# \#local-development **URL:** https://community.hubspot.com/tag/local-development/2326.md [Latest](https://community.hubspot.com/latest.md) · [Categories](https://community.hubspot.com/categories.md) · [Tags](https://community.hubspot.com/tags.md) --- ## [NPM audit results](https://community.hubspot.com/t/npm-audit-results/162256)
**Author:** [@GThulasiraman](https://community.hubspot.com/u/GThulasiraman)\ **Replies:** 2\ **Last updated:** [October 19, 2026, 12:53pm UTC](https://community.hubspot.com/t/npm-audit-results/162256 "2026-10-19T12:53:22Z")
My root project’s npm audit currently reports 8 high-severity findings, all associated with this underlying advisory: braces… --- ## [Transactional Email API: sending physical attachments (MIME) instead of hosted links](https://community.hubspot.com/t/transactional-email-api-sending-physical-attachments-mime-instead-of-hosted-links/145215)
**Author:** [@MGT2](https://community.hubspot.com/u/MGT2)\ **Replies:** 3\ **Last updated:** [October 14, 2026, 7:38pm UTC](https://community.hubspot.com/t/transactional-email-api-sending-physical-attachments-mime-instead-of-hosted-links/145215 "2026-10-14T19:38:33Z")
Hello community, I am currently working with the Transactional Email API (Single Send v3) and referencing this documentation… --- ## [Issue with CLS & LCP being flagged - Developer needed](https://community.hubspot.com/t/issue-with-cls-lcp-being-flagged-developer-needed/161404)
**Author:** [@NicoleDainton](https://community.hubspot.com/u/NicoleDainton)\ **Replies:** 5\ **Last updated:** [October 9, 2026, 2:52pm UTC](https://community.hubspot.com/t/issue-with-cls-lcp-being-flagged-developer-needed/161404 "2026-10-09T14:52:02Z")
Hello, I need help - we use a Hubspot template and keep having problems with our core website vitals. In the latest google s… --- ## [How to edit CPQ quote templates at the code level?](https://community.hubspot.com/t/how-to-edit-cpq-quote-templates-at-the-code-level/139773)
**Author:** [@CarlosAvilez](https://community.hubspot.com/u/CarlosAvilez)\ **Replies:** 20\ **Last updated:** [October 6, 2026, 10:04am UTC](https://community.hubspot.com/t/how-to-edit-cpq-quote-templates-at-the-code-level/139773 "2026-10-06T10:04:40Z")
Hi everyone, I’ve been looking into customizing quotes using the new HubSpot CPQ model, but I can’t find clear information o… --- ## [Hubspots Github Deploy Action doesn't update asset files correctly](https://community.hubspot.com/t/hubspots-github-deploy-action-doesnt-update-asset-files-correctly/127105)
**Author:** [@ICarow](https://community.hubspot.com/u/ICarow)\ **Replies:** 4\ **Last updated:** [October 1, 2026, 10:48am UTC](https://community.hubspot.com/t/hubspots-github-deploy-action-doesnt-update-asset-files-correctly/127105 "2026-10-01T10:48:54Z")
We are developing a theme for hubspot. When we are commiting to the develop branch a github action runs to deploy the files t… --- ## [HubSpot Developer MCP](https://community.hubspot.com/t/hubspot-developer-mcp/148179)
**Author:** [@AlbertoZ](https://community.hubspot.com/u/AlbertoZ)\ **Replies:** 15\ **Last updated:** [September 23, 2026, 1:29pm UTC](https://community.hubspot.com/t/hubspot-developer-mcp/148179 "2026-09-23T13:29:35Z")
It’s been a few days since the “search-docs” tool of the HubSpotDev MCP stopped working — it always returns “No documentation found for your query”. Only the “fetch-doc” tool seems to be working. Has anyone experienced t… --- ## [Accidentally Deleted App – Unable to Delete Developer Project](https://community.hubspot.com/t/accidentally-deleted-app-unable-to-delete-developer-project/138977)
**Author:** [@NVaniyanValap](https://community.hubspot.com/u/NVaniyanValap)\ **Replies:** 2\ **Last updated:** [September 18, 2026, 2:11pm UTC](https://community.hubspot.com/t/accidentally-deleted-app-unable-to-delete-developer-project/138977 "2026-09-18T14:11:05Z")
Hi Community, I’m trying to delete a developer project in my HubSpot developer account, but I don’t see any option to remove… --- ## [Claude WebFetch can't access developer docs](https://community.hubspot.com/t/claude-webfetch-cant-access-developer-docs/144888)
**Author:** [@EGold64](https://community.hubspot.com/u/EGold64)\ **Replies:** 2\ **Last updated:** [September 11, 2026, 10:44am UTC](https://community.hubspot.com/t/claude-webfetch-cant-access-developer-docs/144888 "2026-09-11T10:44:30Z")
Hello, I have been using Claude Code’s new features on HubSpot projects and a constant roadblock is that Claude Code’s WebFe… --- ## [Core Web Vitals Assessment always fail](https://community.hubspot.com/t/core-web-vitals-assessment-always-fail/115226)
**Author:** [@WShek](https://community.hubspot.com/u/WShek)\ **Replies:** 3\ **Last updated:** [August 25, 2026, 10:50am UTC](https://community.hubspot.com/t/core-web-vitals-assessment-always-fail/115226 "2026-08-25T10:50:41Z")
Hi, the Core Web Vitals Assessment of my website always fail, even when I tests on a page without any javascript and image. … --- ## [I would like to test in a flexible testing environment or a local environment.](https://community.hubspot.com/t/i-would-like-to-test-in-a-flexible-testing-environment-or-a-local-environment/150096)
**Author:** [@TMisuna](https://community.hubspot.com/u/TMisuna)\ **Replies:** 1\ **Last updated:** [June 7, 2026, 11:08pm UTC](https://community.hubspot.com/t/i-would-like-to-test-in-a-flexible-testing-environment-or-a-local-environment/150096 "2026-06-07T23:08:42Z")
Once a site is published on HubSpot Content Hub, it is already live to the public. Because of this, I feel we must proceed very carefully when major updates or new feature additions are required later on. This is because… --- ## [Hubspot CLI reports error when building](https://community.hubspot.com/t/hubspot-cli-reports-error-when-building/149572)
**Author:** [@aitortomas](https://community.hubspot.com/u/aitortomas)\ **Replies:** 7\ **Last updated:** [May 26, 2026, 7:25pm UTC](https://community.hubspot.com/t/hubspot-cli-reports-error-when-building/149572 "2026-05-26T19:25:21Z")
When building my Hubspot CMS React project, it does not work and it returns the following error: ✖ ERROR There were errors building this component: - An error occurred while building project: xxxx-project. Error: RPC e… --- ## [Problems with local setup of a React Theme](https://community.hubspot.com/t/problems-with-local-setup-of-a-react-theme/149388)
**Author:** [@Navigator](https://community.hubspot.com/u/Navigator)\ **Replies:** 4\ **Last updated:** [May 18, 2026, 6:56am UTC](https://community.hubspot.com/t/problems-with-local-setup-of-a-react-theme/149388 "2026-05-18T06:56:20Z")
I’ve followed the the Developer Docs as I’ve tried to setup a local project using React for developing a theme. When I run npm run start, I get errors telling me I don’t have all the permission scopes set. I got help fr… --- ## [Local Preview of theme](https://community.hubspot.com/t/local-preview-of-theme/107034)
**Author:** [@EdCupaioli](https://community.hubspot.com/u/EdCupaioli)\ **Replies:** 10\ **Last updated:** [May 14, 2026, 2:07pm UTC](https://community.hubspot.com/t/local-preview-of-theme/107034 "2026-05-14T14:07:43Z")
Description The command: \`hs theme preview\` displays error : Unknown argument: preview. What is expected I would expect hs theme preview to display my theme in a browser according to the docs: HubSpot CLI commands ove… --- ## [Looking for a HubSpot CRM UI Extensions Developer](https://community.hubspot.com/t/looking-for-a-hubspot-crm-ui-extensions-developer/148478)
**Author:** [@BWoodard12](https://community.hubspot.com/u/BWoodard12)\ **Replies:** 5\ **Last updated:** [April 25, 2026, 6:53pm UTC](https://community.hubspot.com/t/looking-for-a-hubspot-crm-ui-extensions-developer/148478 "2026-04-25T18:53:37Z")
Hey community — I’m looking to connect with a developer who has hands-on experience building custom cards using HubSpot’s CRM UI Extensions framework (React-based). We’re redesigning our Deal page and have three custom … --- ## [\[HubSpot CMS React\] How to Add Global CSS for All Modules in Development Server](https://community.hubspot.com/t/hubspot-cms-react-how-to-add-global-css-for-all-modules-in-development-server/122268)
**Author:** [@jason-k](https://community.hubspot.com/u/jason-k)\ **Replies:** 3\ **Last updated:** [April 17, 2026, 1:23pm UTC](https://community.hubspot.com/t/hubspot-cms-react-how-to-add-global-css-for-all-modules-in-development-server/122268 "2026-04-17T13:23:53Z")
I’m looking for a way to add global CSS that applies to all modules in dev server (@hubspot/cms-dev-server), accessible at http://hslocal.net:3000/. The global CSS should only be applied in the development server enviro… --- ## [Migration to 2026.03 internal error](https://community.hubspot.com/t/migration-to-2026-03-internal-error/147914)
**Author:** [@DOsborn](https://community.hubspot.com/u/DOsborn)\ **Replies:** 3\ **Last updated:** [April 1, 2026, 5:49pm UTC](https://community.hubspot.com/t/migration-to-2026-03-internal-error/147914 "2026-04-01T17:49:28Z")
Trying to migrate from 2025.01 to 2026.03 using hs migrate, I get the below errors and the migration is unsuccessful. I have comfirned that I am on CLI version 8.3. Using the debug flag does not provide me with any other… --- ## [Hubspot deal creation](https://community.hubspot.com/t/hubspot-deal-creation/147818)
**Author:** [@Maryamzafar](https://community.hubspot.com/u/Maryamzafar)\ **Replies:** 2\ **Last updated:** [March 30, 2026, 6:27pm UTC](https://community.hubspot.com/t/hubspot-deal-creation/147818 "2026-03-30T18:27:17Z")
Hey everybody can we make a fully coded website in cms like html/css/js everyhting in cms and then i also want to call APIs in the code. as of now i want your help with what if we design a page where we take all info t… --- ## [How can I implement an efficient appointment and case management system in a lawyer app?](https://community.hubspot.com/t/how-can-i-implement-an-efficient-appointment-and-case-management-system-in-a-lawyer-app/147446)
**Author:** [@jameswood321](https://community.hubspot.com/u/jameswood321)\ **Replies:** 2\ **Last updated:** [March 19, 2026, 6:50pm UTC](https://community.hubspot.com/t/how-can-i-implement-an-efficient-appointment-and-case-management-system-in-a-lawyer-app/147446 "2026-03-19T18:50:00Z")
I’m building a lawyer app where clients can schedule consultations and lawyers can manage multiple cases. What’s the best approach for tracking appointments, case progress, and deadlines in real-time? Are there existing … --- ## [How will you manage testing and development with sandboxes in HubSpot?](https://community.hubspot.com/t/how-will-you-manage-testing-and-development-with-sandboxes-in-hubspot/147118)
**Author:** [@SKovacic](https://community.hubspot.com/u/SKovacic)\ **Replies:** 2\ **Last updated:** [March 12, 2026, 4:12pm UTC](https://community.hubspot.com/t/how-will-you-manage-testing-and-development-with-sandboxes-in-hubspot/147118 "2026-03-12T16:12:08Z")
Hi everyone, With the Legacy Standard Sandbox being sunset, I’m curious how others are planning to use HubSpot sandboxes in the future. Are you moving fully to the new Standard Sandbox, changing your development/testing… --- ## [Bold / italic options greyed out on blog post / rich text modules (custom font)](https://community.hubspot.com/t/bold-italic-options-greyed-out-on-blog-post-rich-text-modules-custom-font/136403)
**Author:** [@Stephanie-OG](https://community.hubspot.com/u/Stephanie-OG)\ **Replies:** 8\ **Last updated:** [February 18, 2026, 3:44pm UTC](https://community.hubspot.com/t/bold-italic-options-greyed-out-on-blog-post-rich-text-modules-custom-font/136403 "2026-02-18T15:44:40Z")
Hello! :hand\_with\_fingers\_splayed: I’m wondering if anyone has come across this. My client has a theme using a custom font and on their blog the bold and italic options are greyed out (I also notice this on rich text m… --- ## [Request for CMS Developer Certification Materials](https://community.hubspot.com/t/request-for-cms-developer-certification-materials/145977)
**Author:** [@Devik](https://community.hubspot.com/u/Devik)\ **Replies:** 1\ **Last updated:** [February 9, 2026, 11:41am UTC](https://community.hubspot.com/t/request-for-cms-developer-certification-materials/145977 "2026-02-09T11:41:45Z")
I am currently preparing for the CMS Developer II certification. However, since the CMS Developer I course has been taken down, I no longer have access to the foundational materials that support the Level II preparation. … --- ## [Problem while proxying public and private pages (CMS React)](https://community.hubspot.com/t/problem-while-proxying-public-and-private-pages-cms-react/142097)
**Author:** [@FPConnect](https://community.hubspot.com/u/FPConnect)\ **Replies:** 19\ **Last updated:** [February 5, 2026, 3:55pm UTC](https://community.hubspot.com/t/problem-while-proxying-public-and-private-pages-cms-react/142097 "2026-02-05T15:55:25Z")
Hi everyone! I’m having an issue while proxying private pages locally when developing with CMS React. I’m using projects version 2025.2. I built a theme with React, and now I want to use the template I created for priv… --- ## [ServerLess Functions Not Working When Developing Locally](https://community.hubspot.com/t/serverless-functions-not-working-when-developing-locally/145343)
**Author:** [@KLawrence94](https://community.hubspot.com/u/KLawrence94)\ **Replies:** 4\ **Last updated:** [February 4, 2026, 4:38pm UTC](https://community.hubspot.com/t/serverless-functions-not-working-when-developing-locally/145343 "2026-02-04T16:38:25Z")
For all my HS Projects with Cards with Serverless functions, the Serverless functions quit working when I am Developing Locally (hs project dev) in all my browsers. It’s giving me the error: \[runServerlessFunction\] Faile… --- ## [Unable to see drag and drop blog template in blog listing page edit settings](https://community.hubspot.com/t/unable-to-see-drag-and-drop-blog-template-in-blog-listing-page-edit-settings/145602)
**Author:** [@soorajvtrio](https://community.hubspot.com/u/soorajvtrio)\ **Replies:** 4\ **Last updated:** [January 30, 2026, 10:13pm UTC](https://community.hubspot.com/t/unable-to-see-drag-and-drop-blog-template-in-blog-listing-page-edit-settings/145602 "2026-01-30T22:13:06Z")
I have created a blog template using Clean 6 theme and attempted to change both the blog post and blog listing templates. However, when I try to change the blog listing template, the blog templates do not appear in the l… --- ## [Call End Workflow Trigger Delay Bug](https://community.hubspot.com/t/call-end-workflow-trigger-delay-bug/145334)
**Author:** [@BButz](https://community.hubspot.com/u/BButz)\ **Replies:** 6\ **Last updated:** [January 30, 2026, 9:35pm UTC](https://community.hubspot.com/t/call-end-workflow-trigger-delay-bug/145334 "2026-01-30T21:35:22Z")
I have an example that is showing this issue that seems to be occurring on a lot of calls. (See Attached) The call in this example started at Jan 23, 1:26pm which the call start workflow picks up and starts right away, … --- ## [Importing dependencies for React project](https://community.hubspot.com/t/importing-dependencies-for-react-project/145507)
**Author:** [@AWilling](https://community.hubspot.com/u/AWilling)\ **Replies:** 2\ **Last updated:** [January 30, 2026, 1:25am UTC](https://community.hubspot.com/t/importing-dependencies-for-react-project/145507 "2026-01-30T01:25:33Z")
Hello, I am very new to React and have what feels like a stupid question. I’m starting out with the HubSpot React quickstart tutorial, and have been able to upload and deploy the practice theme successfully. However, I … --- ## [Membership Page Local Proxy Not Working](https://community.hubspot.com/t/membership-page-local-proxy-not-working/145349)
**Author:** [@MFall13](https://community.hubspot.com/u/MFall13)\ **Replies:** 4\ **Last updated:** [January 28, 2026, 6:32pm UTC](https://community.hubspot.com/t/membership-page-local-proxy-not-working/145349 "2026-01-28T18:32:19Z")
I’m following these instructions verbatim: Local development - HubSpot docs My proxied membership pages locally are not respecting the logged in state after having logged in on the live site. Even if I log in on the li… --- ## [What is the different for personal key and develop api key?](https://community.hubspot.com/t/what-is-the-different-for-personal-key-and-develop-api-key/145071)
**Author:** [@JZhao](https://community.hubspot.com/u/JZhao)\ **Replies:** 1\ **Last updated:** [January 19, 2026, 8:01am UTC](https://community.hubspot.com/t/what-is-the-different-for-personal-key-and-develop-api-key/145071 "2026-01-19T08:01:59Z")
hubspot development portal has two keys “Personal access key” and “Developer API Key”. What are the different in terms of integrating with Hubpost? When I run “hs init” to initialise a project, it asks me to provide “Pe… --- ## [HubSpot implementation project – opt in, automations, Outlook & website setup](https://community.hubspot.com/t/hubspot-implementation-project-opt-in-automations-outlook-website-setup/144892)
**Author:** [@GBrown00](https://community.hubspot.com/u/GBrown00)\ **Replies:** 3\ **Last updated:** [January 16, 2026, 2:50pm UTC](https://community.hubspot.com/t/hubspot-implementation-project-opt-in-automations-outlook-website-setup/144892 "2026-01-16T14:50:11Z")
I’m looking for a HubSpot Solutions Partner to implement our initial setup so we can start using HubSpot without delay. Our company: Specializes in consumer finance Our HubSpot goals for the next 60–90 days are: Remo… --- ## [Hubspot Video Player Customization](https://community.hubspot.com/t/hubspot-video-player-customization/138573)
**Author:** [@MUlHuq](https://community.hubspot.com/u/MUlHuq)\ **Replies:** 4\ **Last updated:** [January 9, 2026, 10:55am UTC](https://community.hubspot.com/t/hubspot-video-player-customization/138573 "2026-01-09T10:55:35Z")
I am creating a module where I have to use the HubSpot built-in video field (It will be working as a background video player for the module) There are two issues I’m facing with this: 1. Whenever I change the browser t… [Next page](https://community.hubspot.com/tag/local-development/2326.md?match_all_tags=true&page=1&tags%5B%5D=local-development)