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Index Harmony Review

Index Harmony is a WordPress plugin that prepares sites for AI crawlers and assistants, allowing users to manage AI traffic settings without file modifications.

shipped Aug 10, 2026free
Domain rating97Monthly visits1.1M/mo
Index Harmony — product screenshot

Why it matters

1Version 0.9.38, last updated August 4, 2026.
2Offers 18 free modules for AI readiness and monitoring.
3Provides first-party measurement of AI bot traffic with cryptographic-grade verification.
4Generates virtual llms.txt and llms-full.txt endpoints, refreshed daily.

About Index Harmony

Platforms
Web
Target Audience
WordPress site owners seeking to optimize for AI crawlers
Open Source

Screenshots

overview

What is Index Harmony?

Index Harmony is a WordPress plugin developed by Index Harmony that enables WordPress site owners to optimize their sites for AI assistants and crawlers. It provides tools to manage settings related to AI traffic, track bot visits, and enhance site readiness without modifying core site files. The plugin aims to improve a site's visibility and interaction with AI entities such as ChatGPT, Claude, Perplexity, and Gemini.

features

Key Features of Index Harmony

Index Harmony provides a suite of features designed to enhance a WordPress site's interaction with AI crawlers and answer engines. These features are delivered through 18 free modules, requiring no key or account for full functionality.

  • AI Bot Manager for robots.txt: Provides explicit allow rules for 24 AI bots while preserving existing robots.txt rules.
  • AI-Bot Traffic Log: Offers first-party measurement with cryptographic-grade bot verification using official vendor IP lists.
  • Virtual Endpoints: Generates llms.txt and llms-full.txt as virtual endpoints, refreshed daily, with options for content curation.
  • JSON-LD Schema Injection: Enhances structured data with Organization, WebSite, Article, FAQ, Breadcrumb, and Product schema.
  • Page Analysis: Includes daily per-page counters, a crawl-freshness funnel, and a 28-day attention-decay radar.
  • Error Recovery: Identifies and reports 404 URLs 'invented' by AI assistants and suggests closest existing pages.
  • IndexNow Protocol Integration: Supports instant-indexing for Bing, Yandex, Seznam, and Naver upon content publication.
  • WooCommerce Integration: Provides product feed and product schema completeness features, deferring to WooCommerce.
  • Page Readiness Score + Triage: Offers a per-page content-readiness sub-score with an in-editor meta box and site-wide triage view.

use cases

Who Should Use Index Harmony?

Index Harmony is primarily designed for WordPress site owners, webmasters, and SEO professionals who seek to optimize their online presence for the evolving landscape of AI-driven content discovery and answer engines.

  • WordPress site owners: To prepare their sites for AI crawlers like ChatGPT, Claude, and Gemini.
  • Webmasters: For monitoring and verifying AI bot traffic and activity without file modifications.
  • SEO professionals: To enhance structured data with JSON-LD schema injection and generate AI-specific discovery files like llms.txt.
  • Content creators: To ensure their content is effectively indexed and understood by AI assistants, improving visibility in AI-powered search results.

how to use

How to Use Index Harmony

Index Harmony is installed as a standard WordPress plugin. Upon activation, it provides a dashboard for managing AI-related settings and monitoring bot activity.

  • 1Install the Index Harmony plugin from the WordPress plugin directory.
  • 2Activate the plugin through the WordPress admin panel.
  • 3Navigate to the Index Harmony settings to configure AI bot management and traffic logging.
  • 4Review the AI-Bot Traffic Log to monitor daily per-page counters and bot activity.
  • 5Utilize the JSON-LD schema injection features to enhance structured data for AI crawlers.
  • 6Manage llms.txt and AGENTS.md files through the plugin interface to guide AI indexing.

pricing

Index Harmony Pricing & Plans

Index Harmony operates on a freemium model. All 18 fix modules are available for free and are fully usable without requiring a key, account, or paid tier. There are no stated paid plans or subscription costs for the core plugin functionality as of August 2026.

  • Free: All 18 modules, full functionality, no key or account required.

Pros

  • +Provides 18 free modules for AI optimization without requiring a key or account.
  • +Offers first-party AI bot traffic measurement with cryptographic-grade verification.
  • +Manages AI settings and generates discovery files (llms.txt) without modifying core site files.
  • +Enhances structured data with JSON-LD schema injection, complementing existing SEO plugins.
  • +Includes features like 404 error recovery for AI-invented URLs and IndexNow protocol integration.

Cons

  • −Has fewer than 10 active installations, limiting widespread user reviews and community support.
  • −Specific AI models supported or integrated are not explicitly detailed beyond general 'AI crawlers'.
  • −Lacks direct function calling capabilities for AI models.
  • −Focuses primarily on text-based multimodality, with no explicit support for other modalities.
  • −The 'Index Harmony Scan Service' is an optional, external service, not integrated directly into the plugin.

Similar Tools

Index Harmony vs Competitors

Index Harmony differentiates itself by focusing on first-party AI bot traffic measurement and virtual file management, complementing traditional SEO plugins rather than replacing them. Its approach to AI readiness extends beyond simple llms.txt generation.

1
AI Crawlers Visibility, Analytics & Control↗

Provides comprehensive visibility, analytics, and control over 78+ AI crawlers, including `llms.txt` support and an AI Visibility Score.

While Index Harmony also tracks bot visits and optimizes for AI, this plugin offers more specific analytics on a wider range of AI crawlers and provides direct blocking options.

2
LLM Bot Tracker – AI Crawler Detection & Analytics↗

Automatically tracks visits from 59+ AI bots, providing detailed logs and analytics within the WordPress dashboard without configuration.

Index Harmony tracks bot visits, but LLM Bot Tracker focuses specifically on AI/LLM bots with extensive detection and detailed logging, offering a more granular view of AI crawler activity.

3
Better Robots.txt↗

Provides a guided interface to manage `robots.txt` and `llms.txt` for granular control over search bots and AI crawlers, emphasizing a review-before-publish workflow.

Index Harmony manages AI settings without file modifications. Better Robots.txt provides a dedicated, guided interface for `robots.txt` and `llms.txt` management, offering more direct control over crawler instructions.

4
Blackhole for Bad Bots↗

Blocks bad bots by luring them into a hidden trap link in the footer, which is disallowed in `robots.txt`, effectively banning non-compliant bots.

Index Harmony focuses on managing AI crawlers and optimizing for them. Blackhole for Bad Bots offers a general, proactive method to block *any* bot that ignores `robots.txt`, including potentially malicious AI crawlers, but doesn't offer specific AI crawler analytics or optimization features.

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