A cook step reads two degrees low at 2 a.m. A metal detector check fails on the last pack line. A fill weight drifts for an hour. In each case someone has to spot it, hold the right cases, write the deviation and wake the right person. An autonomous quality agent does that groundwork against your food safety plan, inside limits you set, and never signs the release. See it handle a CCP deviation in a short food quality agent demo.
An Agent That Holds the Lot and Leaves the Release to QA
The iFactory Quality Agent watches CCP and SPC data, places holds, drafts deviations and CAPAs and briefs QA by voice. Lot release always remains a human decision, signed by the people your food safety plan names.
Critical Limits and Control Limits Are Not the Same Signal
A food line produces two kinds of limit, and the agent treats them very differently. A critical limit on a CCP or preventive control is a food safety boundary set in your HACCP or food safety plan. Crossing it means a required corrective action. An SPC control limit is a statistical boundary based on how the process normally behaves. Crossing it is an early warning, often well before any food safety limit is at risk. Review your own limits with our food quality team.
- Set by the food safety plan and validated
- Examples: cook core temperature, metal detection, pH, allergen label check
- A breach is a deviation and needs corrective action
- Agent holds affected product at once
- Calculated from process data, usually ±3 sigma
- Examples: fill weight, oven zone temperature, seal pressure
- A rule break signals a process change, not a failed product
- Agent notifies and asks for checks, no hold by default
A cook temperature trending down under SPC rules is a warning that a CCP deviation may be coming. The agent links the two, so QA hears about the trend first.
Which SPC Rules the Agent Applies, and What Each Triggers
The agent uses the Western Electric and Nelson rules, which test a control chart for patterns as well as single points. Zone A lies between 2 and 3 sigma from the centre line, zone B between 1 and 2, and zone C within 1. You choose which rules run on which chart, because more rules catch more changes but also raise more false alarms. Set rules per chart in a chart setup session.
Mapping 21 CFR 117.150 to What the Agent Does
Under 21 CFR 117.150, corrective action procedures must make sure four things happen when a preventive control is not properly carried out, and every action must be documented. HACCP plans carry the same idea in Principle 5. The cards below show how the work splits. The agent gathers evidence and contains the product. People correct the cause and judge the food. Map this split to your own plan with our support team.
Five Autonomy Levels, Set Action by Action
Autonomy is not one switch. Each action the agent can take gets its own level, written into your procedures and approved by QA. A plant might allow automatic holds on CCP deviations from day one, keep CAPAs at draft only and never let the agent touch release. Levels can be raised or lowered at any time, with the change logged. Choose levels for each action in a guardrail workshop.
A Night-Shift Briefing QA Can Act On
The agent doesn't leave QA a pile of alarms. It speaks a short brief, answers follow-up questions and confirms back each instruction before it acts. Holds and drafts are ready before anyone opens a laptop.
Allergen Controls Get Tighter Rules, Not Looser Ones
FDA has said undeclared allergens are a leading cause of food recalls, so allergen signals get the strictest settings. Under 117.150(c), some allergen and sanitation problems can be handled as prompt corrections rather than full corrective actions, but they still need a record. The agent treats every allergen mismatch as a hold first and leaves the call on correction or corrective action to QA. Set allergen rules with our allergen specialists.
Who Hears About It, and How Fast
Escalation follows time and severity, not volume. If nobody acknowledges a brief, the agent moves one step up the list. It never makes up for silence by doing more on its own, so a missed call leads to a louder alert, not a bigger action. The timings below are example settings for a CCP deviation, and you set your own. Agree your ladder in a QA workflow session.
The Release Packet the Agent Prepares, and the Signature It Can't Give
Whether a plant uses positive release with test-and-hold or releases on records, someone named in the food safety plan signs. The PCQI must review, or oversee review of, monitoring and corrective action records within 7 working days under 117.165. The agent's job is to put every record for a lot in one packet so that review is quick and complete. Ask our support team for a sample packet.
Three Overnight Events, Illustrated
These are illustrations of how the agent typically responds, not case studies. Each one shows a different level at work, from a hold that runs on its own to a trend that only earns a message. Your own plan and procedures decide the real response. Walk through your own recent deviations in a scenario review.
A Guardrail Checklist to Finish Before Go-Live
Most problems with quality agents come from settings nobody wrote down. Work through this list with QA, production and the PCQI before any hold is switched on. Tick items here as you go, and keep the signed list with your food safety plan. For a version with your own CCPs filled in, contact our support team.
Quality Agent, Plant Connectors and AI Server in One Package
iFactory delivers the Quality Agent as a turnkey bundle. A pre-configured NVIDIA AI server ships racked and ready with the agent, the SPC rules engine, voice briefing and your autonomy levels pre-loaded, so CCP data stays on site. You rack it, plug in power and Ethernet, and the AI is live. To scope it for your plant, request a turnkey quote.
- Pre-configured NVIDIA AI edge server, racked and ready
- Connectors for CCP loggers, SPC, metal detectors and checkweighers
- Hold links to your ERP and WMS
- Deviation, CAPA and release packet drafts in your QMS
- Voice briefings with confirm-back for QA and line leads
- Autonomy levels and escalation ladder set to your plan
- 24×7 remote monitoring of the agent and hardware
Server installed, CCP and SPC data linked, autonomy levels agreed with QA and the PCQI.
The agent proposes holds and drafts on one line while QA compares its calls with their own.
Approved levels switched on, QA and line leads trained, escalation tested on every shift.
A Food Quality Agent That Works Inside Your Plan
The iFactory Quality Agent follows your HACCP or food safety plan rather than writing its own. It does the watching and the paperwork, so QA spends its time on decisions. Our support team can walk you through a pilot plan.
What Food QA Leaders Ask About Autonomous Quality Agents
Faster Holds, Complete Records, Same People Signing
Connect your CCP and SPC data, write down the agent's limits and let it watch every shift while QA keeps the release. The full system is delivered turnkey and goes live in 6 to 12 weeks.
