One Brain.
From signal
to action.
Knull watches the signals your business already generates, turns the important ones into decisions, and executes approved work inside the limits you set. Every action leaves a receipt.
Free plan · monthly credits included · No card required
- SignalMeta Ads: cost per purchase up 38% over 3 days on one campaign
- BrainLinked to creative fatigue — the same ad has run for 21 days
- DecisionShift 30% of that campaign's budget to the two newest ad sets
- AuthorityBudget change is within your daily cap — approval required by policy
- ApprovedApproved by the owner from the Decision Inbox
- ReceiptReceipt issued: before/after budgets, policy used, time, account
Software was built around applications. Knull is built around the business.
Each tool you use understands one slice of the company. Knull sits underneath them as one operating layer that connects, understands and — when you allow it — operates.
- A dozen applications
- A dozen dashboards
- Context split across tools
- Manual coordination
- Decisions made late
- One Brain across functions
- One ranked decision layer
- Governed actions
- One audit trail
Observe. Understand. Decide. Govern. Act. Prove. Learn.
It already knows the business. You decide what matters.
The Brain keeps one persistent model of your company — revenue, spend, traffic, pipeline, content, competitors — built from the tools you connect and what you tell it. When something changes, it doesn't send a chart. It writes a decision, ranks it by impact, and puts it in your Inbox with the action ready.
- 01Send update-card emailsRevenue at riskHigh impact
Three annual subscriptions renew in 7 days with failed card checks
- 02ApproveApproval requiredMedium impact
Raise the search campaign daily budget from 40 to 55
- 03Draft internal linksGrowth opportunityMedium impact
Organic clicks on the pricing guide doubled — no internal links point to it
- 04Open the failing formOperational anomalyHigh impact
Contact form submissions dropped to zero since yesterday's deploy
- 05Start the testExperiment readyLow impact
Two landing-page headlines have enough traffic to test
Maximum useful autonomy. Minimum uncontrolled autonomy.
You set budgets, channels, scopes, schedules and approval requirements. Knull earns autonomy one level at a time, and every level stays auditable.
- L0Observe
Read the signals you have connected.
- L1Recommend
Create a decision for you to review.
- L2Prepare
Draft the action — campaign, email, change — ready to go.
- L3Approve
You authorise consequential work before it runs.
- L4Execute
Knull acts within a policy you defined: caps, channels, limits.
- L5Autonomous
Trusted recurring work runs on its own inside strict limits.
- Initiating signal
- Cost per purchase up 38% (Meta Ads, 3-day window)
- Decision
- Move 30% of budget to newer ad sets
- Authority
- Budget policy — owner approval required
- Approval
- Approved by workspace owner
- Execution
- Daily budgets updated on the connected ad account
- Recorded
- Timestamp, actor, affected account, before and after values
- Outcome
- Watched for 7 days and returned to the Brain
No receipt, no action.
A consequential action that cannot write a receipt does not run. Each receipt records what prompted it, the rule that allowed it, who approved it, what changed and when — so you can always answer "what did Knull do, and why?"
The modules share one Brain, one Inbox and one set of rules.
Research informs creative. Creative feeds campaigns. Campaign results feed the CRM and the financials. Nothing is copied between tools, because there is only one context.
Beta means usable today and held at beta until real runs prove it. See what's real today.
The proof is not a testimonial. It is the company.
We don't show customer logos we don't have. We show the one thing a competitor can't fake: this site, our research, our content and our operations run inside the same product you would use.
- This website
- Built and published from inside Knull.
- Research
- Market and competitor research produced with KnulledgeAI.
- Operations
- The team works from the same Decision Inbox and Authority rules customers get.
37 tools Knull can read from — and, where you allow it, act on.
Each connection states exactly what Knull reads and what it can do. Every write passes Authority and writes a receipt.
- Ads & analytics
- Meta Ads · Google Ads · TikTok Ads · LinkedIn Ads · Google Analytics 4 · Search Console
- Social publishing
- Instagram · LinkedIn · TikTok · Facebook Pages · YouTube · X
- Email & communication
- Gmail · Resend · Mailchimp · Slack · Twilio
- Commerce
- Stripe · Shopify · WooCommerce · Amazon Seller
- CRM & data
- HubSpot · Salesforce · Notion · Google Sheets · Airtable
- Productivity
- Google Drive · Dropbox · Google Docs · OneDrive
- Dev & ops
- GitHub · Linear · Jira · Vercel · Supabase
- Meetings
- Cal.com · Fireflies
- Your accounts, your scopes
- Knull reads only what you connect, with the permissions you grant. Disconnect any tool at any time.
- Human control
- Consequential actions need approval unless you have explicitly delegated them under a policy.
- Auditability
- Receipts and an audit log record every autonomous action.
- Data ownership
- Workspace data is yours. Export and deletion are self-service.
Start free. Pay for the work Knull does.
Every plan includes the full Brain and Decision Inbox. Plans differ by monthly credits — the unit for research, generation, deploys and agent runs — and by businesses, seats and limits. You see the credit cost before anything runs.
- Free
- $0 /mo
- Starter
- $49 /mo
- Pro
- $149 /mo
- Scale
- $499 /mo
What an AI business operating system actually is.
- What is Knull?
- Knull is an autonomous AI business operating system. One Brain connects to the tools a business already uses, keeps a persistent model of the business, ranks what needs attention in a Decision Inbox, and carries out approved work through its modules and connected tools.
- How is Knull different from an AI assistant?
- An assistant waits for a prompt and forgets the business between conversations. Knull keeps context across functions, notices changes on its own, proposes decisions, and can act on connected systems — but only within Authority rules you define, and every action writes a receipt.
- Can Knull take actions automatically?
- Only where you allow it. Authority rules set what Knull may only observe, what it may prepare, what needs your approval, and what trusted recurring work may run on its own within caps and limits.
- How does Knull use my business data?
- Knull reads only the accounts you connect, with the permissions you grant, inside your workspace. You can disconnect a tool or export and delete workspace data at any time.
Start operating differently.
Create a workspace, tell Knull about the business, connect the tools that matter, and review your first decisions. Grant Authority only when you're comfortable.