diff --git a/docs/cli/schema.json b/docs/cli/schema.json
index 14bb33e8..33bcc0ae 100644
--- a/docs/cli/schema.json
+++ b/docs/cli/schema.json
@@ -66828,6 +66828,13 @@
                           "type": "string",
                           "required": false,
                           "summary": "Contains a project ID. If specified, the result will be filtered to only those origin projects that are linked to the specified project ID in a cross-project search configuration."
+                        },
+                        {
+                          "role": "flag",
+                          "name": "tags",
+                          "type": "string",
+                          "required": false,
+                          "summary": "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values."
                         }
                       ],
                       "summary": "Get Elasticsearch projects",
@@ -66844,6 +66851,20 @@
                       ],
                       "name": "create",
                       "parameters": [
+                        {
+                          "role": "flag",
+                          "name": "name",
+                          "type": "string",
+                          "required": true,
+                          "summary": "Descriptive name for a project."
+                        },
+                        {
+                          "role": "flag",
+                          "name": "region-id",
+                          "type": "string",
+                          "required": true,
+                          "summary": "Unique human-readable identifier for a region in Elastic Cloud."
+                        },
                         {
                           "role": "flag",
                           "name": "wait",
@@ -67096,6 +67117,13 @@
                           "type": "string",
                           "required": false,
                           "summary": "Contains a project ID. If specified, the result will be filtered to only those origin projects that are linked to the specified project ID in a cross-project search configuration."
+                        },
+                        {
+                          "role": "flag",
+                          "name": "tags",
+                          "type": "string",
+                          "required": false,
+                          "summary": "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values."
                         }
                       ],
                       "summary": "Get Observability projects",
@@ -67112,6 +67140,20 @@
                       ],
                       "name": "create",
                       "parameters": [
+                        {
+                          "role": "flag",
+                          "name": "name",
+                          "type": "string",
+                          "required": true,
+                          "summary": "Descriptive name for a project."
+                        },
+                        {
+                          "role": "flag",
+                          "name": "region-id",
+                          "type": "string",
+                          "required": true,
+                          "summary": "Unique human-readable identifier for a region in Elastic Cloud."
+                        },
                         {
                           "role": "flag",
                           "name": "wait",
@@ -67364,6 +67406,13 @@
                           "type": "string",
                           "required": false,
                           "summary": "Contains a project ID. If specified, the result will be filtered to only those origin projects that are linked to the specified project ID in a cross-project search configuration."
+                        },
+                        {
+                          "role": "flag",
+                          "name": "tags",
+                          "type": "string",
+                          "required": false,
+                          "summary": "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values."
                         }
                       ],
                       "summary": "Get Security projects",
@@ -67380,6 +67429,20 @@
                       ],
                       "name": "create",
                       "parameters": [
+                        {
+                          "role": "flag",
+                          "name": "name",
+                          "type": "string",
+                          "required": true,
+                          "summary": "Descriptive name for a project."
+                        },
+                        {
+                          "role": "flag",
+                          "name": "region-id",
+                          "type": "string",
+                          "required": true,
+                          "summary": "Unique human-readable identifier for a region in Elastic Cloud."
+                        },
                         {
                           "role": "flag",
                           "name": "wait",
@@ -67662,6 +67725,13 @@
                       "type": "string",
                       "required": false,
                       "summary": "The project alias to filter the link candidates by."
+                    },
+                    {
+                      "role": "flag",
+                      "name": "tags",
+                      "type": "string",
+                      "required": false,
+                      "summary": "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values."
                     }
                   ],
                   "summary": "Get Elasticsearch project link candidates",
@@ -67718,6 +67788,13 @@
                       "type": "string",
                       "required": false,
                       "summary": "The project alias to filter the link candidates by."
+                    },
+                    {
+                      "role": "flag",
+                      "name": "tags",
+                      "type": "string",
+                      "required": false,
+                      "summary": "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values."
                     }
                   ],
                   "summary": "Get Observability project link candidates",
@@ -67774,6 +67851,13 @@
                       "type": "string",
                       "required": false,
                       "summary": "The project alias to filter the link candidates by."
+                    },
+                    {
+                      "role": "flag",
+                      "name": "tags",
+                      "type": "string",
+                      "required": false,
+                      "summary": "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values."
                     }
                   ],
                   "summary": "Get Security project link candidates",
@@ -67927,7 +68011,29 @@
                     "traffic-filters"
                   ],
                   "name": "create-traffic-filter",
-                  "parameters": [],
+                  "parameters": [
+                    {
+                      "role": "flag",
+                      "name": "name",
+                      "type": "string",
+                      "required": true,
+                      "summary": "Name of the traffic filter"
+                    },
+                    {
+                      "role": "flag",
+                      "name": "type",
+                      "type": "string",
+                      "required": true,
+                      "summary": "Type of the traffic filter"
+                    },
+                    {
+                      "role": "flag",
+                      "name": "region",
+                      "type": "string",
+                      "required": true,
+                      "summary": "The traffic filter can be attached only to projects in the specific region"
+                    }
+                  ],
                   "summary": "Create a traffic filter",
                   "intent": {
                     "requiresAuth": true
diff --git a/src/cloud/apis/elasticsearch-projects.ts b/src/cloud/apis/elasticsearch-projects.ts
index 3dde8b0d..7f061f78 100644
--- a/src/cloud/apis/elasticsearch-projects.ts
+++ b/src/cloud/apis/elasticsearch-projects.ts
@@ -9,6 +9,7 @@
  * and elastic/elastic-client-generator-js to regenerate this file again.
  */
 
+import { z } from 'zod'
 import type { CloudApiDefinition } from '../types.ts'
 
 export const elasticsearchProjectsApis: CloudApiDefinition[] = [
@@ -21,6 +22,7 @@ export const elasticsearchProjectsApis: CloudApiDefinition[] = [
     queryParams: [
     { name: "traffic_filter", type: "string", description: "Filters the returned list of projects. Only projects associated with the provided traffic_filter will be returned." },
     { name: "linked", type: "string", description: "Contains a project ID. If specified, the result will be filtered to only those origin projects that are linked to the specified project ID in a cross-project search configuration." },
+    { name: "tags", type: "string", description: "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values." },
     ],
   },
   {
@@ -29,6 +31,10 @@ export const elasticsearchProjectsApis: CloudApiDefinition[] = [
     description: "Create an Elasticsearch project",
     method: "POST",
     path: "/api/v1/serverless/projects/elasticsearch",
+    body: z.object({
+      name: z.string().describe("Descriptive name for a project."),
+      region_id: z.string().describe("Unique human-readable identifier for a region in Elastic Cloud."),
+    }),
   },
   {
     name: "get-elasticsearch-project",
diff --git a/src/cloud/apis/linked-candidate-projects.ts b/src/cloud/apis/linked-candidate-projects.ts
index 64d27878..17018321 100644
--- a/src/cloud/apis/linked-candidate-projects.ts
+++ b/src/cloud/apis/linked-candidate-projects.ts
@@ -27,6 +27,7 @@ export const linkedCandidateProjectsApis: CloudApiDefinition[] = [
     { name: "region", type: "string", description: "The region to filter the link candidate projects by." },
     { name: "name", type: "string", description: "The project name to filter the link candidates by." },
     { name: "alias", type: "string", description: "The project alias to filter the link candidates by." },
+    { name: "tags", type: "string", description: "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values." },
     ],
   },
   {
@@ -44,6 +45,7 @@ export const linkedCandidateProjectsApis: CloudApiDefinition[] = [
     { name: "region", type: "string", description: "The region to filter the link candidate projects by." },
     { name: "name", type: "string", description: "The project name to filter the link candidates by." },
     { name: "alias", type: "string", description: "The project alias to filter the link candidates by." },
+    { name: "tags", type: "string", description: "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values." },
     ],
   },
   {
@@ -61,6 +63,7 @@ export const linkedCandidateProjectsApis: CloudApiDefinition[] = [
     { name: "region", type: "string", description: "The region to filter the link candidate projects by." },
     { name: "name", type: "string", description: "The project name to filter the link candidates by." },
     { name: "alias", type: "string", description: "The project alias to filter the link candidates by." },
+    { name: "tags", type: "string", description: "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values." },
     ],
   },
 ]
diff --git a/src/cloud/apis/observability-projects.ts b/src/cloud/apis/observability-projects.ts
index 0e4eaa9e..31f9da51 100644
--- a/src/cloud/apis/observability-projects.ts
+++ b/src/cloud/apis/observability-projects.ts
@@ -9,6 +9,7 @@
  * and elastic/elastic-client-generator-js to regenerate this file again.
  */
 
+import { z } from 'zod'
 import type { CloudApiDefinition } from '../types.ts'
 
 export const observabilityProjectsApis: CloudApiDefinition[] = [
@@ -21,6 +22,7 @@ export const observabilityProjectsApis: CloudApiDefinition[] = [
     queryParams: [
     { name: "traffic_filter", type: "string", description: "traffic filters associated with this project" },
     { name: "linked", type: "string", description: "Contains a project ID. If specified, the result will be filtered to only those origin projects that are linked to the specified project ID in a cross-project search configuration." },
+    { name: "tags", type: "string", description: "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values." },
     ],
   },
   {
@@ -29,6 +31,10 @@ export const observabilityProjectsApis: CloudApiDefinition[] = [
     description: "Create an observability project",
     method: "POST",
     path: "/api/v1/serverless/projects/observability",
+    body: z.object({
+      name: z.string().describe("Descriptive name for a project."),
+      region_id: z.string().describe("Unique human-readable identifier for a region in Elastic Cloud."),
+    }),
   },
   {
     name: "get-observability-project",
diff --git a/src/cloud/apis/security-projects.ts b/src/cloud/apis/security-projects.ts
index a4146035..febbdfce 100644
--- a/src/cloud/apis/security-projects.ts
+++ b/src/cloud/apis/security-projects.ts
@@ -9,6 +9,7 @@
  * and elastic/elastic-client-generator-js to regenerate this file again.
  */
 
+import { z } from 'zod'
 import type { CloudApiDefinition } from '../types.ts'
 
 export const securityProjectsApis: CloudApiDefinition[] = [
@@ -21,6 +22,7 @@ export const securityProjectsApis: CloudApiDefinition[] = [
     queryParams: [
     { name: "traffic_filter", type: "string", description: "traffic filters associated with this project" },
     { name: "linked", type: "string", description: "Contains a project ID. If specified, the result will be filtered to only those origin projects that are linked to the specified project ID in a cross-project search configuration." },
+    { name: "tags", type: "string", description: "If specified, the result will be filtered to only those projects that have the specified tags and corresponding values." },
     ],
   },
   {
@@ -29,6 +31,10 @@ export const securityProjectsApis: CloudApiDefinition[] = [
     description: "Create a security project",
     method: "POST",
     path: "/api/v1/serverless/projects/security",
+    body: z.object({
+      name: z.string().describe("Descriptive name for a project."),
+      region_id: z.string().describe("Unique human-readable identifier for a region in Elastic Cloud."),
+    }),
   },
   {
     name: "get-security-project",
diff --git a/src/cloud/apis/traffic-filters.ts b/src/cloud/apis/traffic-filters.ts
index 035852e2..f409629c 100644
--- a/src/cloud/apis/traffic-filters.ts
+++ b/src/cloud/apis/traffic-filters.ts
@@ -9,6 +9,7 @@
  * and elastic/elastic-client-generator-js to regenerate this file again.
  */
 
+import { z } from 'zod'
 import type { CloudApiDefinition } from '../types.ts'
 
 export const trafficFiltersApis: CloudApiDefinition[] = [
@@ -29,6 +30,11 @@ export const trafficFiltersApis: CloudApiDefinition[] = [
     description: "Create a traffic filter",
     method: "POST",
     path: "/api/v1/serverless/traffic-filters",
+    body: z.object({
+      name: z.string().describe("Name of the traffic filter"),
+      type: z.string().describe("Type of the traffic filter"),
+      region: z.string().describe("The traffic filter can be attached only to projects in the specific region"),
+    }),
   },
   {
     name: "get-traffic-filter-metadata",
diff --git a/src/config/profiles.ts b/src/config/profiles.ts
index 86dd292c..3da5eca0 100644
--- a/src/config/profiles.ts
+++ b/src/config/profiles.ts
@@ -48,9 +48,6 @@ export function resolveBuiltinProfile (name: BuiltInProfile): { allowed: readonl
       'kb',
 
       // All stack commands (Elasticsearch + Kibana)
-      // Individual serverless-incompatible ES endpoints will be filtered in a
-      // future iteration once per-command availability metadata is added to the
-      // API manifest (see issue #283 for tracking).
       'stack.*',
 
       // Cloud cross-cutting namespaces (apply to both Hosted and Serverless)
diff --git a/test/cloud/register.test.ts b/test/cloud/register.test.ts
index 3cd3137d..c78c7c38 100644
--- a/test/cloud/register.test.ts
+++ b/test/cloud/register.test.ts
@@ -5,6 +5,7 @@
 
 import { describe, it } from 'node:test'
 import assert from 'node:assert/strict'
+import { z } from 'zod'
 import { registerCloudCommands, simplifyProjectCommandName } from '../../src/cloud/register.ts'
 import type { CloudApiDefinition } from '../../src/cloud/types.ts'
 
@@ -219,6 +220,21 @@ describe('registerCloudCommands', () => {
       assert.deepEqual(regions.commands.map((c) => c.name()), ['list-regions', 'get-region'])
     })
 
+    it('exposes --name and --region-id flags on create project commands', () => {
+      const defs: CloudApiDefinition[] = [
+        { name: 'create-elasticsearch-project', namespace: 'elasticsearch-projects', description: 'Create', method: 'POST', path: '/api/v1/serverless/projects/elasticsearch',
+          body: z.object({ name: z.string(), region_id: z.string() }) },
+      ]
+      const group = registerCloudCommands(defs)
+      const createCmd = group.commands.find((c) => c.name() === 'serverless')!
+        .commands.find((c) => c.name() === 'projects')!
+        .commands.find((c) => c.name() === 'search')!
+        .commands.find((c) => c.name() === 'create')!
+      const flags = createCmd.options.map((o) => o.long)
+      assert.ok(flags.includes('--name'), '--name flag should be registered')
+      assert.ok(flags.includes('--region-id'), '--region-id flag should be registered')
+    })
+
     it('adds --wait flag to create project commands only', () => {
       const defs: CloudApiDefinition[] = [
         { name: 'create-elasticsearch-project', namespace: 'elasticsearch-projects', description: 'Create', method: 'POST', path: '/api/v1/serverless/projects/elasticsearch' },