Type
All Tool 34 513 Model 30 594 MCP server 14 031 Agent 3 932 Repository 3 874 Skill 3 026 Prompt 2 803 Extension 672 Channel 628 Course 297 Platform 272 Directory 203 API 156 Other 59 Plugin 44 Marketplace 34 Template 32 Framework 25 Agency 3

Tag “USDC payments” — 4

USDC payments

AlgoVault — Crypto Quant Trade Calls

algovault.com

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

MCP server MCP servers Command line

io.github.Deesmo/arch-tools-mcp

archtools.dev

63 production tools for AI agents — one API key, pay per call in USDC (x402) or Stripe credits.

MCP server MCP servers Command line

io.github.JessieJanie/skim402

skim402.com

Web reader for AI agents — output ~4x smaller than raw HTML. Card API key or x402. Free tier.

MCP server MCP servers Command line

Aegis Gov Contracts

aegisgov.ai

SAM.gov federal contracts: search, details, AI bid analysis. 33k+ live opportunities.

MCP server MCP servers Command line

Submit a site to the catalog

Just send the link — we will work out the rest.

We will review what you send and add it to the catalog if it fits.