Best Alternatives to NFT Floor Price & Rarity API

Vision, web and data tools paid per call in USDC on Base via x402. No account, no API key.

Pay-per-fetch via x402. Agent pays 0.005 USDC, gets clean markdown for any URL. No API keys.

Alpha Vantage Mcp

Runtime: npx

MCP server providing real-time and historical stock, crypto, options, ETF, and earnings data via Alpha Vantage API.

Pay-per-call Swiss retail price intelligence (22 retailers). $0.01 USDC via x402.

Mcp

Runtime: npx

Apideck Unified API MCP — 229 tools across 200+ SaaS connectors (accounting, HRIS, file storage).

Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.

Alpaca Mcp

Runtime: npx

MCP server for Alpaca API to manage stock/crypto portfolios, place various order types, and access market data.

Plugin

Runtime: Remote (SSE)

Circulara Observe MCP plugin - meters your AI agents' token spend and carbon, free tier.

11 pay-per-call web tools for AI agents, auto-paid in USDC on Base via x402. No API keys.

Provide your AI coding tools with token-efficient access to up-to-date technical documentation for…

Rug Check Mcp

Runtime: npx

Analyzes Solana meme tokens to identify potential risks and audit status using Solsniffer data.

Shopify CRO platform via MCP: 100+ tools for analytics, experiments, authoring, proven lift.