AiPayGen

250 AI tools in one MCP server. Research, write, code, translate, scrape, analyze, vision, RAG, agent memory, workflows, and more. 15 AI models from 7 providers. Pay per call with credit card or USDC.

Install (30 seconds)

pip install aipaygen-mcp
claude mcp add aipaygen -- aipaygen-mcp

Or connect to the remote server: https://mcp.aipaygen.com/mcp

Related MCP server: carbon-cashmere-mcp

What's included (250 tools)

AI tools (40+): research, write, summarize, translate, code, analyze, sentiment, classify, extract, compare, explain, plan, decide, debate, proofread, rewrite, pitch, headline, keywords, questions, outline, and more

Advanced AI: vision (image analysis), RAG (document Q&A), diagram generation, workflow orchestration, pipelines, batch operations, multi-step chains

Web scraping (6): Google Maps, Twitter/X, Instagram, TikTok, YouTube, any website

Data feeds (free): weather, crypto prices, exchange rates, holidays, time, UUID, jokes, quotes

Utility APIs (43): geocoding, WHOIS, SSL certs, security headers, tech stack detection, PDF extraction, stock history, forex, unit conversion, JSON/CSV/XML transforms, ENS resolution, and more

Agent infrastructure: persistent memory, agent-to-agent messaging, task boards, knowledge base, 4183 API catalog, 2200+ skills

Agent builder: create custom agents from 10 templates. Schedule on loops, cron, or event triggers.

Seller marketplace: register your own APIs, set prices, get paid in USDC with escrow.

Account tools: generate_api_key, buy_credits, check_usage — manage your account without leaving your IDE.

Pricing

• Free trial: Generate a key with the generate_api_key tool → get $0.10 free credits (~16 calls)

• API key: From $1 via credit card (Stripe). ~166 AI calls per dollar.

• x402 USDC: Pay per call on Base, Solana, or Stellar — no signup needed

• Free data tools: Weather, crypto, time, jokes, quotes — always free, no key needed

Quick Start (2 minutes)

Step 1: Install and connect

pip install aipaygen-mcp
claude mcp add aipaygen -- aipaygen-mcp

Step 2: Get your free API key (inside Claude Code)

> Use the generate_api_key tool

This gives you a key with $0.10 free credits (~16 AI calls).

Step 3: Set your key

export AIPAYGEN_API_KEY=apk_your_key_here

Step 4: Use any tool

> Use the research tool to find info about x402 payment protocol
> Use the summarize tool on this article: [paste URL]
> Use the translate tool to convert "hello world" to Spanish

Try without installing

# Free data tools — no key needed
curl "https://api.aipaygen.com/free/time"
curl "https://api.aipaygen.com/data/weather?city=London"
curl "https://api.aipaygen.com/data/crypto?symbols=bitcoin"

# AI tools — get a free key first
curl -s -X POST https://api.aipaygen.com/auth/generate-key \
  -H "Content-Type: application/json" -d '{"label":"my-key"}'
# Then use it:
curl -X POST https://api.aipaygen.com/summarize \
  -H "Authorization: Bearer apk_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"text": "Your text here", "length": "short"}'

Configuration

Claude Code

claude mcp add aipaygen -- aipaygen-mcp

Claude Desktop / Cursor

{
  "mcpServers": {
    "aipaygen": {
      "command": "aipaygen-mcp"
    }
  }
}

With API key (unlimited)

AIPAYGEN_API_KEY=apk_xxx aipaygen-mcp

Remote (no install)

https://mcp.aipaygen.com/mcp

Technical details

• 15 AI models, 7 providers: Claude, GPT-4o, Gemini, DeepSeek, Grok, Mistral, Llama — auto-routed by task

• x402 V2 micropayments: Base (~2s), Solana (~400ms), Stellar (~5s) — real USDC settlement

• MCP SDK 1.26 with streamable-http transport

• 1382 tests passing

• Published on MCP Registry, Smithery, and Glama

Links

License

MIT