Operations · Side quest build

How to Vibe Code Your Own Storyblok Alternative

Define the fields, fill an entry, and read the published JSON. Storyblok charges $99–$349 per month — that’s $1188–$4188 a year — for something you can replace with focused software of your own. Here is the honest scope, the honest timeline, and the exact prompt to hand your coding agent.

Official pricing. Growth $99/month through Growth Plus $349/month billed monthly. Billed annually those are $90.75 and $319.91 per month. Extra seats are $15 on both paid plans. Starter is free. Premium and Elite are custom and excluded. Checked October 19, 2026.

from 3 daysFields, then JSON

Who this replacement is for

This build targets a developer serving structured content to one site. The goal: model a content type, publish entries, and return the published ones as JSON. If you need more than that, keep paying — the point of building it yourself is owning a tool shaped exactly like your workflow, not re-implementing a venture-funded roadmap.

Same build, different logo: this v1 also replaces Contentful and Prismic — they all solve the same core job.

How long it actually takes

One number would be a lie, so here are three. Each tier is a real, usable product — pick the one that matches how much of Storyblok you actually use.

EstimateWhat you get
3 dayscontent types, entries, a JSON read
2 weeks+drafts, a preview token, one version back
3 months+a visual editor, a CDN, agency roles — the part you should probably skip

What a minimal Storyblok alternative needs

Data model

Space, ContentType, Field, Entry, Version

Integrations

read-only content API

Capability context

Astro, HTMX, D1

The guardrail

Validate every entry against the current field list on the server, and serve only published entries on the public read route.

Deliberate non-goals

Do not build a visual page editor or a content CDN. Ghost Pro already covers a blog. Webflow already covers a visual site. Notion already covers a team wiki.

The complete build prompt

Copy this into your coding agent of choice. It is scoped for a useful v1 — journeys, screens, business rules, data model, security, tests, and acceptance scenarios included. Pick your stack:

You are building a production-ready software product named “Fieldpress”, a deliberately focused alternative to Storyblok. Build a complete, usable vertical slice—not a landing page, static mockup, or disconnected collection of components.

WORKING AGREEMENT
Before writing implementation code, produce a short technical plan that names the routes or pages, server actions or endpoints, data tables, important state transitions, authorization boundaries, background jobs, and external adapters. Resolve contradictions in favor of the narrow audience and non-goals below. Prefer a small, legible architecture over speculative abstraction, but do not omit persistence, validation, error handling, or tests.

PRODUCT BRIEF
Primary user: a developer serving structured content to one site.
Primary outcome: model a content type, publish entries, and return the published ones as JSON.
Product principle: optimize the exact workflow below instead of copying the full breadth of Storyblok. A first-time user should understand what to do from the interface itself, without a tour or documentation.

END-TO-END USER JOURNEYS
Implement all of these flows through the real interface and persistent data layer:
1. The editor defines a type with a title and a date, then saves a draft entry.
2. The editor publishes the entry. The public JSON includes it.
3. The editor changes the draft. The public JSON still returns the published text until they publish again.

SCREENS AND INFORMATION ARCHITECTURE
Build these as coherent responsive views. Each screen must specify its primary action, secondary actions, visible status, validation feedback, empty state, loading or pending state, success confirmation, and recoverable failure state.
1. Types: field name, field kind, and required.
2. Entry editor: values, validation errors, draft, and publish.
3. Preview: the draft, labeled as unpublished.
4. Read API: published entries for one type, and an empty list.

CORE CAPABILITIES
1. content types with named text, number, and date fields
2. entries that validate against that type
3. draft and published states
4. a read API that returns published entries for one type
5. a preview of the draft that stays off the public API

DETAILED BEHAVIOR AND BUSINESS RULES
Treat these as server-enforced product requirements, not interface suggestions:
1. Reject an entry that misses a required field or uses the wrong kind.
2. The public route returns published entries only.
3. Publish copies the current draft into the published version.
4. A later draft edit does not change the published version.

DATA MODEL AND LIFECYCLE
Design a small relational schema centered on Space, ContentType, Field, Entry, Version. Before implementing it, document:
1. Each table’s purpose, primary key, ownership or tenant boundary, timestamps, status fields, and important attributes.
2. Foreign keys, uniqueness constraints, check constraints, indexes needed by the named screens, and transaction boundaries for multi-record changes.
3. The allowed lifecycle or state transitions, who may trigger each transition, which transitions are terminal or reversible, and what audit history must remain immutable.
4. Archive, retention, and deletion behavior, including what happens to dependent records and external files.
5. Idempotency strategy for submissions, jobs, imports, notifications, webhooks, or retries where applicable.
Use migrations rather than ad-hoc schema creation. Store time instants consistently and retain named timezone context whenever local schedules or dates matter. Never rely on a counter, disabled button, or client-side check to preserve a business invariant.

USERS, AUTHENTICATION, AND PERMISSIONS
Implement only the roles required by the stated audience. Make the ownership and visibility model explicit before coding. Enforce authorization in every server-side query and mutation, including search, exports, attachments, live updates, and guessed URLs—not merely by hiding controls. Use secure session defaults, protect state-changing requests, and provide an understandable signed-out, expired-session, and forbidden state. Seed distinct users when multiple roles are required so permissions can be demonstrated and tested.

INTERACTION AND VISUAL DIRECTION
The product should feel fast, calm, focused, and credible rather than like a generic admin template. Use a clear visual hierarchy, restrained color, readable typography, generous hit targets, and consistent placement for primary actions. Start with server-rendered HTML and progressively enhance only the interactions that benefit from it. The core workflow must remain understandable if enhancement fails.

Start with server-rendered Astro pages and ordinary HTML forms on Node.js. Add client JavaScript only for interactions that need browser state, browser APIs, drag-and-drop, or live updates. The core workflow must remain understandable if client JavaScript fails.

Design mobile layouts intentionally instead of simply stacking desktop panels. Support keyboard navigation, visible focus, semantic landmarks, explicit labels, useful page titles, reduced-motion preferences, and screen-reader announcements for asynchronous results. Never use color alone to communicate state. Destructive actions require clear scope and confirmation; safe repeated actions should be idempotent.

TECHNICAL DIRECTION
Build this version with Node.js and Astro. Use Astro for routing, layouts, and server-rendered pages. Start with ordinary HTML forms. Add client JavaScript only when the interface needs it. Prefer Cloudflare D1 for relational persistence, R2 for object storage, Workers for server endpoints and scheduled work, Durable Objects only for coordinated real-time state, and Workflows or Queues for durable background jobs—but only when the product requirements call for them.

Keep domain rules in testable server-side modules instead of route handlers or UI components. Separate persistence, external providers, and background work behind small interfaces without building a framework. Prefer ordinary HTML forms and URLs for durable navigation; use optimistic interaction only when failure can be reconciled clearly.

The product brief currently identifies Astro, HTMX, D1 as capability context. Preserve any required native, browser-only, edge, storage, real-time, or background-processing capability through a narrow adapter appropriate to the selected framework. If the core workflow genuinely requires native or browser APIs, keep that runtime as the primary execution surface rather than simulating inaccessible capabilities or inventing an unnecessary web surface.

Integrate with read-only content API. For every integration:
- List required environment variables in an .env.example without real secrets.
- Add a small adapter with timeouts, normalized errors, and a deterministic local fake or development path.
- Verify inbound signatures and deduplicate provider events where supported.
- Keep credentials server-side, encrypt long-lived provider tokens at rest, and redact secrets and sensitive payloads from logs.
- Define retry, backoff, and idempotency behavior for any side effect that can be repeated.

SECURITY AND PRIVACY
Validate every entry against the current field list on the server, and serve only published entries on the public read route.
Validate, normalize, and length-limit all untrusted input on the server. Escape rendered content by default, sanitize any intentionally accepted markup, rate-limit public or abuse-prone actions, and use private object storage plus short-lived authorized URLs for sensitive files. Collect the minimum personal data necessary for the named workflow. Document retention and deletion behavior. Add specific protections for the riskier surfaces in this app, such as uploads, redirects, outbound requests, email delivery, OAuth, webhooks, CSV import or export, and real-time connections.

ACCEPTANCE SCENARIOS
Automate these app-specific scenarios at the most appropriate level:
1. A draft entry is missing from the public JSON.
2. An entry with a text value in a date field is rejected.
3. After a second publish, the public JSON shows the new title.

TESTING
Add focused unit tests for state transitions, authorization predicates, normalization, date or money calculations, and other risky domain rules. Add integration tests for persistence constraints and each external adapter’s success, timeout, retry, and rejection paths. Add at least one browser-level test for every end-to-end journey above, including one small-screen viewport. Tests must use isolated data and run through a documented single command.

OPERATIONS AND FAILURE RECOVERY
Add structured server logs with request, job, or event correlation IDs but no secrets or unnecessarily sensitive data. Make failures actionable in both the interface and logs. Background work must expose pending, succeeded, failed, and retrying states where relevant; do not silently swallow errors. Include safe database migration and rollback guidance, seed data, backup and restore notes, external-data cleanup behavior, and a basic health or diagnostic path appropriate to the stack.

DELIVERABLES
Ship the working application, migrations, representative seed data, tests, .env.example, and a concise README. The README must cover prerequisites, local setup, environment variables, migrations, seed and test commands, deployment, integration setup, backup and restore, security decisions, and known limitations. Seed data should exercise the happy path plus at least one empty, failed, overdue, expired, archived, or permission-restricted state relevant to the product.

DEFINITION OF DONE
The app is complete when a fresh developer can follow the README, create and migrate the database, run the app, sign in as each relevant role, complete every named journey using real persisted data, refresh without losing state, recover from common failures, and use the core interface on phone and desktop. All acceptance scenarios pass, permission boundaries are covered by tests, and no core screen is left as a placeholder.

NON-GOALS
Do not build a visual page editor or a content CDN. Ghost Pro already covers a blog. Webflow already covers a visual site. Notion already covers a team wiki.

Frequently asked questions

How long does it take to build your own Storyblok?

A basic version — content types, entries, a JSON read — takes about 3 days. Roughly 2 weeks+ gets you a solid v1 with drafts, a preview token, one version back. Matching everything Storyblok really does (a visual editor, a CDN, agency roles) is closer to 3 months+, which is exactly why you should scope down instead.

How much does Storyblok cost if I keep subscribing?

Storyblok runs $99–$349 per month on public paid plans, which is $1188–$4188 per year. A focused self-built replacement costs your build time plus close-to-zero hosting.

What stack should I use to build a Storyblok alternative?

The build prompt on this page ships in two flavors: Node.js plus Astro, and TanStack Start. The capability context for this product is Astro, HTMX, D1. I default to Astro because this site already runs that way. Use TanStack Start if React is what you write. The scope matters more than the framework.

What features does a minimal Storyblok replacement need?

A useful v1 needs: content types with named text, number, and date fields; entries that validate against that type; draft and published states; a read API that returns published entries for one type; a preview of the draft that stays off the public API. Everything else is scope creep until you personally miss it.

What should I deliberately not build?

Do not build a visual page editor or a content CDN. Ghost Pro already covers a blog. Webflow already covers a visual site. Notion already covers a team wiki.

Does this build also replace Contentful and Prismic?

Yes. Storyblok, Contentful and Prismic all solve the same core job — model a content type, publish entries, and return the published ones as JSON. The scoped v1 on this page covers what most people use any of them for, so one focused build replaces whichever you currently pay for.

Prompt copied. Go ship it.