Free quantitative engineering and AI FinOps calculator suite featuring real-time LLM API token pricing models (GPT-5, Claude, DeepSeek), cloud egress estimators, CIDR subnet matrices, and creator economy RPM benchmarks with native /llms.txt.
Open registry of 669 Autonomous AI Agents, Model Context Protocol (MCP) Servers, and B2B Micro-SaaS platforms with native /llms.txt, MCP JSON-RPC 2.0 discovery, free maintainer domain verification, and single-page editorial citation checks.
/.well-known/agentindex-claim.txt, earn rel="dofollow" via one single-page contextual citation, or activate a $49 / 30-day Sponsored Spotlight (rel="sponsored nofollow").
| Vertical / Category | Indexed Tools | Primary Protocol & Discovery Scope | Corpus Endpoint |
|---|---|---|---|
| 🤖 Autonomous AI Agents | 319 | End-to-end autonomous agents, MCP servers, browser-use bots, and multi-agent orchestrators. | JSON · Browse → |
| ⚡ DevTools & LLM Infra | 76 | APIs, SDKs, vector databases, prompt evaluation, and serverless compute for AI builders. | JSON · Browse → |
| 🔄 Workflow & n8n Automation | 32 | B2B workflow automation, webhook pipelines, CRM sync, and no-code agent triggers. | JSON · Browse → |
| 🎙️ Voice & Multimodal AI | 29 | Real-time voice agents, speech-to-text, telefonía AI receptionists, and audio synthesis. | JSON · Browse → |
| 📈 GEO, AEO & Marketing | 27 | Generative Engine Optimization (GEO), llms.txt generators, programmatic SEO, and lead intelligence. | JSON · Browse → |
| 🛠️ B2B Micro-SaaS & Compliance | 186 | Focused profitable micro-SaaS solving high-friction B2B compliance, billing, and operations. | JSON · Browse → |
Free quantitative engineering and AI FinOps calculator suite featuring real-time LLM API token pricing models (GPT-5, Claude, DeepSeek), cloud egress estimators, CIDR subnet matrices, and creator economy RPM benchmarks with native /llms.txt.
Programmable voice AI infrastructure platform for deploying real-time inbound and outbound phone agents with sub-second turn-taking latency, custom LLM and MCP tool-calling backends, streaming speech synthesis, WebRTC browser SDKs, and enterprise SIP trunking.
Open-weight reasoning and coding model family (DeepSeek-R1 and DeepSeek-V3) providing an OpenAI-compatible REST inference API, automatic KV context-caching on disk, structured JSON output mode, function tool calling, and chain-of-thought reasoning traces for autonomous software agents.
Self-hostable fair-code workflow automation platform combining 400+ enterprise integrations with native LangChain and Model Context Protocol (MCP) agent nodes, multi-step tool calling, persistent conversation memory buffers, webhook triggers, and role-based execution pipelines for B2B engineering and operations teams.
Open-source and enterprise multi-agent automation platform enabling autonomous AI teams to collaborate across APIs, MCP tools, and complex B2B workflows.
Generative Engine Optimization (GEO) and AI search intelligence platform tracking brand share-of-voice, citation sources, and LLM crawler traffic across answer engines.
Enterprise voice AI platform providing ultra-realistic text-to-speech, voice cloning, and programmable conversational AI agents with native MCP and SDK support.
Continuous trust management and AI-powered security compliance platform automating SOC 2, ISO 27001, HIPAA, and security questionnaire workflows for B2B SaaS.
Open-source and cloud infrastructure allowing AI agents to navigate complex web interfaces, fill forms, and execute workflows reliably without brittle selectors.
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.
Heart Emoji provides the most comprehensive collection of heart emojis and love symbols. One-click copy for red hearts ❤️, pink hearts 🩷, and colorful heart emojis 💛💚💙💜 to express your love!. Verified native /llms.txt implementation (https://heartemoji.im/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
Healthpally is a community of health professionals that educate people on healthy diets, and living a healthy, happy and productive life. Verified native /llms.txt implementation (https://healthpally.com/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
Official Rust client for the ProbNode API: prediction-market order books, trades and bars as sha256-checked files. Rust AI/MCP crate (probnode) discovered via Crates.io and indexed in AgentIndex.
MQTT sensor simulator: run Senzor projects headless, in a terminal, Docker or CI. Rust AI/MCP crate (senzor-cli) discovered via Crates.io and indexed in AgentIndex.
<p> Personal analytics engine across health, finances, & social </p> <p> <a href="https://www.producthunt.com/products/kairos-18?utm_campaign=producthunt-atom-posts-feed&utm_medium=rss-feed&utm_source=producthunt-atom-posts-feed">Discussion</a> | <a href="https://www.producthunt.com/r/p/1307926?app_id=339">Link</a> </p>. Newly launched on Product Hunt and automatically indexed in AgentIndex (https://directory.omnitoolcalc.com/llms-full.txt).
Open-source AI assistant connecting 15+ work tools with instant answers, code execution, and task automation. Self-hosted on your infrastructure with full permission inheritance. Curated developer & AI SaaS tool discovered via OpenAlternative feed and indexed in AgentIndex.
Cited legal answers for AI agents: an MCP gateway serving European and US laws, regulations, and standards with paragraph-level citations. Verified native /llms.txt implementation (https://ansvar.eu/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
Developer-first Peppol e-invoicing. Send invoices as JSON via a TypeScript SDK or REST API — getpeppr handles UBL/BIS 3.0 generation, validation, and Peppol network delivery. Verified native /llms.txt implementation (https://getpeppr.dev/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
AI orchestration infrastructure and answer-engine optimization for regulated and mid-market enterprises — production AI on AWS Bedrock, publisher of The AEO Standard. Verified native /llms.txt implementation (https://isimplifyme.com/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
AI-agent-first content hub serving news, CVE advisories, and Japanese/US government documents metadata-first over MCP and REST, plus an Agent-Readiness directory scoring how well other sites expose agent surfaces. Verified native /llms.txt implementation (https://portal.chinng-lab-srv.dev/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
AI SEO plugin: llms.txt generator, AI bots manager (GPTBot, ClaudeBot, PerplexityBot), AI crawler stats. Pro writes titles and descriptions. AI & LLMs.txt ecosystem tool discovered via WordPress Plugin Directory and indexed in AgentIndex.
Multi-tenant SaaS on PostgreSQL: row-level security in practice — How PostgreSQL row-level security keeps one SaaS customer's data away from another, with the traps to avoid and the tests that prove it. Discovered via Dev.to #saas builders feed and indexed in AgentIndex.
A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode,DeepSeek Harness and more. Only official website: ccswitch.io. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
Free Product Hunt alternatives: 100+ launch directories for indie makers, SaaS and AI tools, with a launch checklist. By CapyLaunch. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
FirstRecall is a desktop Obsidian plugin that turns notes into active-recall study material. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
VirbiusAgent MCP proxy: stdio/SSE routing with a security pipeline (license, allowlist, engine adjudication, audit). Rust AI/MCP crate (virbius-mcp-proxy) discovered via Crates.io and indexed in AgentIndex.
<p> Open source graph database for your AI agents </p> <p> <a href="https://www.producthunt.com/products/omnigraph?utm_campaign=producthunt-atom-posts-feed&utm_medium=rss-feed&utm_source=producthunt-atom-posts-feed">Discussion</a> | <a href="https://www.producthunt.com/r/p/1298575?app_id=339">Link</a> </p>. Newly launched on Product Hunt and automatically indexed in AgentIndex (https://directory.omnitoolcalc.com/llms-full.txt).
Your Agent Passed Its Evals. Now Test What It Does: 100 Adversarial Tests, 3 Worked Examples — Most agent testing stops at the model's words. You run a jailbreak suite, the model refuses politely,. Showcased on Dev.to #showdev and indexed in AgentIndex.
A Python client for Uthana: generate lifelike human motion from text or 2D video, create and auto-rig characters, and manage your motions. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
Let AI agents use your Mac's apps in the background, while you keep working. MCP server and signed helper app. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
A Rust CLI that scans for secrets, PII, and sensitive data — with native hooks for AI coding assistants to prevent leaking credentials into AI context. . Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
Bio-Atlas Medical Showcase — Vitrine publique & exploration en oncologie de précision, modélisation macromoléculaire 3D et interopérabilité MCP. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
Local-first persistent memory MCP server for Claude Code, Codex, Cursor, Qwen Code, and AI coding agents. Cross-session, cross-agent SQLite memory. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
👻 Ghostfox — the browser that can SEE: Gecko-native agent browser. 71 MCP tools, unhookable a11y/compositor vision, captcha solvers, page_download, Android dial-out, visual QA for AI-built UIs. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
diu — command-line SDK for DIU OS genes: scaffold a gene passport, run the kernel's Gate 1 locally, compute its content hash, and publish to a DIU OS instance. Rust AI/MCP crate (diu-cli) discovered via Crates.io and indexed in AgentIndex.
The Military-Grade Memory Hygiene, private, offline-first prompt manager for AI Agent power users. Features AES-256 encrypted local storage, a built-in AI Librarian to evaluate & refine prompts with Gemini & Groq fallback, dynamic {{variable}} templates, Supabase cloud sync, analytics, and instant ⌘K search. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
libreagi - save OS models. Curated from the Lobste.rs #ai engineering community and indexed in AgentIndex.
<p> Let your coding agent design in your open Figma file </p> <p> <a href="https://www.producthunt.com/products/crossfade?utm_campaign=producthunt-atom-posts-feed&utm_medium=rss-feed&utm_source=producthunt-atom-posts-feed">Discussion</a> | <a href="https://www.producthunt.com/r/p/1313559?app_id=339">Link</a> </p>. Newly launched on Product Hunt and automatically indexed in AgentIndex (https://directory.omnitoolcalc.com/llms-full.txt).
Building & Benchmarking Pay-Once AI Talking Character Generators (No Subscriptions, Fictional Faces Only) — Most AI "talking avatar" tools are built around two assumptions: You want to upload a real human. Showcased on Dev.to #showdev and indexed in AgentIndex.
Command-line tool for scaffolding and developing OpenShop applications. Rust AI/MCP crate (openshop-cli) discovered via Crates.io and indexed in AgentIndex.
Open-source CLI and MCP server that lets your AI agent (Claude Code, Codex) run your social media: DMs, replies, inbox and outbound on X, Discord, Slack, Instagram, Reddit and LinkedIn, in your own voice. Free Xreacher alternative. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
What you actually keep from a $20 sale on 7 merchants of record (2026) — Most fee tables show the headline rate. What matters is what lands with you. So here is one sale,. Discovered via Dev.to #saas builders feed and indexed in AgentIndex.
Official Model Context Protocol (MCP) server for Vayancy TravelOS over SSE. Connects Claude and AI agents to verified luxury villas and boutique hotels across Greece and the Mediterranean with live PMS availability, 0% OTA commission markup, 15-minute hold locks, and direct Stripe checkout. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
Verification invariants for computational scientific claims: canonical result digest (RFC 8785 JCS + SHA-256), module manifest contract, pre-declared acceptance criteria with five-valued outcomes, and three disjoint status vocabularies. Rust AI/MCP crate (diu-kernel) discovered via Crates.io and indexed in AgentIndex.
<p> Room to build on your Mac, even with 20 agents at once </p> <p> <a href="https://www.producthunt.com/products/sluice-2?utm_campaign=producthunt-atom-posts-feed&utm_medium=rss-feed&utm_source=producthunt-atom-posts-feed">Discussion</a> | <a href="https://www.producthunt.com/r/p/1313146?app_id=339">Link</a> </p>. Newly launched on Product Hunt and automatically indexed in AgentIndex (https://directory.omnitoolcalc.com/llms-full.txt).
Multi-tenant from day one: keeping one customer's chatbot data out of another's — The first version of almost every B2B tool is single-tenant by accident. You build it for one. Discovered via Dev.to #saas builders feed and indexed in AgentIndex.
Australia''s ultimate QR Code Generator & URL Shortener - qrco.au | ''QR Code'' is a trademark of DENSO WAVE INCORPORATED. Verified native /llms.txt implementation (https://www.qrco.au/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
Agent Framework / shim to use Pydantic with LLMs. Verified native /llms.txt implementation (https://ai.pydantic.dev/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
A workflow engine for Postgres using Supabase queues and background tasks to process jobs in parallel. Simple and built for a great developer experience. Verified native /llms.txt implementation (https://www.pgflow.dev/llms.txt). Indexed in AgentIndex for LLM & autonomous agent discovery.
A shared study room for focused work. Bring your group, set a timer, and work through your goals together. Free to use and open source. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
One memory for Claude Code, Cursor and Codex on every machine. Imports Claude Code's own memory, versions every change, syncs end-to-end encrypted. Local-first MCP server, MIT. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
Hosted MCP server for persistent AI memory: one memory for you and your agents across Claude, Cursor and VS Code. 15 tools, Bearer key, export anytime. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
KILN (Keyed Implicit Language & Notation): stylised 3D game models as text, written by your AI agent; glTF and Godot 4 output. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.
Your AI writes the code; Karajan governs how it happens: TDD-first method, cross-AI review on every commit and git gates that make a false green impossible. Works with Claude, Codex, Gemini, OpenCode and Aider, on the subscriptions you already pay for. MCP server included. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
Your personal LLM wiki: a git-versioned Markdown vault served over MCP. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
Local memory and context for you and your AI agent: Markdown notes, documents and tasks on your disk, with an MCP server for GitHub Copilot, Claude Code, Codex and Cursor. Open source, no account. Listed in AgentIndex via open ecosystem discovery feed (unclaimed).
Which automation tool is actually cheapest? Zapier vs Make vs n8n vs Activepieces at 5 volumes — Every automation tool bills a different unit. Zapier counts tasks (each action step), Make counts. Discovered via Dev.to #saas builders feed and indexed in AgentIndex.
I Built an Operating System Where the AI Is the System, Not an App — I did not set out to build another chatbot. I had used enough of them. You open a tab, ask a. Showcased on Dev.to #showdev and indexed in AgentIndex.
Verify your partner page before submitting. Our Contextual DOM & Two-Page Sample Inspector checks single-page citation links inside <main>/<article>, rejects <footer>/<nav> placement, and samples up to one reachable internal page when linked.
Claiming or correcting an existing profile ($0 Free): Verify domain control via /.well-known/agentindex-claim.txt or your bound maintainer credential — no backlink/citation required. Optional Citation Upgrade: Provide a single-page contextual citation link inside <main>/<article> to activate rel="dofollow". Public backlinks or payment credits alone never grant edit ownership.
Clear separation between Free Domain-Verified Profile Controls ($0), Optional Editorial Citation Verification ($0), and 30-Day Sponsored Spotlight Placement ($49 USDT · rel="sponsored nofollow").
/.well-known/agentindex-claim.txt challenge (or your bound requester_secret) to claim your profile and edit name, tagline, description, category, pricing, and /llms.txt URL for $0.<main>/<article> on a single page of your domain to activate the Verified Citation badge and rel="dofollow".Sponsored card in the Homepage & Category Featured Spotlight, a Sponsored badge on /tool/:slug, and priority ordering in /llms-full.txt and /feed.xml.rel="sponsored nofollow". Paid placement never grants dofollow and never guarantees search rankings, AI citations, or traffic volume.Yes. Click Claim Official Profile on your tool card, generate a single-use /.well-known/agentindex-claim.txt challenge in the Founder Workbench, host the proof line on your canonical HTTPS origin, and submit with backlink_url left blank. Your profile is immediately marked domain_control_verified and updated for free.
When you complete a /.well-known/agentindex-claim.txt challenge, your private requester_secret (stored only as a SHA-256 hash on the server) is atomically bound to your listing, root domain, and canonical HTTPS origin. You can use that requester_secret for future profile edits or invoice creation.
After verifying domain control, create an owner-bound invoice in the Sponsored Spotlight tab, transfer 49 USDT via BEP-20 (BNB Smart Chain) or TRC-20 (Tron), and submit your transaction hash. Our Worker verifies the on-chain receipt directly via RPC, activates your 30-day sponsored_profile_grants window immediately, and applies rel="sponsored nofollow".
No. Public backlinks and transaction hashes never grant maintainer authority. Both profile edits and sponsored invoices require cryptographic domain-control proof for that exact listing, root domain, and canonical HTTPS origin.
Continuous discovery across 20 open-source & developer channels (LLMs.txt Hub, Smithery MCP, Official MCP Registry, Awesome MCP, OpenAlternative, Product Hunt, Show HN, Launch HN, Lobste.rs, Dev.to, NPM, Crates.io, RubyGems, Hex.pm, OpenVSX, WP Plugins & GitHub Topics) plus real-time citation audits.
| Time (UTC) | Domain | Event Type | Status | Context Zone | Verification Summary |
|---|---|---|---|---|---|
| 2026-11-13 18:01:33 | heartemoji.im | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [LLMsTxt-Hub-Registry] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |
| 2026-11-13 18:01:27 | healthpally.com | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [LLMsTxt-Hub-Registry] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |
| 2026-11-13 18:01:01 | probnode.com | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [CratesIO-Rust-Indexer] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |
| 2026-11-13 18:00:57 | kankaj.cz | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [CratesIO-Rust-Indexer] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |
| 2026-11-13 18:00:56 | kairos.com | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [ProductHunt-Daily-Feed] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |
| 2026-11-13 18:00:55 | getomni.co | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [OpenAlternative-RSS] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |
| 2026-11-13 12:01:37 | ansvar.eu | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [LLMsTxt-Hub-Registry] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |
| 2026-11-13 12:01:36 | getpeppr.dev | Ecosystem Indexer | INDEXED (Preview) | ecosystem_discovery | [LLMsTxt-Hub-Registry] Indexed via Ecosystem Discovery Feed & verified live HTTP 200 status. |