tool_name = $this->tool_name ?? null;
+        if (isset($tool_name)) {
+            return "/_plugins/_ml/tools/$tool_name";
+        }
+        throw new RuntimeException('Missing parameter for the endpoint ml.get_tool');
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'GET';
+    }
+
+    public function setToolName($tool_name): static
+    {
+        if (is_null($tool_name)) {
+            return $this;
+        }
+        $this->tool_name = $tool_name;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Ml/SearchAgents.php b/src/OpenSearch/Endpoints/Ml/SearchAgents.php
new file mode 100644
index 00000000..b236cd93
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Ml/SearchAgents.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Ml;
+
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class SearchAgents extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        return "/_plugins/_ml/agents/_search";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return isset($this->body) ? 'POST' : 'GET';
+    }
+
+    public function setBody($body): static
+    {
+        if (is_null($body)) {
+            return $this;
+        }
+        $this->body = $body;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Ml/SearchTasks.php b/src/OpenSearch/Endpoints/Ml/SearchTasks.php
new file mode 100644
index 00000000..75bb1119
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Ml/SearchTasks.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Ml;
+
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class SearchTasks extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        return "/_plugins/_ml/tasks/_search";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return isset($this->body) ? 'POST' : 'GET';
+    }
+
+    public function setBody($body): static
+    {
+        if (is_null($body)) {
+            return $this;
+        }
+        $this->body = $body;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Namespaces/MlNamespace.php b/src/OpenSearch/Namespaces/MlNamespace.php
index 4b3961bc..c578de47 100644
--- a/src/OpenSearch/Namespaces/MlNamespace.php
+++ b/src/OpenSearch/Namespaces/MlNamespace.php
@@ -293,6 +293,56 @@ public function deleteTask(array $params = [])
         return $this->performRequest($endpoint);
     }
 
+    /**
+     * Execute an agent.
+     *
+     * $params['agent_id']    = (string)
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response. (Default = false)
+     * $params['human']       = (boolean) Whether to return human readable values for statistics. (Default = true)
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors. (Default = false)
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Used to reduce the response. This parameter takes a comma-separated list of filters. It supports using wildcards to match any field or part of a field’s name. You can also exclude fields with "-".
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function executeAgent(array $params = [])
+    {
+        $agent_id = $this->extractArgument($params, 'agent_id');
+        $body = $this->extractArgument($params, 'body');
+
+        $endpoint = $this->endpointFactory->getEndpoint(\OpenSearch\Endpoints\Ml\ExecuteAgent::class);
+        $endpoint->setParams($params);
+        $endpoint->setAgentId($agent_id);
+        $endpoint->setBody($body);
+
+        return $this->performRequest($endpoint);
+    }
+
+    /**
+     * Get an agent.
+     *
+     * $params['agent_id']    = (string)
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response. (Default = false)
+     * $params['human']       = (boolean) Whether to return human readable values for statistics. (Default = true)
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors. (Default = false)
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Used to reduce the response. This parameter takes a comma-separated list of filters. It supports using wildcards to match any field or part of a field’s name. You can also exclude fields with "-".
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function getAgent(array $params = [])
+    {
+        $agent_id = $this->extractArgument($params, 'agent_id');
+
+        $endpoint = $this->endpointFactory->getEndpoint(\OpenSearch\Endpoints\Ml\GetAgent::class);
+        $endpoint->setParams($params);
+        $endpoint->setAgentId($agent_id);
+
+        return $this->performRequest($endpoint);
+    }
+
     /**
      * Get all memories.
      *
@@ -341,6 +391,26 @@ public function getAllMessages(array $params = [])
         return $this->performRequest($endpoint);
     }
 
+    /**
+     * Get tools.
+     *
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response. (Default = false)
+     * $params['human']       = (boolean) Whether to return human readable values for statistics. (Default = true)
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors. (Default = false)
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Used to reduce the response. This parameter takes a comma-separated list of filters. It supports using wildcards to match any field or part of a field’s name. You can also exclude fields with "-".
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function getAllTools(array $params = [])
+    {
+        $endpoint = $this->endpointFactory->getEndpoint(\OpenSearch\Endpoints\Ml\GetAllTools::class);
+        $endpoint->setParams($params);
+
+        return $this->performRequest($endpoint);
+    }
+
     /**
      * Retrieves a controller.
      *
@@ -589,6 +659,30 @@ public function getTask(array $params = [])
         return $this->performRequest($endpoint);
     }
 
+    /**
+     * Get tools.
+     *
+     * $params['tool_name']   = (string)
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response. (Default = false)
+     * $params['human']       = (boolean) Whether to return human readable values for statistics. (Default = true)
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors. (Default = false)
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Used to reduce the response. This parameter takes a comma-separated list of filters. It supports using wildcards to match any field or part of a field’s name. You can also exclude fields with "-".
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function getTool(array $params = [])
+    {
+        $tool_name = $this->extractArgument($params, 'tool_name');
+
+        $endpoint = $this->endpointFactory->getEndpoint(\OpenSearch\Endpoints\Ml\GetTool::class);
+        $endpoint->setParams($params);
+        $endpoint->setToolName($tool_name);
+
+        return $this->performRequest($endpoint);
+    }
+
     /**
      * Deploys a model.
      *
@@ -731,6 +825,29 @@ public function registerModelMeta(array $params = [])
         return $this->performRequest($endpoint);
     }
 
+    /**
+     * Search agents.
+     *
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response. (Default = false)
+     * $params['human']       = (boolean) Whether to return human readable values for statistics. (Default = true)
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors. (Default = false)
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Used to reduce the response. This parameter takes a comma-separated list of filters. It supports using wildcards to match any field or part of a field’s name. You can also exclude fields with "-".
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function searchAgents(array $params = [])
+    {
+        $body = $this->extractArgument($params, 'body');
+
+        $endpoint = $this->endpointFactory->getEndpoint(\OpenSearch\Endpoints\Ml\SearchAgents::class);
+        $endpoint->setParams($params);
+        $endpoint->setBody($body);
+
+        return $this->performRequest($endpoint);
+    }
+
     /**
      * Searches for standalone connectors.
      *
@@ -849,6 +966,29 @@ public function searchModels(array $params = [])
         return $this->performRequest($endpoint);
     }
 
+    /**
+     * Searches for tasks.
+     *
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response. (Default = false)
+     * $params['human']       = (boolean) Whether to return human readable values for statistics. (Default = true)
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors. (Default = false)
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Used to reduce the response. This parameter takes a comma-separated list of filters. It supports using wildcards to match any field or part of a field’s name. You can also exclude fields with "-".
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function searchTasks(array $params = [])
+    {
+        $body = $this->extractArgument($params, 'body');
+
+        $endpoint = $this->endpointFactory->getEndpoint(\OpenSearch\Endpoints\Ml\SearchTasks::class);
+        $endpoint->setParams($params);
+        $endpoint->setBody($body);
+
+        return $this->performRequest($endpoint);
+    }
+
     /**
      * Trains a model synchronously.
      *