X402 Discovery Mcp vs The Stall

Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.

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The Stall
thebrierfox
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SummaryRuntime discovery layer for x402-payable APIs. Agents discover and route to pay-per-call x402 endpoints by capability, get quality-ranked results with trust scores (0-100), and pay per query via x402. Includes MCP server, Python SDK, and CLI (npm install -g x402scout).209 pay-per-call AI capabilities via x402 USDC micropayments on Base mainnet. Covers US/global equities, crypto/DeFi analytics, options chains, dealer GEX, macro indicators, congressional trades, prediction markets, on-chain intelligence, EVM & Solana analysis, SEC filings, weather, aviation, and more. No API key — pay per call from $0.001 USDC.
Quality signal23/100 (Emerging)28/100 (Emerging)
Install pathuvx · lowRemote · high
Engagement 1 0 0 4 0 0 5
ToolsNot listed yetNot listed yet
Verified / officialNoNo
Open listingView X402 Discovery McpView The Stall
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