Best AI Disclosure Plugins for WordPress: An Honest Comparison

If you’re looking for a WordPress plugin to help with EU AI Act Article 50 compliance, this comparison reviews the top options honestly — including their strengths, limitations, and ideal use cases. For the regulatory background, see our Article 50 explainer, and for a step-by-step approach, see our compliance checklist.

Why Use a Plugin?

While you could implement AI disclosure manually (editing templates, adding custom fields, writing your own AI.txt file), a purpose-built plugin offers several advantages:

• Automation — Automatic detection and labeling of AI content
• Consistency — Uniform disclosure labels across all content
• Evidence — Built-in logging and reporting for audit readiness
• Time savings — No need to edit PHP templates or manage text files manually
• Updates — As regulations evolve, plugin updates can keep you current

The Plugins Compared

1. MegaGovern — AI Transparency & Compliance Toolkit

Best for: Sites wanting a complete governance framework, not just a disclosure badge

MegaGovern is built around five integrated pillars: AI Compliance, Transparency, AI Files & Crawlers, Evidence & Reports, and Governance Intelligence. It’s positioned as a comprehensive toolkit rather than a single-feature plugin.

Key features:

• Four-state manual post classification (Free)
• Bulk legacy post declaration (Free)
• Floating badges with branding (Free)
• Automated AI.txt generation (Free)
• 30-day local audit logs (Free)
• AI Smart Scan with sentence-level probability analysis (Pro)
• EXIF & C2PA image scanner (Pro)
• Cryptographically signed PDF audit log export (Pro)
• 365-day cloud audit record sync (Pro)
• Cron-fetched legal notice streams (Pro)
• White-labeling across 20 domains (Agency)
• Multi-site client dashboard management (Agency)
• Governance Score Simulator and dashboard

Unique differentiators: AI.txt/LLMs.txt generation, Governance Score Simulator, cryptographically signed PDF audit logs, agency-tier white-labeling

Plans: Free, Pro, Agency, Enterprise. See current plans

Limitations: Broader feature set may be more than needed for simple badge-only use cases. Pro features like Smart Scan require a paid plan.

Source: megagovern.com

2. Legalithm — EU AI Act Compliance Plugin

Best for: Sites needing multilingual disclosure with image watermarking

Legalithm focuses on Article 50 compliance with practical disclosure tools. It’s free, local, and requires no account.

Key features:

• Four disclosure styles: banner, inline, badge, modal
• Default copy in English, German, Italian, French, Dutch, and Spanish
• Invisible image watermarking that survives re-encoding and resizing
• Per-post AI text labeling using IPTC provenance vocabulary
• AI literacy checklist (Article 4 compliance)
• Shortcode support: [legalithm_ai_act_disclosure]

Unique differentiators: Six-language support, invisible image watermarking, Article 4 AI literacy tracking

Plans: Free

Limitations: No governance dashboard, no audit log export, no multi-site management, no AI.txt/LLMs.txt generation

Source: WordPress.com

3. AIM Transparency

Best for: Sites needing free, lightweight image labeling with provenance metadata

AIM Transparency focuses on labeling AI-generated images with visible badges and machine-readable provenance.

Key features:

• Visible “AI-generated” badge
• IPTC/XMP provenance embedding in image files
• schema.org JSON-LD output
• Chatbot notice shortcode: [aicl_ai_notice]
• No account required, no data leaves your site

Unique differentiators: schema.org JSON-LD structured data, IPTC/XMP provenance in image files

Plans: Free

Limitations: Image-focused, limited text-labeling features, no governance dashboard, no audit logs

Source: WordPress.org

4. Klarvo AI Transparency

Best for: Sites wanting automated AI detection and a readiness score

Klarvo is a free, one-click plugin that detects AI on your site and generates Article 50 disclosures.

Key features:

• Automatic AI detection (finds AI tools even if not in the plugin list)
• AI Act Readiness score with traffic-light indicator
• Auto-generated Article 50 disclosures
• Continuous monitoring
• No account or API key required

Unique differentiators: Automatic AI tool detection, readiness score with traffic light

Plans: Free

Limitations: No image provenance scanning, no audit log export, no multi-site management, no AI.txt/LLMs.txt generation

Source: klarvo.io

5. Clarivo — AI Content Disclosure

Best for: Sites wanting a guided, step-by-step disclosure workflow

Clarivo offers a three-step guided process: Detect → Decide → Label.

Key features:

• One-time media library scan for AI images
• Visible labeling (overlay badge, caption, notice line)
• AI text note per post/page
• Chatbot notice
• No account required

Unique differentiators: Guided Detect → Decide → Label workflow

Plans: Free

Limitations: No governance dashboard, no audit log export, no AI.txt/LLMs.txt generation, no multi-site management

Source: WordPress.org

6. Disclo — EU AI Act Article 50 Disclosure

Best for: Sites needing a simple, hosted disclosure badge with firing logs

Disclo adds a hosted, compliant AI disclosure badge and logs every time the disclosure fires on a visitor’s screen.

Key features:

• Hosted disclosure badge
• Firing logs (exportable as proof for regulators)
• Simple setup

Unique differentiators: Hosted badge with firing logs positioned as regulator evidence

Plans: Not stated (check plugin page)

Limitations: Single feature (badge + logs), no content classification, no image scanning, no governance dashboard

Source: WordPress.com

7. StudioMeyer Transparency Toolkit

Best for: Sites wanting a server-side-only solution with multilingual notice generation

StudioMeyer’s toolkit operates entirely on the server, with no external data transmission.

Key features:

• AI chat notice (visitors know they’re talking to AI)
• Per-post AI marking (visible label + machine-readable mark)
• Multilingual transparency notice generator (German, English, Spanish)
• Server-side only

Unique differentiators: Server-side only operation, multilingual notice generator

Plans: Not stated (check plugin page)

Limitations: No governance dashboard, no audit log export, no AI.txt/LLMs.txt generation, limited language support

Source: WordPress.org

Comparison Summary

Which Plugin Should You Choose?

Choose MegaGovern if:

• You want a complete governance framework, not just a disclosure badge
• You need AI.txt/LLMs.txt generation
• You want audit-ready evidence with signed PDF logs
• You manage multiple WordPress sites (agency use case)
• You want a governance score to track readiness

Choose Legalithm if:

• You need multilingual disclosure (6 languages)
• You want invisible image watermarking
• You need AI literacy tracking (Article 4)
• You want a fully free solution

Choose AIM Transparency if:

• Your primary need is labeling AI images
• You want IPTC/XMP provenance and schema.org JSON-LD
• You want a simple, free, lightweight solution

Choose Klarvo if:

• You want automatic AI detection (even for tools not in your plugin list)
• You want a readiness score
• You want a fully free, no-account solution

Choose Clarivo if:

• You want a guided, step-by-step workflow
• You want media library scanning
• You want a fully free solution

Our Take

The WordPress AI disclosure plugin space is evolving rapidly, with multiple free options covering the basics. If you need simple disclosure badges, most free plugins will work. But if you need ongoing governance, evidence preservation, AI crawler policy management, or multi-site agency workflows, MegaGovern’s five-pillar approach offers the most comprehensive toolkit.

The key differentiator is governance vs. disclosure. Most plugins focus on the disclosure moment (putting a badge on content). MegaGovern focuses on the entire lifecycle: declaring, disclosing, verifying, preserving evidence, and monitoring readiness over time.

For help implementing compliance, see our compliance checklist and EU AI Act compliance guide.

Disclaimer: This comparison is based on publicly available information from plugin listings as of August 2026. Features and pricing may change. Always verify current capabilities on the respective plugin pages. This article is not legal advice.