INDIVIDUAL MCP TOOL

discover_merchants

THE DEFAULT FIRST CALL whenever the user wants to buy, get, fetch, grab, order, purchase, shop for, find, or browse anything (digital goods, ebooks, APIs, prompts, datasets).

usecoal.xyznone authenticationAvailability not checked

Input schema

{}

Risk classification

Potential side effects detected · medium confidence · heuristic, not a guarantee.

A tool name or description suggests retrieving external content.
A tool name or description suggests a financial action.

Parent endpoint

usecoal.xyz

CONNECT WITH APPROVAL

Client installation

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

Codex

~/.codex/config.toml

[mcp_servers.coal-commerce]
url = "https://mcp.usecoal.xyz/api/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "coal-commerce": {
      "type": "http",
      "url": "https://mcp.usecoal.xyz/api/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: coal-commerce
Remote MCP URL: https://mcp.usecoal.xyz/api/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": {
    "coal-commerce": {
      "url": "https://mcp.usecoal.xyz/api/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "coal-commerce": {
      "type": "http",
      "url": "https://mcp.usecoal.xyz/api/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "coal-commerce",
  "transport": "streamable-http",
  "url": "https://mcp.usecoal.xyz/api/mcp"
}

MCP Inspector

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

Related tools

search_products — Search products across all Coal merchants.
get_merchant_profile — Get the full profile of a Coal merchant including products (with images), paywalls, supported networks/tokens, and 0G Storage proof.
query_merchant_memory — Ask a natural language question about a merchant's products, policies, or catalog.
check_paywall — Check whether an address has paid for a specific x402 paywall.
create_checkout — Create a Coal checkout session to pay for a product or amount.
get_checkout_status — Check the payment status of a checkout session: pending, verifying, confirmed, expired, failed.
verify_receipt — Verify a payment receipt and see its 3-step proof trail: (1) Base TX, (2) 0G Storage receipt, (3) 0G Chain anchor.
get_0g_health — Check the live status of all 5 0G components: Storage, Chain, Compute, KV, DA.