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LLM Guard Playground

huggingface.co·LLM eval & observability

This interactive playground demonstrates the LLM Guard library by Protect AI. Users can test various scanners and validators on prompts and model outputs to detect and prevent common vulnerabilities such as prompt injection, PII leakage, and toxic content.

FreeWebCLISelf-hosted
LLLM Guard Playground preview
Visit huggingface.co↗

Overview

3 features

In the LLM eval & observability space, LLM Guard Playground takes a focused approach. It focuses on testing and validating defenses against prompt injection, toxicity, and other LLM security risks. It is built as a B2B product for AI developers and security researchers. LLM Guard Playground costs nothing to use. It ships for the web and the command line, and it can be self-hosted.

protectai builds and maintains LLM Guard Playground, and it first shipped in 2024. Among its 3 catalogued features are prompt scanning, response validation, and security testing.

Summary written by a language model from the project’s public pages.

  • ✓Prompt scanning
  • ✓Response validation
  • ✓Security testing
Tags
llm-securityguardrailsprompt-injection
AI capabilities
Text
Inference: Cloud API

Built with & integrations

Hosting
AWS
AI providers
local_oss
Runs on
BrowserCLISelf-hosted
Detected from
AWS
x-amz-cf-id header · x-amz-cf-pop header · via header
local_oss
huggingface in the HTML

Trust & compliance

Verified signals
✓HTTPS✓Free tier

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed31 Jul · 18:21 UTC
    protectai/llm-guard-playground verified against its public source
    Source: PulseGate · Open ↗

Frequently asked questions about LLM Guard Playground

What does LLM Guard Playground do?
LLM Guard Playground focuses on testing and validating defenses against prompt injection, toxicity, and other LLM security risks. It is catalogued under LLM eval & observability on PulseGate.
Who is LLM Guard Playground for?
LLM Guard Playground is a B2B product built for AI developers and security researchers.
Is LLM Guard Playground free?
Yes — LLM Guard Playground is free to use.
What platforms does LLM Guard Playground run on?
LLM Guard Playground runs on the web and the command line. It can also be self-hosted.
Is LLM Guard Playground still maintained?
Unverified. LLM Guard Playground has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to LLM Guard Playground?
Similar projects tracked by PulseGate include WebLLM Playground, Guardrails Arena, and LLM Gateways.WebLLM PlaygroundGuardrails ArenaLLM Gateways
Who develops LLM Guard Playground?
LLM Guard Playground is developed by protectai.
How long has LLM Guard Playground been around?
LLM Guard Playground first shipped in 2024.

At a glance

Platforms
Cli · Web
Languages
English
Built for
AI developers and security researchers
Model
B2B
Solves
Testing and validating defenses against prompt injection, toxicity, and other LLM security risks.

Registered as

Hugging Face Spaces
protectai/llm-guard-playground

Developer

protectai

Live coverage

Identity confidence
Medium · 83.6
Indexed
31 Jul 2026
Lifecycle
Alive
Last seen
31 Jul 2026
Identity audit (13)
Slug
protectai-llm-guard-playground-huggingface-co
Lifecycle state recorded
31 Jul 2026
Verification state
Indexed for public listing
Listing state
Listed: yes
Index status
Included in index
Latest evidence snapshot
31 Jul 2026
Timeline basis
Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from
Derived from the project's own page and URL.
Category from
Assigned by a language model.
Summary from
Written by a language model from public pages.
Languages from
Detected by a language model from page content.
Last updated
3 Aug 2026
Canonical URL
https://huggingface.co/spaces/protectai/llm-guard-playground

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