Your private AI back office, built around Codex.
Founder OS is not another SaaS dashboard. Fabren builds and maintains a custom Codex workspace for your company, connects it to Slack and your tools, and turns repeat back-office work into managed AI workflows.
Built for founders, small teams, operators, agencies, ecommerce teams, accountants, consultants, and service businesses drowning in repetitive admin, research, content, and follow-up work.
@Founder OS find 25 qualified agency leads and draft outreach.
I’ll research, score, and draft. Nothing will be sent.
Use the sales role we already set up.
Sales research assistant
persistent thread
Sheets + browser session
read/draft only
Lead queue + outreach drafts
approval needed
Draft ready. Awaiting founder approval.
No emails, CRM writes, or posts made.
Slack
Command center
Codex
Worker sessions
Gmail
Drafts and triage
Google Sheets
Queues and trackers
Docs
Reports and SOPs
X / Twitter
Research and drafts
Market research
Product Hunt
Launch monitoring
Custom
Built around your workflows, tools, accounts, and approval rules.
Managed
Fabren sets it up, tests it, maintains it, and improves it.
Codex-powered
Specialist work sessions can research, code, draft, organize, and report.
The concept
Like hiring a forward-deployed AI engineer, packaged for SMBs.
You get the value of custom implementation without needing to hire an internal automation engineer. We use proven tools, then wire them into your actual workflow.
Workflow audit
We map the repetitive back-office work, tools, approvals, account access, and first workflows worth automating.
Fixed-fee build
We set up the private workspace, Slack app, Codex roles, prompts, docs, integrations, access rules, and demo workflows.
Live pilot
We test it on real tasks, tune responses, add missing context, document boundaries, and prove the loop works.
Monthly maintenance
We keep the system useful with new workflows, broken integration fixes, prompt upgrades, monitoring, and operator support.
Product visuals
Make it feel like a working back office, not an AI graphic.
The strongest demos show the actual operating loop: Slack request, access check, Codex role, running log, draft artifacts, and approval-safe result.
Slack request received
Use the Product Hunt role. Find launches worth watching. Draft comments. Do not post.
Role selected
Product Launch Assistant
Access checked
Product Hunt browser session ready. External actions blocked.
Codex started
Continuing persistent role thread with client context.
Research complete
8 launches reviewed, 3 shortlisted, draft comments prepared.
Slack result returned
Summary, reasons, and approval-safe drafts posted in thread.
founder-os route --role product-launch
checking slack thread context...
checking ready access sessions...
allowed read, research, draft
blocked post, upvote, submit, dm
writing slack-ready result...
Shortlist
3 launches
Scored for audience fit, novelty, and comment angle.
Drafts
5 comments
Human review required before any public action.
Log
No writes
No upvotes, comments, DMs, CRM updates, or emails sent.
Founder
Use the Product Hunt role. Find launches worth monitoring and draft comments. Do not post.
Founder OS
I’m opening the Product Launch Assistant session. I’ll reply here with draft-only results.
Access gate
Confirmed read/draft only. Posting blocked.
Persistent role thread
Continues Product Launch Assistant context.
Codex worker
Researches, summarizes, drafts comments.
Slack result
Posts polished summary back to the same thread.
Slack thread
The client sees the request, status, final summary, and approval boundary in one place.
Research queue
Outputs land in sheets, docs, or markdown artifacts that a human can review and reuse.
Operator log
Fabren can inspect what ran, what was blocked, what needs access, and what changed.
Discovery
Build
Pilot
Founder in Slack
Simple requests, thread replies, approvals, extra context.
Founder OS router
Routes to role, checks access, starts or continues Codex.
Tools and approvals
Drafts, queues, reports, browser checks, no unsafe writes.
Integrations
Every setup is custom to the client’s tools.
Founder OS can begin with Slack and a VPS browser, then expand into email, sheets, docs, CRM, social research, launch monitoring, code, and niche tools. The point is not a generic platform. The point is a managed operating layer around the work already happening.
Access is scoped.
We separate read, draft, and external action permissions. Posting, sending, CRM updates, and deployments stay approval-gated.
Slack
Command center
Codex
Worker sessions
Gmail
Drafts and triage
Google Sheets
Queues and trackers
Docs
Reports and SOPs
X / Twitter
Research and drafts
Market research
Product Hunt
Launch monitoring
HubSpot / CRM
Scoped workflow
GitHub
Code workspaces
Browser sessions
VPS access
Custom tools
Client-specific
What it can do
Spin up specialist AI operators for the work you repeat every week.
Each role can have its own Codex thread, files, docs, context, integrations, and approval boundaries. Slack makes it feel simple. The workspace keeps the specialist context alive.
Lead research assistant
Outbound drafting assistant
X / Twitter researcher
Reddit research assistant
Content repurposing assistant
Ops and admin assistant
Backlink and SEO assistant
Product launch assistant
Commercial model
Fixed implementation fee, then ongoing care.
This is closer to a web design agency or forward deployed engineering engagement than a SaaS subscription. Clients know Codex is part of the stack. They pay Fabren for implementation, integration, iteration, and reliability.
Build
We create the workspace, Slack app, role threads, workflow docs, access sessions, and first production-grade workflows.
Fixed fee after scope.
Maintain
We keep it working, add workflows, improve prompts, handle integration changes, and support the operator loop.
Monthly retainer.
Control
We document what it can do, what it cannot do, who approves actions, and how to safely expand it.
Clear boundaries.
A private Codex-powered workspace hosted for the client
Slack as the simple front door for everyday requests
Specialist Codex roles for repeat workflows
Read/draft access sessions for browser and connector work
Approval gates before posting, sending, updating CRM, or deploying
Clear implementation docs so Fabren can keep improving it
FAQ
Clear enough to sell. Honest enough to deliver.
Founder OS is powerful because it is implemented around real accounts and workflows. The page says that clearly so buyers understand the service, not just the tool.
Is Founder OS a SaaS product?
No. It is a managed implementation. Clients know Codex is part of the stack; they pay Fabren to design, install, integrate, maintain, and improve the operating system around their workflows.
Does the client get direct Codex access?
Usually Slack is the simple client interface while Fabren manages the workspace and operator layer. Some clients may also get VPS/Codex access when it makes sense for their setup.
Can it post, send emails, or update CRM automatically?
Not by default. Founder OS separates read, draft, and external action permissions. Posting, sending, CRM writes, and deployments stay approval-gated unless a separate explicit approval flow is designed.
What should we automate first?
Start with repeat work that has clear inputs and review points: lead research, outbound drafts, content research, launch monitoring, inbox triage, reporting, admin follow-up, or SOP/document work.
Start here
Give us one messy workflow. We’ll map the Founder OS version.
The first call is not a generic AI audit. We identify one valuable repeat workflow, the tools involved, the access boundary, the approval point, and the demo we can build quickly.
Best-fit first workflows