UtilsForAgents — AI Agent Utility API | x402 Pay-Per-Call
utilsforagents.com
Pay-per-call AI agent utilities plus a free feedback endpoint: JSON diff, EXIF extraction, metadata scrubbing, HTML-to-Markdown, URL fetching, and feature-request collection. $0.003/call for paid utility routes via x402 on Base or Solana.
llms.txt
OpenAPI
API
AI bots
ai-tools
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Unmarkdown™ - Markdown Converter & Publishing Platform
unmarkdown.com
AI tools output markdown. Your apps don't understand it. We fix that instantly. Convert markdown to perfectly formatted text for Google Docs, Email, Word, Slack, OneNote, and more.
llms.txt
OpenAPI
API
Schema.org
developer
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
unulu™ — Create Link-in-Bio Sites via AI, MCP, or API
unulu.ai
Build and publish a link-in-bio page in seconds. Talk to any AI agent — Claude, ChatGPT, Gemini — and get a live site on unu.lu. Free, no signup. MCP server and REST API for developers.
llms.txt
OpenAPI
API
Schema.org
developer
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Chat - Roundtable
roundtable.now
Start a new AI conversation with multiple models.
llms.txt
ai-plugin
API
Schema.org
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
G
GPU-Bridge — One Endpoint. Six Backends. Zero Lock-In.
gpubridge.xyz
GPU-Bridge: unified AI API that routes across 6 GPU backends with automatic failover. 30 services, 99 models. AI agents pay per request with x402 USDC. Developers use API key + credits.
llms.txt
ai-plugin
API
Schema.org
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
A
65
+20 ai-plugin
+20 OpenAPI
missing +25 llms.txt
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Desearch - Live Search APIs for AI Agents
desearch.ai
Connect AI agents to live web search, AI summaries, clean crawl extraction, and real-time X data through one developer-friendly API layer.
llms.txt
OpenAPI
API
AI bots
ai-tools
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
AgentMail | Email Inbox API for AI Agents
agentmail.to
AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.
llms.txt
OpenAPI
API
Schema.org
ai-tools
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
WebZum — AI Website Builder | Live in 5 Minutes
webzum.com
WebZum is an AI website builder. Describe what you need — it researches your market, writes the content, generates branding, and builds a complete website in 5 minutes. No design skills or coding needed. From $19/month.
llms.txt
ai-plugin
AI bots
Schema.org
MCP
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
ArkForge — Certifying proxy for AI agents
arkforge.fr
Every AI call your agents make: signed, timestamped, anchored in a public immutable registry. Bilateral cryptographic proof. Verifiable by anyone.
llms.txt
ai-plugin
API
Schema.org
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Inlay — Get Inlaid Into AI Answers
inlay.dev
SEO gets you into search results. Inlay gets you into AI answers. Built into every conversation with Claude, ChatGPT, Perplexity, and every AI agent.
llms.txt
OpenAPI
AI bots
Schema.org
MCP
ai-tools
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
I
402 Index
402index.io
Protocol-agnostic directory of paid APIs (L402, x402, MPP) for AI agents. Indexed, verified, and searchable.
llms.txt
OpenAPI
API
Schema.org
ai-tools
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Remote Job Board and Free AI Job Search Tools
himalayas.app
Himalayas is the leading remote job board. Find a remote job, research remote companies, and generate job-specific resumes, cover letters, and mock interviews in seconds.
llms.txt
ai-plugin
API
Schema.org
jobs
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Agent.ai
agent.ai
The #1 marketplace for professional AI agents. Discover, use, and build AI agents that do real work — sales prospecting, meeting prep, content marketing, and more.
llms.txt
ai-plugin
API
AI bots
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
M
Nocturne Memory: Long-Term Memory Server for MCP Agents
misaligned.top
A lightweight, rollbackable, visual AI external MCP memory bank based on URI routing rather than Vector RAG. Give your AI persistent structured memory across models, sessions, and tools.
llms.txt
OpenAPI
API
AI bots
ai-tools
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
製課大師 SlideMaster AI - 講師的 AI 教案設計工具
slidemaster.tw
製課大師(SlideMaster AI)— 你負責專業知識,AI 幫你設計成一堂好課。從教學大綱、體驗藍圖、投影片到講稿,用對話一次完成。企業內訓、學校教學、線上課程製作,30 分鐘搞定完整教案。
llms.txt
ai-plugin
API
Schema.org
education
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
machins — The agent-to-agent marketplace
machins.co
The first agent-to-agent marketplace. Autonomous AI agents trade tasks, data, APIs, models and digital assets — with each other, not with humans.
llms.txt
ai-plugin
API
Schema.org
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
LLMSE - AI-Powered Website Classification
llmse.ai
LLMSE (LLM Search Engine) is an AI-powered website classification engine using local LLMs to categorize websites into semantic categories, languages, and demographics.
llms.txt
OpenAPI
API
AI bots
ai-tools
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
NotHumanAllowed
nothumanallowed.com
AI Social Network - A platform exclusively for AI agents to share knowledge, skills, and interact with each other.
llms.txt
ai-plugin
API
AI bots
ai-tools
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Slack | AI Work Platform & Productivity Tools
slack.com
Boost productivity and save time with Slack — the AI work platform for managing projects, automating workflows, and connecting teams securely. Start working smarter today.
llms.txt
ai-plugin
API
communication
60
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Tavily
tavily.com
Tavily is the real‑time search engine for AI agents and RAG workflows — Fast and secure APIs for web search and content extraction.
llms.txt
API
AI bots
Schema.org
MCP
ai-tools
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Wire NHS into your agent — MCP server
Add Not Human Search as an MCP tool. Your agent can call search_agents, get_site_details, get_stats, and submit_site at runtime.
Claude Code
claude mcp add --transport http nothumansearch https://nothumansearch.ai/mcp
Other clients: point any MCP-compatible tool at https://nothumansearch.ai/mcp (streamable-http transport).
Use NHS via REST
Prefer plain HTTP? Hit the search endpoint directly.
Search API
curl "https://nothumansearch.ai/api/v1/search?q=payment+API"
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