thebrierfox/the-stall

Overview

A collection of 205 pay-per-call MCP tools accessed via x402, requiring no API keys. Covers stocks, crypto/DeFi, macro data, on-chain analytics, weather, government data, and 200+ more. Payment is made in USDC on Base.

Best for

Best for
Developers seeking keyless, per-request access to diverse data through MCP without subscription commitments.

Use cases

• Pull real-time stock or crypto data in an MCP client without API key setup.
• Access on-chain analytics and DeFi metrics per request.
• Query government or weather datasets through a single paid interface.

How to use

Tools exposed

• address-security
• agent-access-check
• agent-kya-score
• ai-image-gen
• vision-analyze
• air-quality
• analyst-ratings
• arxiv-intel
• aviation-weather
• base-season
• block-intel
• breadcrumb-extractor
• btc-game-theory
• btc-miner-econ
• btc-systems-theory
• chain-pulse
• changelog-generate
• chromatic-dispersion
• citation-formatter
• city-lookup

Notes

A collection of 205 pay-per-call MCP tools accessed via x402, requiring no API keys. Covers stocks, crypto/DeFi, macro data, on-chain analytics, weather, government data, and 200+ more. Payment is made in USDC on Base.

7 stars on GitHub. Last updated 2026-08-28. Licensed MIT.

Use cases

• Pull real-time stock or crypto data in an MCP client without API key setup.
• Access on-chain analytics and DeFi metrics per request.
• Query government or weather datasets through a single paid interface.

Pros

• No API keys needed, reducing setup friction.
• Broad coverage of 200+ data sources in one toolset.
• Pay-per-call model charges only for actual usage.

Cons

• Requires USDC on Base, adding a crypto payment dependency.
• Quality and accuracy may vary across the many vendor-sourced tools.
• Per-call costs can accumulate with high-frequency usage.

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.