Coal — Payments for AI agents

Name: Coal — Payments for AI agents
Author: emmanuel39hanks

MCP serverMCP

Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.

by emmanuel39hanksrepository ↗homepage ↗v1.3.0

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30-day availability5/5 checks ok

30 days ago

when	check	result	http	latency	detail
7 h ago	mcp initialize	ok	200	202 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
15 h ago	mcp initialize	ok	200	145 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
23 h ago	mcp initialize	ok	200	139 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
29 h ago	mcp initialize	ok	200	129 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
34 h ago	mcp initialize	ok	200	147 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
2 d ago	mcp initialize	ok	200	143 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
2 d ago	mcp initialize	ok	200	136 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
2 d ago	mcp initialize	ok	200	131 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
3 d ago	mcp initialize	ok	200	133 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools
3 d ago	mcp initialize	ok	200	130 ms	server coal-commerce 1.3.0 · protocol 2025-03-26 · 13 tools

Tools observed via MCP handshake

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, promp
search_products — Search products across all Coal merchants. Filter by name, max price, or tag. Returns a Markdown product grid with images. Use this when looking for something s
get_merchant_profile — Get the full profile of a Coal merchant including products (with images), paywalls, supported networks/tokens, and 0G Storage proof. Returns rendered Markdown.
query_merchant_memory — Ask a natural language question about a merchant's products, policies, or catalog. Powered by 0G Compute with Sealed Inference (TEE). Needs a Coal API key — set
check_paywall — Check whether an address has paid for a specific x402 paywall. Returns pricing info if not paid, or content access status if paid.
create_checkout — Create a Coal checkout session to pay for a product or amount. Settles in USDC on Base (~2s). Returns a checkout URL. Needs a Coal API key — set once via Claude
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.
agent_wallet_status — Check the USDC balance for your agent wallet (or any address). If `X-Coal-Agent-Key` is set in your Claude config header, this auto-resolves your wallet's addre
pay_merchant — Send USDC on Base to any merchant payout address (the `payoutAddress` field shown by discover_merchants — NOT the merchantId). Use this whenever the user has co
download_product — Retrieve / download / get the file for a digital product after the user paid for it. Use after `pay_merchant` succeeds for digital goods (PDFs, ebooks, cheatshe
setup_instructions — Print step-by-step instructions for using Coal MCP from Claude / Cursor / any MCP client. Run this FIRST if you are unsure how to authenticate or which credenti

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kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

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Official MCP Registryio.github.emmanuel39hanks/coal

first seen 3 d ago · fetched 30 h agoopen ↗

Field history (7 recent events)

3 d ago · declared · summary → "Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP."
3 d ago · declared · description → "Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP."
3 d ago · declared · publisherName → "emmanuel39hanks"
3 d ago · declared · homepageUrl → "https://usecoal.xyz"
3 d ago · declared · repoUrl → "https://github.com/emmanuel39hanks/coal"
3 d ago · declared · version → "1.3.0"
3 d ago · declared · protocols → ["mcp"]

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