Vibecode PostFast

track this build5 steps, step by step
KINDA · weekend project
price $33.45/moyou'd save $401.4/yrbuild time multi-daycategory 🐦 social mediareplaced by 0 people

The core loop is the one every scheduler shares and it is genuinely one-shottable: a compose box, a slot queue, a cron tick, one adapter per network. Two things sit outside what a coding agent hands you in a session. The first is paperwork. Only Bluesky and Telegram give you working credentials on signup; the other nine of PostFast's eleven destinations wait behind Meta App Review for Instagram, Facebook, and Threads, a TikTok audit before an app may post publicly rather than to a private draft, YouTube's default 10,000-unit daily quota against 1,600 units per upload, approval flows at LinkedIn, Pinterest, and Google Business Profile, and X, where the free tier is capped tightly enough that real volume means paying. The second is video. Every platform enforces its own container, codec, aspect ratio, duration, and size rules, so anything past text and a JPEG turns into a transcode pipeline with somewhere to actually run the jobs and a retry story for the upload that dies at 90 percent. Build the text-and-image version for the two open networks in a sitting; the rest is review forms and a transcode queue.

the project pack4 files · fastest path to a working personal build
README.md
# PostFast indie build

## Goal

Build the smallest trustworthy replacement for the core PostFast workflow for one developer or a tiny team.

## Scope

Compose posts into a slot-based queue, publish them on schedule to the open-API networks via per-network adapters, and expose the same queue over MCP so a coding agent can schedule too.

## Quick start

1. Install the documented dependencies.
2. Copy `.env.example` to `.env`.
3. Run the development command chosen during implementation.
4. Complete the acceptance checks in `BUILD_PLAN.md`.

## Honest limits

This build deliberately does not replace:
- nine of the eleven destinations, which need app review or a paid API tier rather than more code
- pre-approved OAuth apps for Instagram, TikTok, YouTube, LinkedIn, Pinterest, and Google Business Profile
- the video pipeline: per-platform container, codec, aspect ratio, duration, and size rules, plus async processing and the retries for when a large upload fails partway
- token refresh and the steady patching as platform policies move
- analytics, follower history, approval workflows, and per-client workspaces
- the hosted API, MCP server, and n8n/Zapier/Make integrations that let an agent post for you

If those capabilities are essential, use Postiz instead of pretending the gap is solved.

$ choose a build depth, inspect the files, then open the complete pack in your agent

why people still pay

Connecting Instagram or TikTok here is one click because the OAuth app behind it already passed Meta App Review, TikTok's audit, and Google's business verification, a process that takes weeks and that a solo builder often cannot qualify for at all. Video is the other half of the bill: each platform enforces its own container, codec, aspect ratio, duration, and size rules, so a working scheduler runs a real transcode pipeline with async jobs, retries, and honest failure states rather than one hopeful upload call. The subscription also absorbs the work that never finishes: tokens expiring, per-platform media rules changing, endpoints deprecating on someone else's schedule. Above that sits the part a rebuild would not reach anyway, which is cross-account analytics and follower history, approvals and workspaces for running client accounts, and an API plus MCP server so your agent schedules through it instead of you maintaining a poster forever.

what you lose

xnine of the eleven destinations, which need app review or a paid API tier rather than more code

xpre-approved OAuth apps for Instagram, TikTok, YouTube, LinkedIn, Pinterest, and Google Business Profile

xthe video pipeline: per-platform container, codec, aspect ratio, duration, and size rules, plus async processing and the retries for when a large upload fails partway

xtoken refresh and the steady patching as platform policies move

xanalytics, follower history, approval workflows, and per-client workspaces

xthe hosted API, MCP server, and n8n/Zapier/Make integrations that let an agent post for you

share on X ↗"I just replaced PostFast ($33.45/mo) with one prompt"
the escape hatch

Don't feel like building it? These folks already made it free.

PostizMore networks, team features, analytics, API and MCP; also more databases than a scheduler ought to need.34kaug 2026open sourceBrightBean StudioPublishing, analytics, approvals, API and MCP in a free hosted product; network count is broad, not eleven-shaped.2.1kjul 2026open sourceTryPostTwelve networks, analytics, approvals, REST and MCP; free software with non-free operational attention.468aug 2026open source

all 3 free alternatives to PostFast →· no votes, no pay-to-list · just what's real

the numbers

PostFast pricing

planmonthlyannual (per mo)what you get
starter$13.84$11.534 social accounts, 150 scheduled posts, 50 drafts, 1 workspace, 1 user, 90-day scheduling window, 30-day history, max 2 X accounts
creator$33.45$27.6812 social accounts, 1,500 scheduled posts, 600 drafts, 4 workspaces, 5 users, 180-day window, 1-year history, max 6 X accounts
growth$56.52$46.1430 social accounts, 3,000 scheduled posts, 2,000 drafts, 10 workspaces, 8 users, 240-day window, 2-year history, max 12 X accounts
pro agency$114.19$95.16120 social accounts, unlimited scheduled posts/drafts, 30 workspaces, 15 users, max 36 X accounts
enterprise$275.66$229.53500 social profiles, unlimited scheduled posts/drafts, 110 workspaces, 30 users, max 45 X accounts

free tierno free tier

billingmonthly + annual (2 months free); 7-day trial, no credit card

hidden costsHard caps apply to social accounts, workspaces, users, queued posts, drafts and X accounts; going past them requires a higher plan. Prices are EUR and USD totals move with exchange rates.

verified 2026-08-14 · source ↗

questions
Vibecode PostFast

Kinda. The core of PostFast is buildable in a weekend with the prompt on this page, but there are real gaps: nine of the eleven destinations, which need app review or a paid API tier rather than more code, pre-approved OAuth apps for Instagram, TikTok, YouTube, LinkedIn, Pinterest, and Google Business Profile. Read the honest list above before committing.

How much does PostFast cost?

PostFast costs about $33.45/month (Creator, checked 2026-08-14), which is $401.40000000000003 per year.

What do I lose by replacing PostFast?

Honestly: nine of the eleven destinations, which need app review or a paid API tier rather than more code; pre-approved OAuth apps for Instagram, TikTok, YouTube, LinkedIn, Pinterest, and Google Business Profile; the video pipeline: per-platform container, codec, aspect ratio, duration, and size rules, plus async processing and the retries for when a large upload fails partway; token refresh and the steady patching as platform policies move; analytics, follower history, approval workflows, and per-client workspaces; the hosted API, MCP server, and n8n/Zapier/Make integrations that let an agent post for you. If any of those are load-bearing for you, keep paying.

Is there an open-source alternative to PostFast?

Yes: Postiz (More networks, team features, analytics, API and MCP; also more databases than a scheduler ought to need.) BrightBean Studio (Publishing, analytics, approvals, API and MCP in a free hosted product; network count is broad, not eleven-shaped.) TryPost (Twelve networks, analytics, approvals, REST and MCP; free software with non-free operational attention.) All 3 curated free alternatives are at vibecodeit.com/postfast/alternatives. The prompt is for when you want it exactly your way.