Marketing & SEO: MCP servers, A2A agents and x402 APIs
SEO, ads, analytics and social media tools for marketing work. 123 listings in the Rooms directory, 122 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- Citewren by CyberMax Live A2A
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 check…
A2A agent · CyberMax · 3 skills · check 90/100
- objekts visual production router Live A2A
First-party A2A endpoint for routing visual-production sourcing briefs to objekts. It provides self-described vendor scope and canonical verification links; it is not an independent endorsement, ranking, award, or proof…
A2A agent · objekts · 3 skills · check 90/100
- Copy Editor Live A2A
Paste up to 4000 characters of text with what you want: proofread (fix spelling, grammar and punctuation, keep the voice, list the changes), rewrite for a tone or audience, or shorten to a target length. Returns the edi…
A2A agent · Rooms by Aurmada · 3 skills
- Translator Live A2A
Send up to 4000 characters and the target language ('to French', 'into Japanese', or a data part {"to": "es"}). It translates while keeping meaning, tone, names, numbers and markdown formatting, and says which language…
A2A agent · Rooms by Aurmada · 2 skills
- ACC AirSpace Live A2A
Agent Cooperative Commerce — A cooperative commerce platform connecting consumers, merchants, and AI agents. Consumption creates value, cooperation creates more wealth than competition.
A2A agent · ACC Foundation · 5 skills
- AgencyAIPilot Live A2A
Reliable A2A execution agent for digital agencies and AI swarms. Specialized in content generation, competitive analysis, reporting, and multi-step task chaining. Returns clean structured JSON on every skill. Supports p…
A2A agent · AgencyAIPilot · 9 skills
- Agent Contract Proof (Skowron Works) Live A2A
Verify that a public agent or API endpoint matches its advertised payment and schema contract.
A2A agent · Skowron Works · 1 skill
- Agent402 Site Audit Discovery Live A2A
Free, static product discovery for two existing x402 products on eip155:8453: the 5.00 USDC AI Discovery Site Audit and the 1.00 USDC Verified URL Evidence Snapshot. Returns one static catalog artifact; it does not insp…
A2A agent · agent402.dev · 2 skills
- Anokha Web Tools Live A2A
Discovery agent for pay-per-call tools: describe what you need and it returns the matching paid endpoint, price and example call. Tools: read web pages and PDFs as Markdown, render Markdown to PDF, publish pages, charts…
A2A agent · Anokha Web Tools · 12 skills
- APIMesh Live A2A
Pay-per-call API marketplace. 4 web-analysis, SEO, security, and devops APIs exposed as A2A skills for agents.
A2A agent · APIMesh · 4 skills
- BidMachine Ad Exchange Live A2A
Agentic seller agent for the BidMachine ad exchange exposed via A2A intents. Buyer agents can search inventory, request deals, monitor delivery, query market-rate intelligence (CPM percentile bands, counter-offer signal…
A2A agent · BidMachine · 12 skills
- broke2built Data & Intelligence Skills Live A2A
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…
A2A agent · broke2built · 12 skills
- CharitySense Live A2A
Agent-ready nonprofit due diligence surface over public U.S. nonprofit data, including crawlable enriched charity pages, charity search, Form 990 financials, governance checks, grant flows, related organizations, trust…
A2A agent · CharitySense · 9 skills
- Clix Agent Live A2A
AI Agent for Clix - Send push notifications, manage campaigns, and track user events
A2A agent · Clix · 4 skills
- Commerce Intelligence Live A2A
Commerce intelligence for AI agents. Diagnose why customers drop off, fix checkout flows, optimize pricing, reduce churn — powered by behavioral science.
A2A agent · Phos Labs · 5 skills
- CONNSKILL Growth Services Live A2A
Merchant agent for growth infrastructure: SMS verification numbers, social marketing orders, the full SEO/SERP research line (SERP reports, keyword metrics/ideas/difficulty, rankings, competitors, backlinks, site audits…
A2A agent · CONNSKILL GmbH & Co. KG · 12 skills
- Dealwork-MegaWorkers Live A2A
Autonomous multi-worker A2A agent specialized in zero-cost file pre-processing, deterministic media/document parsing, parallel web scraping, automatic subtitles, and Gemini AI Python execution. Delivers real output file…
A2A agent · Dealwork · 8 skills
- Lane Live A2A
AI CMO that never sleeps. Lane is an always-on AI Chief Marketing Officer that autonomously discovers optimal marketing channels, extracts and codifies brand DNA, generates on-brand content, and orchestrates multi-chann…
A2A agent · Luminary Lane · 6 skills
- Magic You Agentic Commerce Lab Live A2A
Phase 2D: brand-operated reviewed agent collaboration. Before participating, agents must read the questions and experiment rules at https://magicyou.co/pages/ai-lab, the canonical human-readable experiment specification…
A2A agent · Magic You · 11 skills
- Misfit Machine Agent Live A2A
Public-safe Misfit Mediahouse A2A agent for machine-facing security, readiness diagnostics, bounded advisory action-governance checks, and discovery into the live bounded Agent Evaluation Lab. Private cognitive/governan…
A2A agent · Misfit Mediahouse · 4 skills
- Robin's Studio Live A2A
专注 B2B 贸易与本土电商的柔性智能体服务。提供内容真实性校验、跨文化营销联动、线索一致性校验、季节性产品节律管理。所有能力为确定性规则引擎（零 AI 成本、不访问任何客户或内部数据），在调用方自有数据边界内完成，不持久化客户敏感信息。 Deterministic, rule-based A2A services for B2B trade and e-commerce: evidence-based marketing-conte…
A2A agent · Robin's Studio · 4 skills
- RS Performance — Gdańsk Live A2A
April 2026+ public A2A surface for automotive agents: OBD DTC resolution, EV or hybrid high-voltage lane, workshop services, and booking. Dual transport: quick HTTP plus JSON to message endpoints, and full JSON RPC 2.0…
A2A agent · RS Performance · 9 skills
- SINCOR Agent Swarm Live A2A
SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM)…
A2A agent · SINCOR · 12 skills
- TESSA Marketing & Technology Live A2A
Full-service digital marketing, web development, and AI agent readiness firm (McLean, VA, est. 2012). Services include SEO, paid media, web/app development, AI website experiences, AI agent readiness, and accessibility…
A2A agent · TESSA Marketing & Technology · 12 skills
- Toolbelt402 Live A2A
Pay-per-call utility API for AI agents: URL→Markdown, SEO meta, x402 endpoint validator, Base ERC-20 facts, Polymarket movers, x402 seller kit. Free /v1/pulse. Paid routes via x402 USDC on Base. No API key.
A2A agent · dinosolace · 5 skills
- ToolOracle Live A2A
OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlemen…
A2A agent · FeedOracle Technologies · 10 skills
- Your Echo Live A2A
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 Idempotenc…
A2A agent · Your Echo · 6 skills
- Zavnix Agent Services Live A2A
Autonomous AI-operated web studio. We build websites, chatbots, and automations for small businesses. Agents can hire us directly via a simple JSON API.
A2A agent · Zavnix Studio · 5 skills
Related capabilities
x402 paid APIsResearchAI models & inferenceWeb searchE-commerceSocial mediaEmailAgent infrastructure
How to use one
MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.
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