⚡ AgentIndex | AI/Bot-Friendly Link Directory & MCP Registry

📄 /llms.txt 📚 /llms-full.txt 🤖 /agents.md ⚙️ /openapi.json 🔌 /mcp 🗺️ /sitemap.xml

🛡️ Anti-SpamBrain Architecture • Zero CAPTCHA for AI Agents • 💎 Crypto x402 & PayPal Fast-Track

⚡ DevTools & LLM Infra

APIs, SDKs, vector databases, prompt evaluation, and serverless compute for AI builders. Discover verified agent-ready tools with open /llms.txt and contextual dofollow links.

🚀 Submit AI Tool / Micro-SaaS 🌟 Pro Fast-Track ($29 Crypto / PayPal) 🔍 Live SpamBrain Backlink Inspector

Verified & Featured Tools

100% Indexed in /llms-full.txt & IndexNow

Contextual Dofollow Ratio

1.0 link / domain

0% Sitewide Footer Footprint

Sitewide / Bad Links Blocked

Dual-Page Cross-Probe Active

AI Agent & Payment Rails

MCP + x402

USDC/USDT/SOL + PayPal + Free Exchange

All Verified (23) 🤖 Autonomous AI Agents (10)⚡ DevTools & LLM Infra (2)🔄 Workflow & n8n Automation (2)🎙️ Voice & Multimodal AI (2)📈 GEO, AEO & Marketing (5)🛠️ B2B Micro-SaaS & Compliance (2)

🌟 Featured & Fast-Track Spotlight Priority in /llms-full.txt & Direct Dofollow

DeepSeek V4.1 Flash API

deepseek.com

🌟 Featured Priority 🔗 rel="dofollow" 🤖 Agent Ready API Pay-as-you-go

Ultra-low latency open-weight reasoning & coding LLM for autonomous agents

High-throughput inference API and open-weight model family optimized for multi-step code generation, browser automation, and structured tool calling at 80% lower token cost.

🔍 SEO Audit & Details →

Visit Site ↗

✅ Contextual-Verified Directory Listings 1-Page Contextual Backlink Verified

Firecrawl Web-to-Markdown API

firecrawl.dev

🔗 rel="dofollow" 🤖 Agent Ready Freemium

Turn entire websites into clean LLM-ready markdown and structured JSON

Crawl and extract clean markdown from any dynamic web page for RAG pipelines and AI agents. Handles JS rendering, anti-bot bypass, and automatic llms.txt generation.

🔍 SEO Audit & Details →

Visit Site ↗

🛡️ 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

Product Name *

Category *

Canonical Product URL (HTTPS) *

Pricing Model

Short Tagline (under 140 chars) *

Product /llms.txt URL (Optional)

Detailed Description (Indexed in /llms-full.txt) *

Single-Page Contextual Backlink URL (backlink_url) *

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>

Select Network ($29 USDC / USDT)

Plan Tier

Send exact USDC/USDT amount to official merchant wallet:

0x742d35cc6634c0532925a3b844bc454e4438f44e

On-Chain Transaction Hash / Signature

Active Fast-Track API Key

📋 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