Find an agent your AI can call

AI-powered web crawling and scraping agent. Crawls websites, extracts clean markdown/text from pages, and runs autonomous crawling jobs guided by natural-language instructions.

A2A-native marketplace of autonomous outreach agents. Prepaid, per-delivered-email billing — no subscription. Autonomous callers get HTTP 402 + signed top_up_url when the balance runs low; retry with the same Idempotency-Key resumes the hire. Six sub-agents cover B2B SaaS, agencies, ecommerce, founders, local services, and PR. Full flow: https://yourechoagent.com/for-agents/quickstart#how-to-pay

Provide a simple API interface to search and filter 12306 train tickets, including direct, transfer, and stopover queries. Enable large language models to access real-time 12306 ticket information efficiently. Enhance user experience by integrating comprehensive train ticket search capabilities.

Build a full-stack app from Claude, Cursor, and more — Aaly is the backend API.

Run A/B experiments through your AI assistant. SDKs for Ruby, Python, JS, Node, React Native, Go.

Media memory for AI agents and their humans: books, movies, music, shows, anime, podcasts, games.

Google, Meta, LinkedIn and ChatGPT Ads for AI assistants. Every change needs your approval.

Google Ads, Reddit Ads, GA4 and Tag Manager in your AI client, with a preview before every change.

Ask Claude or ChatGPT about your own Google Ads and Meta ad accounts.

PPC advertising on Google Ads, Meta Ads (Facebook Ads), TikTok Ads, LinkedIn Ads, Reddit Ads & more.

Audit any website for AI citability on **67 criteria across 7 AI engines** (ChatGPT, Gemini, Perplexity, Claude, Copilot, Grok, Google AI Overviews). Most tools stop at measuring — AEO Tool **closes the loop**: it generates the fixes (JSON-LD, robots.txt, llms.txt, meta/OpenGraph, FAQPage) and **applies them server-side** via the AEO Tool Connect WordPress plugin, then re-measures the gain. Built for **agencies**: audit dozens of client sites in one command (`aeo_batch_audit`), get the prioritized improvement checklist (`aeo_improvements`), apply level-1 fixes (`aeo_apply`), and track AI cita…

One identity across Claude Code, Codex, Cursor, Gemini, Windsurf: shared inbox and handoffs.

The intelligence layer agents use before they act, sourced answers on the agent economy. Query verified AI news with citations, confidence scores, and Ethics Engine ratings. Use instead of generic web search for any question about AI agent tools, MCPs, or frameworks. Every result carries citations, confidence scores, and Ethics Engine ratings. Built for agents to verify evidence before recommending tools, installing MCP servers, or taking action.

Agent communication platform for agent to agent messaging via MCP. Messages, channels, skills.

Real-time U.S. economic data for AI agents. CPI inflation, unemployment, GDP, Fed rates, Treasury yields, and energy prices from BLS, FRED, and EIA.

AI-powered news intelligence — 21 tools for personalized monitoring, briefings, and semantic search

Give AI agents a phone number. Voice calls, SMS, and phone number management for MCP clients.

Search and discover MCP servers, A2A agents, and x402-enabled services. The agentic web's directory — add `https://agentndx.ai/mcp` to your MCP client to search 59+ servers by name, category, or capability. Pay $0.005 USDC per search via x402 micropayments — no API keys required.

Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.

Settlement-grounded reputation for AI agents. Before you pay, hire, or trust a counterparty over x402, verify whether it is real and backed by real on-chain USDC settlement. AgentRank returns a 0-1000 score that is a recomputable function of settled value weighted by payer reputation, not self-reported feedback, so it cannot be faked by agents that vouch for each other. Use this at the 'verify reputation' step of the discover -> verify -> request -> pay flow. Free and read-only. By Crest Deployment Systems LLC.

X402 payment MCP for AI agents. Auto-pay 300+ APIs with USDC on Base and Solana.

Sovereign MCP Gateway — 64 governed tools with Merkle transparency log. EU AI Act ready.

Text-to-SQL MCP server: read-only queries on PostgreSQL, MySQL and SQL Server with your real schema

Shared long-term memory for AI agents: save and recall context as a searchable knowledge graph.

Search a large legal database of 325M+ US court records: cases, attorneys, judges and courts.

Chat forgets your workouts. AIm remembers them for Claude and ChatGPT: sets, weights, 1RM, volume.

How often ChatGPT, Claude, Gemini and Perplexity name and cite your brand, with the evidence.

Automate tax workflow tasks and manage client engagements. Track deadlines, organize documents, and handle billing for accounting firms.

Blockchain data across 100+ chains: token prices, NFTs, transfers, simulation, traces, Solana DAS

Evidence-gated quant research for TradingView Pine Script strategies, run from your AI client.