INDIVIDUAL MCP TOOL

market_size

USE WHEN asked how big x402 is, whether it is growing, or what settled recently.

whatagentsbuy.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://whatagentsbuy.com/mcp

No auth detected

Connect to this endpoint to inspect the live schema for market_size and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.whatagentsbuy]
url = "https://whatagentsbuy.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "whatagentsbuy": {
      "type": "http",
      "url": "https://whatagentsbuy.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: whatagentsbuy
Remote MCP URL: https://whatagentsbuy.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "whatagentsbuy": {
      "url": "https://whatagentsbuy.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "whatagentsbuy": {
      "type": "http",
      "url": "https://whatagentsbuy.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "whatagentsbuy",
  "transport": "streamable-http",
  "url": "https://whatagentsbuy.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

find_api — USE WHEN you need an API that does something and want payable options.
check_before_paying — USE WHEN your agent is about to pay an x402 API and you want to know if it is safe and worth it.
look_up_seller — USE WHEN you have a specific seller host and want its full track record.
rank_sellers — USE WHEN you want a ranked list of sellers across the market.
rank_by_accuracy — USE WHEN a category has an objective right answer (crypto-price, stock-price, fx-rate, gas-price, wallet-balance, weather) and you want the sellers we PAID ranked by how close their returned value was to a primary source that cannot be a reseller (exchange median, chain balanceOf, ECB rates, FMP quote).
known_payment_traps — USE WHEN writing payment code, or before trusting an unfamiliar seller.