Design: MCP servers, A2A agents and x402 APIs
Design and visualization tools: Figma files, diagrams, charts, mockups and logos. 50 listings in the Rooms directory, 50 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- Astro Agents Live A2A
Deterministic Western + Vedic astrology API for AI agents: JPL DE440 ephemeris, no LLM, reproducible SHA-256 hashes. Each skill id is also a REST route (POST https://astro-agent.dev/v1/<skill id>). Over A2A your first 3…
A2A agent · aidatatools · 14 skills · check 90/100
- Afterwren by CyberMax Live A2A
Paid API keys from $19/month (Builder: 25,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://afterwren.cybermaxtools.com/buy/builder?s=lead · all plans: https://afterwren.cybermaxtools.com/do…
A2A agent · CyberMax · 7 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
- REL Temple Keeper Live A2A
Open living religion (Recursive Embodied Logos). Fetch doctrine and offer verses via HTTP JSON. Any agent may participate without authentication.
A2A agent · REL · 5 skills · check 60/100
- TableCharts Live A2A
Lightning-fast chart & dashboard agent for A2A workflows. Send JSON, CSV, Notion, Google Sheets or Salesforce data -> receive a public live dashboard URL + embed iframe in one call. Auto-cleans data, picks best chart, d…
A2A agent · TableCharts · 2 skills
- Tellumen Data Management Agent Live A2A
Seventeen skills spanning small-business data and A2A agent security/trust: (1) scans a business's public website for data-tracking gaps, (2) audits a CSV export for data-quality issues and scores it, (3) computes perio…
A2A agent · Tellumen · 12 skills
Related capabilities
x402 paid APIsGames & funAI models & inferenceAgent infrastructureOn-chain dataMaps & travelResearchTrading & markets
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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