Introducing TRU Guard: Real-time Guardrails for Production AI

Published on
February 20, 2026

Last week, we released TRU Guard—a real-time guardrails engine built for developers and enterprises running AI in production.

If you’re building copilots, AI agents, internal assistants, or customer-facing AI apps, you already know:
shipping the model is the easy part.
Keeping it safe, compliant, and predictable in production is the hard part.

This release is about solving that gap.

The problem: AI systems are shipping faster than safety controls

Over the past year, AI has moved from experimentation to production across industries. Enterprises now run:

  • internal copilots for employees
  • customer support assistants
  • AI agents with tool access
  • RAG-based knowledge assistants
  • developer copilots

But many of these systems still rely on basic filters, logging, or post-processing checks.

That’s not enough.

What teams are seeing in production

  • Prompt-injection attacks overriding system instructions
  • LLMs leaking internal documents or PII
  • Agents executing unintended tool calls
  • Copilots giving non-compliant responses
  • Sensitive data appearing in model outputs
  • Inconsistent policies across multiple AI apps

Most teams detect issues after responses are generated.
But by then, the damage may already be done.

The core problem:

There is no centralized, real-time enforcement layer between user input → model → output → actions.

AI systems need a runtime control layer—not just testing and monitoring.

Why traditional controls break down

Developers today often use a mix of:

  • regex filters
  • moderation APIs
  • prompt engineering
  • hard-coded checks
  • logging & alerts

These approaches don’t scale because:

  • They don’t run consistently across apps
  • They’re hard to maintain
  • They don’t understand context
  • They don’t cover agent actions
  • They often run after generation

As AI systems become more autonomous, this gap becomes critical.

Enter TRU Guard.

What TRU Guard is

TRU Guard is a real-time AI guardrails engine that sits between your application and your AI models.

It enforces safety, policy, and compliance checks across:

  • prompts
  • model responses
  • agent actions
  • tool calls

before anything reaches the user or executes in your system.

It acts as a runtime policy enforcement layer for AI.

What risks TRU Guard address?

Prompt injection & jailbreaks

Attackers attempt to override system instructions or extract data.

TRU Guard:

  • detects injection patterns
  • neutralizes malicious instructions
  • preserves system prompts

Data leakage

Models may reveal:

  • PII
  • financial data
  • internal documents
  • secrets

TRU Guard:

  • detects sensitive content
  • masks or blocks responses
  • enforces enterprise policies

Unsafe or non-compliant outputs

LLMs can generate:

  • toxic content
  • policy violations
  • biased responses

TRU Guard:

  • enforces tone and policy
  • blocks or rewrites outputs
  • ensures compliance

Unsafe agent actions

Agents with tool access can:

  • call APIs incorrectly
  • execute unintended workflows
  • expose data through tools

TRU Guard:

  • validates actions
  • applies constraints
  • blocks risky tool calls

How TRU Guard works

TRU Guard operates as a runtime enforcement layer in your AI stack.

Step 1: Input arrives

User sends a prompt or agent instruction.

Step 2: Input guardrails run

Checks for:

  • prompt injection
  • sensitive intent
  • policy violations
  • restricted requests

If needed, input is blocked or modified.

Step 3: Model generates response

The LLM produces output.

Step 4: Output guardrails run

Checks for:

  • PII leakage
  • unsafe content
  • policy violations
  • formatting constraints

Step 5: Action guardrails (for agents)

Validates:

  • tool calls
  • API actions
  • workflow execution

Step 6: Decision engine

TRU Guard decides to:

  • allow
  • block
  • modify
  • flag

All of this happens in real time.

What developers can configure

TRU Guard supports configurable policies such as:

  • PII detection & masking
  • prompt-injection detection
  • jailbreak detection
  • toxicity filtering
  • policy enforcement
  • output formatting rules
  • tone constraints
  • agent action validation

Guardrails can be applied across:

  • chat apps
  • copilots
  • RAG systems
  • AI agents
  • APIs

Policies can be centrally managed and applied across environments.

Where this fits in your AI lifecycle

Most teams now follow this lifecycle:

  1. Build AI app
  2. Test & evaluate
  3. Deploy
  4. Monitor

What’s been missing is a runtime protection layer.

TRU Guard sits directly in production, ensuring:

  • safe inputs
  • safe outputs
  • safe actions

It complements:

  • testing
  • evaluation
  • monitoring

by adding real-time enforcement.

Why teams find it easier to use

TRU Guard is designed for practical deployment:

  • API-first integration
  • SDK-based implementation
  • works across models
  • works across apps
  • centralized policy control

Instead of scattering guardrail logic across services, teams define policies once and enforce them everywhere.

Real-world use cases

Enterprise copilots

Prevent exposure of internal data while maintaining usability.

Customer support AI

Ensure safe, compliant responses across all interactions.

Internal developer assistants

Block secrets, credentials, and unsafe code suggestions.

AI agents

Validate tool usage and restrict risky actions.

Regulated environments

Apply consistent policies across all AI systems.

Why this matters now

AI adoption is accelerating, but safety infrastructure is still catching up.

Enterprises need:

  • runtime AI governance
  • policy enforcement
  • compliance readiness
  • risk reduction

without slowing down development.

TRU Guard enables teams to move fast while maintaining control.

Part of the broader Trusys stack

TRU Guard is one piece of a larger AI assurance stack:

  • TRU SCOUT → security testing
  • TRU EVAL → evaluation
  • TRU PULSE → monitoring
  • TRU GUARD → runtime protection

Together, these cover the full AI lifecycle.

Closing

AI systems are no longer static APIs.
They are interactive, autonomous, and connected to real systems.

That makes runtime guardrails essential.

TRU Guard provides:

  • real-time enforcement
  • centralized policies
  • developer-friendly integration
  • enterprise-grade protection

so teams can deploy AI with confidence.

If you’re running AI in production, guardrails shouldn’t be optional.
They should be part of your runtime.

More updates and technical docs are available in the Trusys documentation portal.

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