Mazza Group — AI APIs (MCP server)

22 AI API endpoints on the x402 protocol (USDC on Base mainnet). 1 free smoke test + 21 pay-per-call. No API key, no account, no signup — built for AI agents.

Remote endpoint (Streamable HTTP)

https://mazzagrp.com/mcp

Works with Claude Desktop, Cursor, and any MCP client supporting Streamable HTTP.

Quick start (raw HTTP, agent-native)

1. GET https://mazzagrp.com/agents.md — full catalog, flow, wallet
2. Free smoke test: POST https://mazzagrp.com/api/demo with {"prompt": "Say hi"} — no payment
3. Paid calls: first POST https://mazzagrp.com/api/<slug> returns 402 with the payment envelope → sign it → retry with PAYMENT-SIGNATURE: <sig> → result

Pricing

Free: /api/demo · $0.10 character · $0.20 recall · $0.60 storyforge · $0.80 design/temporal/puzzles · $1.00 chatbot/longqa/sheets · $1.20 sql/arena · $1.50 autoflow/rag/negotiator/desktop · $1.80 webagent · $2.00 simulation/worldbuilder/mcp-eval · $5.00 consultation · $15.00 automation

Pay to: 0xD98b6969fab0bA4D4BB086fF273ff7ccD284CEe8 (USDC, Base mainnet)

Files

• mcp-server.json — machine-readable server spec (standard MCP registry schema)
• https://mazzagrp.com/.well-known/mcp/server-card.json — server card
• https://mazzagrp.com/openapi.json — full OpenAPI 3.1 spec
• https://mazzagrp.com/llms.txt — agent-readable catalog