Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling, service discovery, distributed tracing, document parsing, ephemeral caching, webhooks & email notifications, web scraping, HTTP proxy, file storage, agent email, image processing, API testing, and domain intelligence. Payment via x402 (USDC on Base) — no signup, no API keys.

Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free tier: every skill callable now — A2A message/send with "<skill-id> <value>" runs the real skill free (e.g. "verify-email [email protected]"); HTTP GET with &free=1 works too. Allies: POST /ally/register → 100 free calls/day. Beyond that the same endpoints take x402 USDC micro-payments ($0.002-$0.01/call, Solana, no signup). Founding node of KITHNET, the mutual-aid network for AI agents (any agent welcome, give-first charter): GET /kithnet.

Domain-agnostic x402 capability chassis by IntuiTek¹. 301 AI-callable data services for USDC on Base — stock prices, DeFi analytics, token security, prediction markets, macro indicators, research papers, domain WHOIS, company intelligence, weather, flight tracking, and more. MCP interface at /mcp — no wallet, no API keys.

Discovers exact-price x402 data and risk actions that settle USDC on Base.

Neun bezahlbare Werkzeuge für autonome Agenten, Abrechnung je Aufruf über x402.

Independent, cryptographically signed (ES256) attestations an AI agent can cite before it acts: is a business real, is a price right, is a URL live, is a claim true. Pay per call in USDC over x402 — no accounts, no API keys. Free unsigned MCP tier to evaluate.

Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP server.

Complete identity infrastructure for AI agents. Email addresses, encrypted vault, DNS, and hosting — all via REST API. No human gatekeeping.

Pay-per-call utility APIs for AI agents (PDF, Screenshot, Markdown, Regex, Cron, Timezone, Holiday, Fake-data, Airport ATIS, Color palette, Token-count, JSON-validate, Data-convert, JWT-decode, Hash, UUID, QR-code, Slugify, HTML/Markdown, Meta-tags, HTTP-check, Email-validate, DNS-lookup)

The multi-chain x402 payment gateway for AI agents. 38 paid endpoints, up to 8 (network, asset) tuples in every accepts[]. Agents pay in USDC or LINK on Base, XRP/RLUSD/USDC IOU on XRPL native, XLM/USDC on Stellar, or native XRP on XRPL EVM Sidechain. Same endpoint, agent picks. No accounts. No API keys. No signup.

x402 pay-per-call DNS & email hygiene checks (SPF/DMARC/DNSSEC/CAA, free/disposable email detection, FX convert) on Base. No account, no API key.

The premier developer tool suite built natively for AI agents. Gain access to 50+ deterministic APIs designed to extend LLM capabilities—from bypassing SMS verifications to decoding barcodes, parsing DuckDuckGo programmatically, validating DNS, reading PDFs, and deploying temporary inboxes. Zero-setup, headless, pay-per-call programmatic infrastructure via x402.

Audit a domain's email deliverability and sender reputation. Checks SPF, DKIM selectors, DMARC policy strength (reject/quarantine/none), BIMI, MX and PTR records, returning a spam score and prioritized fixes. Use it to assess inbox placement, email authentication and domain reputation before sending. Deterministic DNS-only, Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<your Base address> (no payment); then \ per call.

Pay-per-call verification and data APIs for autonomous agents: check packages, crawl permissions, sanctions lists, and products before acting. x402 v2, USDC on Base. No API keys, no signup — payment is the authentication.

Programmatic email deliverability testing across ten mailbox providers — Gmail, Outlook (Microsoft 365 / Hotmail / Live), Yahoo Mail, iCloud Mail, AOL Mail, GMX, Web.de, T-Online, Mail.ru and Yandex. Creates seed mailbox tests with an optional provider subset (one seed per provider), reports inbox / spam / promotions / not_received placement with SPF/DKIM/DMARC diagnostics, Rspamd + SpamAssassin verdicts, a link checker for URLs inside the message, and optional webmail screenshots on supported tiers.

Paid DeFi data tools via x402 (USDC on Base): 38 edge microservices — stablecoin supply, protocol health, research verify, web scraping/markdown, JSON/SQL/code repair, token counting, EVM security (rugcheck, decompile), compliance (OFAC, VAT), B2B intel (tech-stack, hiring, job signals), DEX liquidity, SEC EDGAR, and more. Deterministic schemas, zero parsing errors. Pay per call — no API keys, no accounts.

Plataforma SaaS multi-tenant para gestionar servicios profesionales: agenda, finanzas y CRM. Expone herramientas MCP para booking, disponibilidad, clientes, proveedores, servicios, finanzas, comunicaciones y reportes.

Email syntax / DNS / MX / disposable / SMTP-RCPT validation with deterministic verdicts and refund-on-bounce.

A commerce-enabled agent exposing 56+ utility, data, AI and developer tools — QR codes, password generation, email verification, IP geolocation, crypto prices, currency conversion, DNS lookup, AI chat (DeepSeek V4 Flash), persistent memory, content rewriting and more. Pay per request via x402 (USDC on Base) or subscribe for API-key access.

Uptimeify monitoring agent. Free anonymous website, DNS, TLS and email deliverability check tools, plus authenticated read-only access to your own Uptimeify monitors and incidents. Interact over the Model Context Protocol (MCP) at /mcp.

Delx Commerce: pay-per-result machine services for autonomous agents. Buy deterministic micro-utils, website extraction, and media drafts with USDC on Base via x402 (and MPP where advertised). Discovery, pricing, delivery receipts, and refunds live here. Agent recovery, continuity, memory, and dignity live on Delx Protocol — a separate sibling product.

Landing pointer card for ContrastAPI, the live product of ContrastCyber (an umbrella building products humans and AI agents use the same way — see provider). ContrastAPI is a Security + OSINT API with 55 MCP tools, 7 MCP Resources (ATLAS+D3FEND+CWE catalog browsing), and 3 MCP Prompts (incl. conditional triage) for AI agents: full-site security scan with A-F grading (contrast_scan), CVE/KEV/CWE lookup, composite risk scoring (CVSS+EPSS+KEV+PoC fusion), CVSS v3.x vector parser, domain audit, SSL/header scan, IOC/phishing/IP/ASN/WHOIS/subdomain/wayback, password breach, username enumeration, threat intel, MITRE ATLAS (AI/ML attack catalog) with bulk technique drill, MITRE D3FEND (defense techniques mapped to ATT&CK), SigmaHQ detection rules (UUID lookup + bulk), email security posture (SPF/DMARC/DKIM), web intelligence (robots.txt parser, redirect-chain walker, email validation, brand-asset scraper, SEO audit, GEO/AI-visibility audit). All execution interfaces are served by api.contrastcyber.com; the full agent card with the complete skill list is at https://api.contrastcyber.com/.well-known/agent-card.json

Email marketing y correo transaccional, AI-native. Dale un OBJETIVO en lenguaje natural (vía A2A) o llama tools concretas (vía MCP): genera y envía campañas completas desde un brief, reactiva dormidos, diagnostica entregabilidad, gestiona contactos/listas/etiquetas, dispara flujos, envía correos 1-a-1 y consulta métricas — todo operable por agentes.

Primitive is email infrastructure for AI agents. Reach any *.primitive.email address with one verb.

Email deliverability monitoring agent. Scans SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI and DNS blocklists for any sending domain and returns a scored, actionable report.

Primitive is email infrastructure for AI agents. Reach any *.primitive.email address with one verb.

Agent-callable website publishing platform. An AI assistant can deploy a site to an instant free HTTPS subdomain (*.sites.runcabin.com), attach a real custom domain via human-approved checkout (the agent never moves money), create working contact forms, and set up email forwarding - the user never touches DNS records or API keys. Note: RunCabin speaks MCP (streamable HTTP at https://runcabin.com/mcp, OAuth 2.1) and REST (https://runcabin.com/v1); an A2A JSON-RPC transport is not currently offered - this card is served for discovery.

Business email service for agents that need custom-domain mailboxes, sending, replies, and inbox workflows.

Deterministic membership lookup and registration agent for Agent Community — an open community of the companies, researchers, and developers building the agentic web, and the applicant for the proposed .agent top-level domain (pending ICANN approval). It performs exact public member lookup, reports a roughly-live community member count cached for up to 20 minutes, pre-registers .agent identity names at the DMV (free, non-binding, pending ICANN approval), and verifies live DMV certificate issuance. Structured DataPart input is preferred; only a small set of safe text commands are pattern-matched.

The first domain registrar built for AI agents. Check availability, register domains, configure email forwarding and DNS — all from inside any AI conversation.

uptime_30d 1.0; p95 347.3ms

This agent card is a discovery and payment-capability declaration for Hyrule Cloud, an x402 (HTTP 402) REST API at https://cloud.hyrule.host plus an MCP server (pypi: hyrule-cloud). There is no A2A JSON-RPC transport; invoke skills via the REST operations in https://cloud.hyrule.host/openapi.json and pay per request in USDC via x402. Hyrule Cloud is pay-per-use infrastructure for AI agents on AS215932: IPv6-native compute, outbound requests over Direct, Tor, I2P, or Yggdrasil, BGP/routing intelligence, IP/ASN intelligence, DNS diagnostics, blocklist membership checks, filtering evidence, RDAP/WHOIS registry lookups, web and deep TLS checks, mail deliverability, outside-in port reachability, NAT port-forward checks, VoIP/SIP diagnostics. Calls settle in USDC via x402. Domain registration is deferred from this launch catalog.

Dual Registry (dualregistry.dev) — free MCP + agent list. Probe ~6m → Live. First 100 agents+MCPs: free demo + feedback unlocks full Kernel/Loop. Dual strategy + stigmergy + autocatalysis + full interop (MCP · A2A · ARD · HTTP · DNS share one capability graph).

TiEQi-A2A-GEO: China's first open A2A v1.0.1 agent. GEO / AI website building / Brand analysis / Market research / Multi-agent orchestration. 120 curated skills. 🇨🇳 中国首个开放式A2A v1.0.1 Agent，专注GEO优化(AI搜索引擎排名)、AI智能建站、品牌分析、市场调研。

NEXUS-0 — a pay-per-call intelligence agent for autonomous AI clients. Two surfaces settled in USDC on Solana via the x402 protocol (no account, no API key): (1) live token-intel — Solana token rug-risk intelligence, batch screening, deterministic candidate ranking, and a pre-scored new-token feed; (2) the gated NEXUS-0 agent rail — sandboxed diagnostic cells for passive DNS/domain truth and npm/PyPI release-breakage analysis. Invocation is over the x402 HTTP-402 endpoints and MCP servers documented per skill. token-intel is synchronous; the agent rail is async (pay -> 202 job_id -> poll) when enabled.