AI Client Portal Builder for Grant Writers

A client portal for grant writers, built from a description. Logins, per-client data, file uploads and a staff side for you — all with a Postgres database and published to a URL you control.

Who it's for

Grant writers that send clients the same documents and updates by email and want them in one place instead.

What you can build

  • A login where each client sees only their own records
  • Documents and files you upload, available to download
  • Status or progress on grant applications and funder research
  • A message thread between the client and your team
  • A staff view listing every client and their history

How grant writers work

A grant writing consultancy helps charities, nonprofits, social enterprises and research teams win funding. Work includes finding suitable funders, drafting applications, reviewing bids and writing impact reports for grants already won. Everything is driven by deadlines: foundation rounds, government programs and corporate funds each open and close on their own calendar, often with several clients chasing the same one. Drafts pass back and forth by email, with budgets in spreadsheets. Software helps track funders, deadlines, drafts and outcomes across every client.

What client portal for Grant Writers has to handle

  • Clients see each application's deadline, status and current draft.
  • Supporting documents like accounts, governing documents and budgets are uploaded once and reused.
  • Comments on drafts should stay with the version they relate to.
  • Outcomes and reporting deadlines for won grants should be visible.

A tip for grant writers

Collect a client's standard documents once at the start, such as accounts, policies and board list, and store them in the portal. Funders ask for the same attachments repeatedly, and a central library saves last-minute searches.

A prompt to start from

Build a client portal for a grant writing consultancy. Clients log in and see only their own records: client name, funder, deadline and amount requested, files we uploaded for them, and the status of the work we are doing for them. Add a message thread per client and a staff area where our team can see everyone, add records, upload files and reply. Use a database with proper per-user access.

Questions

Can clients upload documents once and reuse them?

Yes. Each client has a document library, and applications link to the files they need, which you can set up by asking in chat.

How does login work?

Ask for accounts and Mythex builds sign-in into the app. Each published app has its own users and its own data, separate from your Mythex account.

Can clients only see their own data?

Yes, and it is worth saying out loud in the prompt. Mythex scopes each query to the signed-in user, so one client cannot open another's records by changing a URL.

Do I need to know how to code?

No. You describe what you want in plain language and Mythex writes the code, shows a live preview, and lets you change things by chatting. The code editor and terminal are there if you ever want them.

Do I have to explain my business every time?

No. Mythex remembers who you are and how you work across every project, and follows the standing notes you set for a project, so you are not re-briefing it in each new chat. You can read, edit or switch all of it off.

How much does it cost?

There is a Free plan with daily credits, enough to build and publish a first version. Pro is $25/month and adds full code editing, GitHub export, custom domains, and credit top-ups.

Templates to start from

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  • Agile Sprint Board Template — Backlog, kanban, and UAT sign-off
  • Online Spreadsheet Editor Template — Formulas, comments, and CSV export
  • Hiring Pipeline Tracker Template — Kanban stages with AI copilot

Guide

How to build a client portal

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