# Technical Questions **URL:** https://forum.builder.io/c/technical-questions/8.md [Latest](https://forum.builder.io/latest.md) · [Categories](https://forum.builder.io/categories.md) · [Tags](https://forum.builder.io/tags.md) --- ## [About the Technical Questions category](https://forum.builder.io/t/about-the-technical-questions-category/62)
**Author:** [@Barrett](https://forum.builder.io/u/Barrett)\ **Replies:** 1\ **Last updated:** [October 8, 2025, 7:12pm UTC](https://forum.builder.io/t/about-the-technical-questions-category/62 "2025-10-08T19:12:00Z")
Use this category for more advanced, technical questions about Builder. --- ## [Can I trigger validation hooks on URL changes?](https://forum.builder.io/t/can-i-trigger-validation-hooks-on-url-changes/16102)
**Author:** [@RudyF](https://forum.builder.io/u/RudyF)\ **Replies:** 1\ **Last updated:** [September 24, 2026, 8:09pm UTC](https://forum.builder.io/t/can-i-trigger-validation-hooks-on-url-changes/16102 "2026-09-24T20:09:52Z")
What are you trying to accomplish I’m trying to set up a validation hook so page URLs can’t have spaces in them. I was able to get my validation hook to consider the URL by working off the solution in “ Validation hook… --- ## [Builder CMS MCP for Claude](https://forum.builder.io/t/builder-cms-mcp-for-claude/16482)
**Author:** [@abhi18](https://forum.builder.io/u/abhi18)\ **Replies:** 1\ **Last updated:** [September 23, 2026, 10:20am UTC](https://forum.builder.io/t/builder-cms-mcp-for-claude/16482 "2026-09-23T10:20:24Z")
Hi Team, I want to connect the Builder CMS MCP with Claude so that we can publish content directly to Builder CMS via Claude. Please let me know if this is possible using the Builder CMS MCP. We are currently on the Bu… --- ## [Dynamic building a page using data model binding](https://forum.builder.io/t/dynamic-building-a-page-using-data-model-binding/2538)
**Author:** [@Richard\_at\_the\_pools](https://forum.builder.io/u/Richard_at_the_pools)\ **Replies:** 17\ **Last updated:** [July 30, 2026, 3:32pm UTC](https://forum.builder.io/t/dynamic-building-a-page-using-data-model-binding/2538 "2026-07-30T15:32:49Z")
Hi I have defined a data model that defines a game. I have included this data model as a reference into a second model that defines a game page. I want to now build the game page using data model binding. I have found o… --- ## [Can I get access to Publish Visual CMS for a Next.js + Medusa ecommerce site?](https://forum.builder.io/t/can-i-get-access-to-publish-visual-cms-for-a-next-js-medusa-ecommerce-site/16404)
**Author:** [@romir](https://forum.builder.io/u/romir)\ **Replies:** 1\ **Last updated:** [July 10, 2026, 11:34am UTC](https://forum.builder.io/t/can-i-get-access-to-publish-visual-cms-for-a-next-js-medusa-ecommerce-site/16404 "2026-07-10T11:34:52Z")
Hi Builder team, I’m building a Next.js ecommerce storefront with Medusa as the commerce backend, and I’d like access to Builder Publish / Visual CMS. I want to use Publish for visual editing and publishing of product … --- ## [Error when run Fusion in local repo from the CLI](https://forum.builder.io/t/error-when-run-fusion-in-local-repo-from-the-cli/15721)
**Author:** [@sajjad\_chahardoli](https://forum.builder.io/u/sajjad_chahardoli)\ **Replies:** 2\ **Last updated:** [July 8, 2026, 11:05am UTC](https://forum.builder.io/t/error-when-run-fusion-in-local-repo-from-the-cli/15721 "2026-07-08T11:05:30Z")
Hi everyone, I’m seeing this error when using Fusion Assistant via CLI: codegen/completion endpoint: BadStatus403 Details: @builder.io/dev-tools@latest (1.11.16) Dev server: Vite at http://localhost:5173 Launch com… --- ## [Built-in MCP servers show as connected, but Agent in Interact Mode cannot access or invoke tools](https://forum.builder.io/t/built-in-mcp-servers-show-as-connected-but-agent-in-interact-mode-cannot-access-or-invoke-tools/16374)
**Author:** [@Volejo](https://forum.builder.io/u/Volejo)\ **Replies:** 5\ **Last updated:** [July 4, 2026, 5:36am UTC](https://forum.builder.io/t/built-in-mcp-servers-show-as-connected-but-agent-in-interact-mode-cannot-access-or-invoke-tools/16374 "2026-07-04T05:36:12Z")
Hello :slight\_smile: I am trying to use the Builder.io Agent in Interact Mode with the built-in MCP servers enabled. The MCP servers appear to be connected in the Builder settings, but the Agent does not seem to have a… --- ## [Creating editable Shopify Sections](https://forum.builder.io/t/creating-editable-shopify-sections/15485)
**Author:** [@Ecommfox](https://forum.builder.io/u/Ecommfox)\ **Replies:** 7\ **Last updated:** [June 30, 2026, 2:38pm UTC](https://forum.builder.io/t/creating-editable-shopify-sections/15485 "2026-06-30T14:38:43Z")
Creating headless themes from scratch is easier to do with Hydrogen, but I am exploring the idea of offering sections a a monthly fee - like some Shopify apps are already doing - in headless. All the sections are central… --- ## [SEO Best practices for large amounts of external data](https://forum.builder.io/t/seo-best-practices-for-large-amounts-of-external-data/3243)
**Author:** [@rjakes](https://forum.builder.io/u/rjakes)\ **Replies:** 7\ **Last updated:** [June 30, 2026, 2:38pm UTC](https://forum.builder.io/t/seo-best-practices-for-large-amounts-of-external-data/3243 "2026-06-30T14:38:09Z")
Code stack you are integrating Builder with e.g. NextJS, react, Shopify Angular with an external REST API Last year we inherited a site that was partially complete, with many core technical choices already set in ston… --- ## [Beta.builder.io](https://forum.builder.io/t/beta-builder-io/16361)
**Author:** [@AlexanderToporiya](https://forum.builder.io/u/AlexanderToporiya)\ **Replies:** 1\ **Last updated:** [June 22, 2026, 7:14pm UTC](https://forum.builder.io/t/beta-builder-io/16361 "2026-06-22T19:14:29Z")
Hi everyone in beta workspace when file upload stored in cdn.builder.io why in production uploaded? i want uploaded in my beta workspace --- ## [Edit mode without AI](https://forum.builder.io/t/edit-mode-without-ai/16286)
**Author:** [@Studio55](https://forum.builder.io/u/Studio55)\ **Replies:** 1\ **Last updated:** [June 12, 2026, 8:34am UTC](https://forum.builder.io/t/edit-mode-without-ai/16286 "2026-06-12T08:34:41Z")
\*\*Hey Everyone, I am new and making the transition to Builder.io and trying to figure out how to use the editor without AI mode, would appreciate anyone’s help. What are you trying to accomplish\*\* \*I am trying to edit … --- ## [How can I create a preview domain ? ](https://forum.builder.io/t/how-can-i-create-a-preview-domain/16331)
**Author:** [@sheckwser](https://forum.builder.io/u/sheckwser)\ **Replies:** 1\ **Last updated:** [June 12, 2026, 8:16am UTC](https://forum.builder.io/t/how-can-i-create-a-preview-domain/16331 "2026-06-12T08:16:07Z")
Hello everyone, I have a quick question. How can I create a preview domain like this? I’d really appreciate it if someone could guide me in the right direction. Thank you --- ## [Figma Plugin is Broken](https://forum.builder.io/t/figma-plugin-is-broken/16348)
**Author:** [@Kapchiy](https://forum.builder.io/u/Kapchiy)\ **Replies:** 1\ **Last updated:** [June 12, 2026, 7:42am UTC](https://forum.builder.io/t/figma-plugin-is-broken/16348 "2026-06-12T07:42:15Z")
Hello, Copying and pasting a design created in Figma through Builder.io has stopped working since this morning. Could you help me, please? Builder content link e.g. Builder.io: Collaborative Development Platform Buil… --- ## [GitHub is not syncing properly](https://forum.builder.io/t/github-is-not-syncing-properly/15033)
**Author:** [@Ganesh](https://forum.builder.io/u/Ganesh)\ **Replies:** 5\ **Last updated:** [May 21, 2026, 11:48am UTC](https://forum.builder.io/t/github-is-not-syncing-properly/15033 "2026-05-21T11:48:57Z")
Since GitHub push is not working, from where can I download my project source code? --- ## [Hiding apps displayed in the Apps tab and preserving the order of plugins registered in the App Tab](https://forum.builder.io/t/hiding-apps-displayed-in-the-apps-tab-and-preserving-the-order-of-plugins-registered-in-the-app-tab/13393)
**Author:** [@lukaszzz](https://forum.builder.io/u/lukaszzz)\ **Replies:** 3\ **Last updated:** [April 21, 2026, 6:57pm UTC](https://forum.builder.io/t/hiding-apps-displayed-in-the-apps-tab-and-preserving-the-order-of-plugins-registered-in-the-app-tab/13393 "2026-04-21T18:57:42Z")
What are you trying to accomplish I want to hide unnecessary apps (for example, Insights) inside the Apps tab. Is there a way to do that or to configure it? If there are multiple plugins registered in the appTab , they… --- ## [Targeting on a comma separated list of strings](https://forum.builder.io/t/targeting-on-a-comma-separated-list-of-strings/16258)
**Author:** [@tich](https://forum.builder.io/u/tich)\ **Replies:** 4\ **Last updated:** [April 21, 2026, 4:33pm UTC](https://forum.builder.io/t/targeting-on-a-comma-separated-list-of-strings/16258 "2026-04-21T16:33:22Z")
Please fill out as many of the following questions as possible so we can help you promptly! If you don’t know how to answer or it does not apply, feel free to remove it or leave it blank. Builder content link Builder… --- ## [Implement Builder on only certain parts of an already built page in Wordpress](https://forum.builder.io/t/implement-builder-on-only-certain-parts-of-an-already-built-page-in-wordpress/16207)
**Author:** [@Sia](https://forum.builder.io/u/Sia)\ **Replies:** 1\ **Last updated:** [April 10, 2026, 11:16am UTC](https://forum.builder.io/t/implement-builder-on-only-certain-parts-of-an-already-built-page-in-wordpress/16207 "2026-04-10T11:16:52Z")
Hello! I have a question: is it possible to implement Builder on already built pages in Wordpress? I have pages built in Wordpress and would like to implement Builder on certain parts of these pages; for example, add co… --- ## [Content API - Sort](https://forum.builder.io/t/content-api-sort/16244)
**Author:** [@Mehan](https://forum.builder.io/u/Mehan)\ **Replies:** 1\ **Last updated:** [April 10, 2026, 10:34am UTC](https://forum.builder.io/t/content-api-sort/16244 "2026-04-10T10:34:54Z")
Hello, Builder IO Team, I need assistance with something related to sorting with content builder io API. Context: Well I have two custom fields in the data model: lastUpdatedDate date Both are manually set from Vis… --- ## [Question about integrating Builder.io with custom backend CRUD APIs](https://forum.builder.io/t/question-about-integrating-builder-io-with-custom-backend-crud-apis/16246)
**Author:** [@LaviniaGavrilescu21](https://forum.builder.io/u/LaviniaGavrilescu21)\ **Replies:** 1\ **Last updated:** [April 10, 2026, 8:09am UTC](https://forum.builder.io/t/question-about-integrating-builder-io-with-custom-backend-crud-apis/16246 "2026-04-10T08:09:06Z")
Hello, I’m currently working on integrating Builder.io into an Angular-based application, and I would appreciate your guidance on a specific use case. In our application, we have a backend (Java/Quarkus) that manages a… --- ## [Tanstack Start Compatibility](https://forum.builder.io/t/tanstack-start-compatibility/16250)
**Author:** [@aburabie](https://forum.builder.io/u/aburabie)\ **Replies:** 1\ **Last updated:** [April 10, 2026, 7:47am UTC](https://forum.builder.io/t/tanstack-start-compatibility/16250 "2026-04-10T07:47:35Z")
Will the sdk work in a tanstack start app? in your guides Integrate Pages I couldn’t find it. --- ## [Angular + Builder.io: How to render 10+ custom cards with arrow navigation (carousel) and make the card internals responsive?](https://forum.builder.io/t/angular-builder-io-how-to-render-10-custom-cards-with-arrow-navigation-carousel-and-make-the-card-internals-responsive/16229)
**Author:** [@LaviniaGavrilescu21](https://forum.builder.io/u/LaviniaGavrilescu21)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 4:44pm UTC](https://forum.builder.io/t/angular-builder-io-how-to-render-10-custom-cards-with-arrow-navigation-carousel-and-make-the-card-internals-responsive/16229 "2026-03-19T16:44:23Z")
I’m using Angular with @builder.io/sdk-angular and a custom component that we registered in Builder as NewsTileCard. Right now I can drop 3 cards into a grid from Builder and they render fine in my page. I’d like to: R… --- ## [Using showIf with nested list](https://forum.builder.io/t/using-showif-with-nested-list/16231)
**Author:** [@ShortLink](https://forum.builder.io/u/ShortLink)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 4:37pm UTC](https://forum.builder.io/t/using-showif-with-nested-list/16231 "2026-03-19T16:37:37Z")
Does someone know how to use showIf with nested List in Model eg i have this Content Models in this format // Content Models: Sample A { Slug: Text Recommendations: List { Category: Text Type: Text \['search… --- ## [How to stop rel="noopener noreferrer" and target="\_blank" being set as default](https://forum.builder.io/t/how-to-stop-rel-noopener-noreferrer-and-target-blank-being-set-as-default/3029)
**Author:** [@edplotts](https://forum.builder.io/u/edplotts)\ **Replies:** 2\ **Last updated:** [March 7, 2026, 9:32am UTC](https://forum.builder.io/t/how-to-stop-rel-noopener-noreferrer-and-target-blank-being-set-as-default/3029 "2026-03-07T09:32:16Z")
What are you trying to accomplish We want to copy/paste from Google Docs into a text editor in Builder.io for blog content, but we noticed that all the links are automatically getting rel=“noopener noreferrer” and targe… --- ## [DNS issue and can't connect to project](https://forum.builder.io/t/dns-issue-and-cant-connect-to-project/15762)
**Author:** [@Clickseffect](https://forum.builder.io/u/Clickseffect)\ **Replies:** 2\ **Last updated:** [March 5, 2026, 3:30pm UTC](https://forum.builder.io/t/dns-issue-and-cant-connect-to-project/15762 "2026-03-05T15:30:40Z")
Starting to get this error yesterday out of the blue: We couldn’t reach your project server due to a DNS resolution issue. This is likely a problem with your DNS resolver. Switching your DNS resolver to Google DNS (8.8.… --- ## [How to leave empty to use default rich text?](https://forum.builder.io/t/how-to-leave-empty-to-use-default-rich-text/14465)
**Author:** [@nnn](https://forum.builder.io/u/nnn)\ **Replies:** 2\ **Last updated:** [March 4, 2026, 1:17pm UTC](https://forum.builder.io/t/how-to-leave-empty-to-use-default-rich-text/14465 "2026-03-04T13:17:13Z")
How can I delete the content in richText to real empty? As you can see I have to “leave empty to use the default richText" However, once I’ve entered anything into the rich text, I can no longer set its content bac… --- ## [Model Working in Local Environment but Not in QA Environment](https://forum.builder.io/t/model-working-in-local-environment-but-not-in-qa-environment/16183)
**Author:** [@Arun\_Murugesan](https://forum.builder.io/u/Arun_Murugesan)\ **Replies:** 2\ **Last updated:** [February 24, 2026, 1:29pm UTC](https://forum.builder.io/t/model-working-in-local-environment-but-not-in-qa-environment/16183 "2026-02-24T13:29:05Z")
What are you trying to accomplish When using the model in the local environment, it works fine. However, in the online QA environment, the model is not loading. I cross-checked it with existing models that are working c… --- ## [Using Builder/Fusion with Wordpress Sites, Figma, and GitHub](https://forum.builder.io/t/using-builder-fusion-with-wordpress-sites-figma-and-github/16173)
**Author:** [@erdodystudios](https://forum.builder.io/u/erdodystudios)\ **Replies:** 1\ **Last updated:** [February 24, 2026, 11:51am UTC](https://forum.builder.io/t/using-builder-fusion-with-wordpress-sites-figma-and-github/16173 "2026-02-24T11:51:52Z")
I want to integrate Builder/Fusion with custom Wordpress sites that I make. I design in Figma and typically code them myself (or my devs). I’m exploring coding these designs via Fusion/Builder, but I’ve been unable to ge… --- ## [How to delete archived space?](https://forum.builder.io/t/how-to-delete-archived-space/1180)
**Author:** [@martink-rsa](https://forum.builder.io/u/martink-rsa)\ **Replies:** 4\ **Last updated:** [February 10, 2026, 12:37am UTC](https://forum.builder.io/t/how-to-delete-archived-space/1180 "2026-02-10T00:37:13Z")
Hi! We have multiple spaces that have been archived and want to delete. I can’t seem to find anything in the documentation regarding this. How does one delete an archived space? Thank you for your time. --- ## [QuickStart not installing all the dependencies](https://forum.builder.io/t/quickstart-not-installing-all-the-dependencies/16155)
**Author:** [@Ecommfox](https://forum.builder.io/u/Ecommfox)\ **Replies:** 4\ **Last updated:** [February 3, 2026, 3:16pm UTC](https://forum.builder.io/t/quickstart-not-installing-all-the-dependencies/16155 "2026-02-03T15:16:07Z")
I am trying to install my app with Quick start for on a next-js project but apparently the BuilderDevTools is missing in the dependencies : I get this error when running npm run dev : ⨯ Unable to acquire lock at C:\\Us… --- ## [Is it possible to show validation error when list subfield marked as required is empty?](https://forum.builder.io/t/is-it-possible-to-show-validation-error-when-list-subfield-marked-as-required-is-empty/5176)
**Author:** [@Grimlaf](https://forum.builder.io/u/Grimlaf)\ **Replies:** 3\ **Last updated:** [February 2, 2026, 10:33am UTC](https://forum.builder.io/t/is-it-possible-to-show-validation-error-when-list-subfield-marked-as-required-is-empty/5176 "2026-02-02T10:33:06Z")
I have a custom component in which i want to have to have an input of type list. When I mark one of list subfields as required and do not provide any data into this field I want visual editor to show error message and pr… [Next page](https://forum.builder.io/c/technical-questions/8.md?page=1)