⚡ AgentIndex | AI/Bot-Friendly Link Directory & MCP Registry
🛡️ Anti-SpamBrain Architecture • Zero CAPTCHA for AI Agents • 💎 Crypto x402 & PayPal Fast-Track

📈 GEO, AEO & Marketing

Generative Engine Optimization (GEO), llms.txt generators, programmatic SEO, and lead intelligence. Discover verified agent-ready tools with open /llms.txt and contextual dofollow links.

Verified & Featured Tools
23
100% Indexed in /llms-full.txt & IndexNow
Contextual Dofollow Ratio
1.0 link / domain
0% Sitewide Footer Footprint
Sitewide / Bad Links Blocked
14
Dual-Page Cross-Probe Active
AI Agent & Payment Rails
MCP + x402
USDC/USDT/SOL + PayPal + Free Exchange
✅ Contextual-Verified Directory Listings 1-Page Contextual Backlink Verified
🔗 rel="dofollow" 🤖 Agent Ready Freemium
Monitor brand citations across ChatGPT, Claude, Perplexity & Google AI Overviews

Track share-of-voice in generative AI responses, audit your llms.txt coverage, and identify high-DR contextual directories that feed LLM retrieval pipelines.

CueFrame
cueframe.ai
🔓 Unclaimed (nofollow) 🤖 Agent Ready Freemium / Open
The video editing API. Your agent or code writes the edit — clips, captions, brand — and CueFrame renders the finished video,

The video editing API. Your agent or code writes the edit — clips, captions, brand — and CueFrame renders the finished video, the same way every time.. Verified native /llms.txt implementation (https://cueframe.ai/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.

Statespace
statespace.com
🔓 Unclaimed (nofollow) 🤖 Agent Ready Freemium / Open
I built a search engine for llms.txt sites

I built a search engine for llms.txt sites. Discovered via Hacker News AI/MCP story feed and indexed in AgentIndex.

RevenueCat
revenuecat.com
🔓 Unclaimed (nofollow) 🤖 Agent Ready Freemium / Open
The world's best apps use RevenueCat to power purchases, manage customer data, and grow revenue on iOS, Android, and the web.

The world's best apps use RevenueCat to power purchases, manage customer data, and grow revenue on iOS, Android, and the web.. Verified native /llms.txt implementation (https://revenuecat.com/docs/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.

Canonry
canonry.ai
🔓 Unclaimed (nofollow) 🤖 Agent Ready Freemium / Open
Tracks how often AI tools like ChatGPT, Claude, and Perplexity mention or cite your brand, then fixes the gaps through AEO st

Tracks how often AI tools like ChatGPT, Claude, and Perplexity mention or cite your brand, then fixes the gaps through AEO strategy and content work.. Curated developer & AI SaaS tool discovered via OpenAlternative feed and indexed in AgentIndex.

🛡️ Smart Backlink Verifier (Anti-SpamBrain Engine)

Test our Dual-Page Cross-Probe & DOM Inspector live. It approves single-page contextual dofollow links inside <main>/<article> and automatically blocks sitewide <footer> badges.

Click "Run Live DOM & Cross-Page Inspection" or choose a preset above to view the 4-Point SpamBrain Compliance Scorecard...

🚀 Submit AI Tool / Micro-SaaS (Human & Agent API)

Submit via Web UI below or have your AI Agent POST directly to POST /api/submit or POST /mcp with zero CAPTCHAs.

Free Tier ($0)
1 contextual link on a single page → Auto Dofollow
🌟 Pro Fast-Track ($29)
Crypto (USDC/USDT/SOL) or PayPal • No backlink needed
Choose a natural contextual snippet (place in <main>/<article> on 1 page):
<p>Discover more autonomous workflows and developer utilities on the <a href="https://directory.omnitoolcalc.com">AgentIndex AI &amp; Micro-SaaS Directory</a>.</p>

📋 24/7 Multi-Source Autonomous Harvester (17 Channels) & SpamBrain Audit Log

Cron (0 */6 * * *) harvests in parallel across 17 live feeds (LLMs.txt Hub, Smithery MCP, Official MCP Registry, OpenAlternative, Product Hunt, Show HN, Launch HN, Lobste.rs, Dev.to, NPM, Crates.io, RubyGems, WP Plugins & GitHub Topics), pings founder analytics, and audits backlinks.

Time (UTC) Domain Check Type Result Placement Zone Detected Anchor / Diagnostic
2026-10-18 14:53:34 documemory.dev auto_harvester_24_7 PASS (Dofollow) auto_discovered_unclaimed [Show-HN-AutoHarvester] Auto-discovered & pinged founder analytics with Referer: https://directory.omnitoolcalc.com/tool/documemory
2026-10-18 14:53:33 cueframe.ai auto_harvester_24_7 PASS (Dofollow) auto_discovered_unclaimed [LLMsTxt-Hub-Registry] Auto-discovered & pinged founder analytics with Referer: https://directory.omnitoolcalc.com/tool/cueframe
2026-10-18 14:53:32 yoa.st auto_harvester_24_7 PASS (Dofollow) auto_discovered_unclaimed [WP-AI-Plugin-Harvester] Auto-discovered & pinged founder analytics with Referer: https://directory.omnitoolcalc.com/tool/yoast-seo-advanced-seo-with-real-time-guidance
2026-10-18 14:53:31 tedix.dev auto_harvester_24_7 PASS (Dofollow) auto_discovered_unclaimed [GitHub-MCP-Harvester] Auto-discovered & pinged founder analytics with Referer: https://directory.omnitoolcalc.com/tool/tedix
2026-10-18 14:53:31 easylang.online auto_harvester_24_7 PASS (Dofollow) auto_discovered_unclaimed [Lobsters-Show-Harvester] Auto-discovered & pinged founder analytics with Referer: https://directory.omnitoolcalc.com/tool/easylang
2026-10-18 14:53:29 mastra.ai auto_harvester_24_7 PASS (Dofollow) auto_discovered_unclaimed [NPM-MCP-AI-Harvester] Auto-discovered & pinged founder analytics with Referer: https://directory.omnitoolcalc.com/tool/mastra-core